| HS Code | 245874 |
| Appearance | white milky liquid |
| Solid Content Percent | 55.0 |
| Viscosity Mpa S At 25c | 1500 |
| Ph | 5.0 |
| Glass Transition Temperature C | -5 |
| Minimum Film Forming Temperature C | 0 |
| Particle Size Um | 1.0 |
| Density G Per Cm3 At 25c | 1.06 |
| Surface Tension Mn Per M | 38 |
| Residual Vinyl Acetate Percent | <0.1 |
As an accredited SUMIMKAFLEX S-483HQ VAE Emulsion factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | SUMIMKAFLEX S-483HQ VAE Emulsion is supplied in sealed 200 kg drums or 1,000 kg IBC totes, ensuring safe storage and handling. |
| Container Loading (20′ FCL) | 20′ FCL: VAE emulsion loaded in drums/IBCs, secured upright, with proper segregation and spill containment for safe transport. |
| Shipping | SUMIMKAFLEX S-483HQ is a vinyl acetate-ethylene (VAE) copolymer emulsion typically shipped in drums or IBC totes. Protect from freezing and excessive heat. Keep containers upright, sealed, and ventilated. Generally a non-hazardous aqueous dispersion, but confirm the SDS and local regulations for proper shipping documentation and transport conditions. |
| Storage | Store SUMIMKAFLEX S-483HQ VAE Emulsion in sealed original containers in a cool, dry, well-ventilated area away from direct sunlight and heat. Maintain storage temperature between 5°C and 35°C to prevent coagulation or freezing. Keep containers tightly closed when not in use and avoid contamination. Use within recommended shelf life, typically six months from manufacture. |
| Shelf Life | Store in original sealed container at 5–35°C, protect from freezing; shelf life is 12 months from manufacture date. |
In dry-bond lamination of paper-to-film structures for food-contact articles, SUMIMKAFLEX S-483HQ is compounded at 75–90 wt% of the wet adhesive alongside 10–25 wt% of a hydrogenated rosin ester dispersion (softening point 80–85°C) and trace biocide. The formulated viscosity, typically 1,500–3,000 mPa·s (Brookfield RVT, spindle 4, 20 rpm, 23°C), permits smooth transfer on three-roll reverse gravure stations depositing a dry coat weight of 3–6 g/m². Evaporation is conducted in an IR-heated tunnel at 80–100°C, followed immediately by nip-lamination with corona-treated LDPE or OPP film under a pressure of 3–5 bar. Compliance with FDA 21 CFR 175.105 and Regulation (EC) No 1935/2004 is documented through migration testing with food simulants. A critical process boundary exists: if the web surface temperature exceeds 110°C premature coalescence of the latex particles occurs before adequate wetting of the secondary substrate, reducing green peel strength to below 1.5 N/25 mm as measured by FINAT FTM 1 at 20 min dwell. Finished goods include microwave popcorn bag outer wrappers, cupstock lamination for hot beverages, and dry-food pouch constructions that do not require retort sterilization.
In the manufacturing of interior furniture components requiring frequent short-term water exposure—such as kitchen chair seats and bathroom vanity doors—the adhesive joint must maintain integrity through EN 204/205:2016 durability classes D3 or D4. SUMIMKAFLEX S-483HQ, with its Tg of approximately -15°C and solids content of 55 ± 1%, forms the primary binder in a one-part system where the emulsion constitutes 85–95 wt% of the wet formulation, blended with 5–10 wt% rosin ester tackifier dispersion and 0.2–0.5 wt% of a non-silicone defoamer. On production lines using a double-roller coater with a gap setting of 0.3–0.5 mm, the adhesive is applied at 120–160 g/m² onto one substrate face, then assembled and cold-pressed at 0.5–1.5 MPa for 45–90 min. When gluing beech or maple components with initial moisture content above 12%, the open time collapses to less than 2 min, forcing a reduction in batch size and immediate press loading. Pre-drying of the lumber core to 8–10% moisture under 45°C forced ventilation is mandatory at relative humidity exceeding 60% to prevent cohesive failure in the bondline. Amine-functional additives, including isocyanate hardeners, must be excluded because they elevate pH above 6.0 and trigger destabilization of the vinyl acetate-ethylene colloid. The cured bondline is tested for creep resistance under 7 kg/cm² static load at 50°C for 6 h (EN 14257:2006 procedure). End-product forms comprise finger-jointed edge-glued panels, laminated door stiles, and solid wood bench tops exported under tariff heading 4418.
A systematic comparison of formulation architectures across divergent downstream processes is necessary to define the working envelope of the emulsion as a platform binder.
| Application segment | SUMIMKAFLEX S-483HQ wet level (parts per 100 formulation) | Key co-component | Application tooling | Governing standard / performance threshold |
|---|---|---|---|---|
| D3/D4 wood assembly | 85–95 | Rosin ester dispersion 5–10 | Nip-roller coater; hydraulic cold press | EN 204: dry shear strength ≥10 MPa; D4 wet strength retained ≥4 MPa after 6h boil |
| Paper-film lamination | 75–90 | Hydrogenated rosin ester 10–25 | 3-roll reverse gravure; IR drying tunnel | FDA 21 CFR 175.105; peel force ≥2.5 N/25 mm |
| Nonwoven hygiene construction | ~100 (neat) | Polyether siloxane defoamer 0.1–0.3 | Non-contact spiral spray (Nordson CF-200 type) | OEKO-TEX Standard 100 class I; tensile strength retention >80% after aging |
| Polymer-modified waterproofing slurry | 55–65 per 100 cement (liquid) | P.O.42.5 cement; 0–0.3 mm silica sand | High-shear dissolver (Cowles blade, 800–1200 rpm); notched trowel | EN 14891:2017: crack bridging ability ≥0.75 mm at -20°C |
| Carpet pre-coat & secondary backing | 100 phr emulsion | Ground CaCO₃ 300–450 phr | Knife-over-roll coater; forced-air oven at 120–150°C | ASTM D1335: tuft bind ≥3.5 kg; CRI Green Label Plus TVOC ≤0.5 mg/m³ |
Within the fluid-acquisition-distribution layers of disposable absorbent articles, SUMIMKAFLEX S-483HQ is applied as a neat structural adhesive without dilution, metered through a positive-displacement gear pump to a non-contact spiral spray applicator such as the Nordson Signature® series. The deposition weight is tightly controlled within 5–15 g/m², depending on the substrate combination—typically a spunbond polypropylene nonwoven top sheet and an air-laid cellulose/SAP composite core. Addition of 0.1–0.3 wt% of a high-molecular-weight polyether siloxane defoamer eliminates micro-bubble entrapment in pumping lines, which otherwise causes intermittent spray pattern collapse and bare spots below 3 g/m². Adhesive temperature at the nozzle must remain between 25°C and 30°C; excursions above 35°C initiate surface skinning that increases tip plugging frequency to more than 2 events per 8-hour shift. Production hygiene is governed by OEKO-TEX Standard 100 Annex 4 product class I and ISO 9073-6:2000 for liquid strike-through time, both of which demand demonstrable absence of formaldehyde scavengers and aromatic amines. A specific limitation emerges when ambient spray-booth humidity drops below 30% RH: the rapid skinning rate forces installation of humidity-controlled shrouds or the addition of 2–3 wt% propylene glycol to suppress evaporation. Finished articles—infant diapers, sanitary napkins, and adult incontinence briefs—exhibit peel strength between the nonwoven and core layers of 0.8–1.5 N/50 mm as per WSP 401.1 (INDA/EDANA), balancing secure lamination with reduced rewet propensity.
Thin-bed polymer-cementitious waterproofing slurries formulated with SUMIMKAFLEX S-483HQ are mixed at a liquid-to-powder weight ratio of 0.55–0.65:1, where the powder component consists of P.O.42.5 Portland cement and 0.1–0.3 mm graded silica sand in a 1:1.2–1.5 cement-to-sand proportion. The resulting polymer/cement ratio of 0.10–0.12 (by solid mass) imparts sufficient elastic compliance to pass the crack bridging test of EN 14891:2017 Annex F, sustaining a continuous film across a mechanically widened crack of 0.5 mm at -20°C without rupture in 24-hour cycling. Mixing is executed with a high-speed disperser fitted with a Cowles blade (diameter 120–160 mm) at 800–1,200 rpm for 3–5 min, followed by 2 min deaeration under vacuum to prevent pinholes. Application proceeds in two coats with a notched trowel or rubber squeegee to build a final dry film thickness of 1.5–2.0 mm. On substrates subject to negative water pressure exceeding 0.1 MPa, the system offers insufficient adhesion retention compared to epoxy-modified cementitious coatings, and a separate barrier layer is advised. The cured membrane is integrally compatible with cementitious tile adhesives meeting EN 12004:2017 C2 classification without a primer. Terminal installations encompass shower recesses, laundry room floors, and balcony decks where ceramic tiles are laid over the membrane.
In production of polymer-modified thin-set mortars for large-format porcelain tiles, SUMIMKAFLEX S-483HQ is added directly into the wet admix at 10–15 wt% of the cementitious binder mass, lowering the water-to-cement ratio while increasing the consistency index to 140–160 mm flow (EN 1308 test). The system complies with EN 12004:2017 Clause 5 tensile adhesion requirements: after 28-day standard cure and water immersion, bond strength to a concrete slab must remain above 1.0 MPa. The blending protocol uses a planetary paddle mixer charging the emulsion after the dry blend has wetted out for 30 s; extended mixing beyond 5 min risks shear-induced destabilization due to local temperature increase. Open time, measured by the 20-min skin method of EN 1346, is extended compared to straight cement mortars, and wetting of porcelain tiles with <0.5% water absorption is achieved without the addition of cellulose ether beyond 0.3%. Finished products are bagged as pre-weighed C2TE-classified dry-mortar kits, explicitly excluding combinations with gypsum-based levelling compounds where ettringite formation would degrade the interface.
In tufted carpet manufacturing, pre-coat and secondary backing lamination rely on heavily filled VAE compounds to lock face yarns and permanently bond a polypropylene or recycled PET secondary fabric. SUMIMKAFLEX S-483HQ is formulated at 100 parts wet emulsion with 300–450 phr ground calcium carbonate (D50 ≈ 15 µm), 2–5 phr sodium polyacrylate dispersant, and 0.5–1.0 phr mineral-oil defoamer, yielding a compound viscosity of 5,000–8,000 mPa·s suitable for knife-over-roll coating without penetration of the primary backing. Coated material passes through a multi-zone forced-air oven with residence time 3–5 min at 120–150°C; the exit-film temperature must plateau at 95–105°C to ensure complete coalescence without blistering. Failure to control the moisture dew-point in the oven exhaust—allowed to exceed 80°C only in the final zone—results in surface crusting and latent delamination during post-installation stretch. Tuft-bind strength is verified per ASTM D1335 with a target of ≥3.5 kg loop pull force, and total volatile organic compound emission is capped at ≤0.5 mg/m³ after 24 h as mandated by CRI Green Label Plus program (CA 01350 protocol). The finished carpet rolls are certified under ISO 23997:2007 for delamination resistance, and the adhesive formulation is free from added urea-formaldehyde resins, which would otherwise elevate chamber aldehydes above the 50 µg/m³ threshold during 14-day testing. End-use products span commercial broadloom, modular carpet tile with non-PVC plastisol pre-coat, and entrance matting for high-traffic zones.
In pre-pasted and ready-pasted wallcovering constructions, SUMIMKAFLEX S-483HQ is coated onto a release liner and transferred to the back surface of PVC or nonwoven face stock via a reverse gravure cylinder that meters a wet deposit of 15–25 g/m² (dry add-on 8–13 g/m²). The coating formulation, comprising 90–95 wt% neat emulsion and 5–10 wt% of a hydrophobically modified starch ether, is dried in a suspended arch dryer with air impingement at 80–90°C for 20–30 s to form a non-blocking, water-releasable film. Dwell-time reduction beyond this window causes incomplete skin formation and blocking on the roll during storage at 40°C. Compliance with EN 233:2016 is validated through wet peel adhesion testing after 2 min water soak and tensile strength retention in the machine direction of at least 75%. The final products—paste-the-wall wallcoverings and pre-pasted wallpaper borders—can be re-positioned up to 5 min after water activation without losing initial tack, a property attributable to the controlled re-wetting kinetics of the VAE film.
Electrostatic flocking of short-cut viscose or polyamide fibers onto cotton or blended fabric substrates demands a high-solids, soft-handle binder with rapid ionic coagulation characteristics. SUMIMKAFLEX S-483HQ is thickened with a non-ionic polyurethane associative thickener to a Brookfield viscosity of 3,000–5,000 mPa·s (spindle 5, 10 rpm) and catalyzed with 1.5–2.0 phr ammonium zirconium carbonate crosslinker to improve water-fastness. The adhesive is printed through a rotary screen (mesh 40–60) at a wet thickness of 0.3–0.5 mm, after which flock fibers are embedded under an electrostatic field of 30–60 kV. Curing at 150°C for 3 min activates the carboxylic acid-zirconium bonding, providing wash-fastness that withholds 10 cycles of laundering per ISO 105-E01:2013. Conformity to OEKO-TEX Standard 100 and CPSIA Section 101 for lead and phthalate content is routinely certified through third-party wet chemistry analysis. Because the emulsion carries an anionic charge, the flock bath must maintain a conductivity below 500 µS/cm to prevent particle destabilization during recirculation. End-use textile articles include decorative throw cushions, automotive seat-cover inserts, and flocked apparel emblems applied with a heat-transfer adhesive interlayer.
| Compliance domain | Referenced standard / regulation | Key performance indicator | Application scenario linkage |
|---|---|---|---|
| Wood adhesive durability | EN 204:2016 / EN 14257:2006 | D4 wet shear >4 MPa after boil cycle | D3/D4 wood furniture assembly |
| Indirect food additive – adhesive | FDA 21 CFR 175.105 / EC 1935/2004 | Specific migration limit < 10 mg/dm² | Paper-film dry lamination |
| Absorbent hygiene product safety | OEKO-TEX Standard 100 Annex 4 | Absence of formaldehyde >16 mg/kg | Nonwoven core bonding |
| Liquid-applied waterproofing | EN 14891:2017 | Crack bridging ≥0.75 mm at -20°C | Tile-underlay membrane |
| Cementitious tile adhesive | EN 12004:2017 | Tensile adhesion ≥1.0 MPa after water immersion | C2 polymer-modified mortar |
| Carpet VOC emissions | CRI Green Label Plus (CA 01350) | Total VOCs ≤0.5 mg/m³ at 24 h | Carpet backing |
| Wallcovering peel properties | EN 233:2016 | Wet peel strength retention >75% | Pre-pasted wallpaper |
| Textile wash fastness | ISO 105-E01:2013 | Rating ≥4 after 10 domestic launderings | Flocked decorative textiles |
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SUMIMKAFLEX S-483HQ is a vinyl acetate-ethylene (VAE) copolymer dispersion stabilized with a mixed polyvinyl alcohol/surfactant system, designed for high-speed adhesive coating operations where rapid wet tack development and minimal foaming are non-negotiable. The product is classified under the S-483 series, with the HQ suffix denoting an elevated solids fraction (55.0–57.0% non-volatile content, per ASTM D2369-20) and a reduced median particle size distribution centered at 1.2–1.6 µm as measured by laser diffraction (ISO 13320:2020). Unlike commodity VAE grades that rely on a single protective colloid, S-483HQ employs a bimodal hydrocolloid architecture that shifts the shear-thinning inflection point to ≥ 800 s⁻¹ in a 25 mm diameter Cowles blade configuration, allowing pumpable viscosities at 2 000–4 000 mPa·s (Brookfield RVT, spindle #4, 20 rpm, 23 °C) while resisting mechanical degradation during recirculation through piston pumps commonly installed on slot-die coaters. The emulsion is pre-neutralized to a pH of 4.5–5.5 and contains less than 0.1 wt% residual vinyl acetate monomer, placing it well below the threshold for indoor air emission concerns under ECA-IAQ guidelines. A defining operational differentiator is the minimum film formation temperature (MFFT) of 0 °C (ASTM D2354-10e1), achieved without external coalescing solvents—a property that unlocks cold-weather processing windows not accessible to conventional VAE homopolymer hybrids requiring 3–5% 2,2,4-trimethyl-1,3-pentanediol monoisobutyrate (Texanol) for film integrity at substrate temperatures below 8 °C.
The key departure from generic VAE dispersions lies in the engineered balance between high-solids loading and low-shear rheology. Standard grades with equivalent solids typically exhibit viscosities exceeding 6 000 mPa·s, necessitating dilution prior to transfer, which introduces a drying burden and compromises wet tack on porous substrates. S-483HQ maintains a pour viscosity within the 2 000–4 000 mPa·s envelope by exploiting a controlled degree of branching in the ethylene segments—achieved via a proprietary pressure-swing copolymerization sequence—that reduces hydrodynamic volume without truncating the number-average molecular weight (Mn approximately 8 × 10⁴ g/mol by size-exclusion chromatography against polystyrene standards). In comparative T-peel tests on corona-treated polyethylene (ASTM D1876-08, jaw separation rate 100 mm/min), films cast from S-483HQ at 50 µm dry thickness yield an immediate peel strength of 2.8–3.2 N/cm, versus 1.5–1.9 N/cm for a reference surfactant-stabilized VAE of comparable solids. The difference is attributed to the faster interdiffusion rate at the adhesive/substrate interface, facilitated by a lower glass transition temperature of the ethylene-rich domains (Tg −15 ± 2 °C by modulated DSC, ISO 11357-1:2023). Additionally, the mixed stabilizer package suppresses foam generation during high-turbulence mixing: in a standardized foam test using 200 g of emulsion recirculated through a gear pump at 1 500 rpm for 10 min, density reduction remains below 3%, whereas polyvinyl alcohol-only stabilized dispersions frequently exceed 8%, leading to crater defects on roller-applied films.
The physical properties of SUMIMKAFLEX S-483HQ are summarised in the table below. These values represent lot-release criteria validated across 12 consecutive production campaigns at a 5-ton reactor scale.
| Property | Specification Range | Test Method |
| Solids content | 55.0–57.0% | ASTM D2369-20 (1 g, 105 °C, 3 h) |
| Viscosity | 2 000–4 000 mPa·s | ISO 2555:2018 (Brookfield RVT, spindle #4, 20 rpm, 23 °C) |
| pH | 4.5–5.5 | ISO 976:2021 (combined electrode, 23 °C) |
| MFFT | 0 °C | ASTM D2354-10e1 (gradient bar, dry film) |
| Particle size (d50) | 1.2–1.6 µm | ISO 13320:2020 (Malvern Mastersizer 3000) |
| Density at 23 °C | 1.06–1.08 g/cm³ | ISO 2811-1:2023 (pycnometer) |
| Residual vinyl acetate monomer | ≤ 0.1 wt% | GC headspace, internal standard method |
| Congealing point | −2 °C | ISO 935:2000 (rotational rheometer, cooling ramp 1 K/min) |
When formulating pressure-sensitive adhesives (PSAs) for label stock, the solids content of the VAE emulsion directly governs the coat weight variability and oven duty cycle. At 56% nominal solids, the water load per 100 kg of dry adhesive is 78.6 kg, compared to 100 kg for a 50% solids grade. This reduction translates to a 21.4% decrease in evaporation demand in the drying tunnel, allowing line-speed increases from 180 m/min to 220 m/min on a typical 5-zone floatation dryer (supply air temperature 140 °C, exhaust relative humidity 15%) before the residual moisture exceeds 0.5% as measured by Karl Fischer titration on the coated paper. The economic leverage is maximized when the adhesive is compounded with 30–40 phr of a rosin ester tackifier dispersion (softening point 85 °C, acid number 8 mg KOH/g), as the high initial solids permit the formulator to absorb the tackifier while maintaining a total solids above 60%, avoiding the viscosity penalty that would otherwise necessitate post-addition letdown. Field data from a 3-roll reverse gravure coater operating at 800 mm web width indicate that a switch from a 53% solids VAE to S-483HQ reduced the specific energy consumption from 1.8 kWh/kg of finished product to 1.45 kWh/kg over a 72 h continuous run, without altering the coat weight target of 22 ± 0.5 g/m².
A critical processing boundary emerges when the emulsion is let down with hard water (total hardness ≥ 300 mg/L CaCO₃). Calcium ions compete with the aluminium chloride species occasionally present in acidic waste streams, triggering microflocculation at the particle surface that manifests as a graininess detectable on Hegman gauge readings above 4 H. Deionized water with conductivity ≤ 10 µS/cm is mandatory for viscosity adjustment, and dropping the pH below 4.0 through acid addition during clean-up can cause irreversible sediment within 30 min.
Cold-weather laminating of paperboard to metallised polyester for frozen food packaging imposes a substrate temperature floor of +2 °C in unheated warehouses. VAE emulsions with an MFFT above 5 °C produce discontinuous, powdery films under these conditions unless a coalescent such as butyl carbitol acetate is added at 2–4 wt% on binder solids, which later migrates to the packaging headspace and can exceed the sensory threshold of 0.5 µg/L in indirect food contact organoleptic panels. S-483HQ, with its documented MFFT of 0 °C, yields a continuous, crack-free film at 2 °C and 60% relative humidity when applied at 6 g/m² dry weight—confirmed by crosshatch adhesion (ISO 2409:2020) and SEM imaging at 500× that shows a uniform coalesced surface free of grain boundary voids. This property eliminates the regulatory complexity associated with volatile organic coalescents in food contact applications governed by EU Regulation 10/2011 and its amendments. The film’s elastic modulus at −20 °C remains below 5 MPa (DMA, 1 Hz, tensile mode), preventing delamination during flex-crack testing of frozen laminate pouches (ASTM F392-93, cycle A, 100 cycles). Published data for this specific configuration is limited, but internal production lot validation confirms less than 5% variation in peel values across 18 batches manufactured in Q1 of the calendar year when ambient temperatures at the application site ranged from 1 °C to 8 °C.
Integration into existing adhesive lines requires attention to wetting on silicone-release liners. The emulsion’s static surface tension of 38–40 mN/m (Du Noüy ring, ISO 304:2023) is marginally higher than solvent-based polyurethane systems; thus, coating onto liners with a release coating thickness below 1.0 µm may require addition of 0.05–0.1 wt% of a siloxane-based superwetter (e.g., polyether-modified trisiloxane) to achieve a dynamic contact angle below 30° on a corona-treated PET film (treatment level 52 dyn/cm). Without the surfactant boost, ribbing instability at speeds above 120 m/min has been documented on a die coater with a gap-to-web ratio of 1:8.
Another essential operational factor is the emulsion’s compatibility with associative thickeners. Standard high-molecular-weight HEC (hydroxyethyl cellulose, MW approximately 1.2 × 10⁶ g/mol) added at 0.3 wt% on total formula weight induces a viscosity peak of 12 000 mPa·s after 4 h of hydration, but S-483HQ’s mixed stabilizer system attenuates the bridging flocculation observed in surfactant-poor VAEs. The equilibrium viscosity drift is limited to +15% over 24 h, versus +40% for a comparable PVOH-only grade. The shear-thinning index (ratio of viscosity at 2 rpm to 20 rpm) is 2.8–3.2, ensuring clean transfer from engraved anilox rolls without misting. Avoid combination with amine-functional silanes (e.g., 3-aminopropyltriethoxysilane) at concentrations exceeding 0.5 wt%, as the resultant alkaline shift (pH > 8.5) accelerates polyvinyl alcohol deacetylation and leads to a rapid, irreversible increase in particle size above 5 µm, visible as grain formation within 2 h of mixing. This is not a characteristic of the emulsion’s intrinsic stability but of the generic incompatibility between acidic VAE latexes and strong amine bases.
SUMIMKAFLEX S-483HQ is manufactured in compliance with the compositional requirements of FDA 21 CFR 175.105 (Adhesives) and 21 CFR 176.170 (Components of paper and paperboard in contact with aqueous and fatty foods). The table below details the principal regulatory claims and their applicable restrictions; formulators must independently verify suitability for specific end-use conditions in accordance with EU 10/2011 migration testing protocol OM2 or OM3 depending on food simulant contact duration.
| Regulation / Standard | Status | Conditions / Limits |
| FDA 21 CFR 175.105 | Suitable | Adhesive must be separated from food by a functional barrier or used in negligible migration scenarios |
| FDA 21 CFR 176.170 | Suitable | For dry food contact; wet/oily food contact requires extraction testing per 21 CFR 176.170(c) |
| EU 10/2011 (as amended) | Compliant for paper/board adhesives | Overall migration limit 10 mg/dm²; specific migration of vinyl acetate monomer ≤ 12 mg/kg food simulant |
| German BfR Recommendation XIV | Conforms | Max. residual monomer 0.1%; free formaldehyde not detectable (detection limit 10 ppm) |
| REACH (EC 1907/2006) | Pre-registered | No substances of very high concern (SVHC) above 0.1% w/w |
| RoHS 3 (2011/65/EU + 2015/863) | Exempt | VAE polymers are not electronic equipment; heavy metals (Pb, Cd, Hg, Cr⁺⁶) < 5 ppm each |
| ASTM D6866-22 (Biobased content) | 18–22% biobased carbon | Measured via AMS; accounts for ethylene and acetic acid moieties of renewable source |
Storage stability is guaranteed for 6 months from the date of production in original, unopened containers kept at 5–30 °C. Freeze/thaw resilience is limited to 2 cycles; exposure to temperatures below −2 °C causes irreversible coagulation due to water crystallization disrupting the colloid layer, and thawed material cannot be re-homogenized with high-shear dispersion. This behavior is inherent to all polymer emulsions of this class and does not represent a product defect. During extended pumping at low shear rate (≤ 50 s⁻¹), a slight sediment of partially hydrolyzed polyvinyl alcohol may form at the bottom of storage tanks; gentle recirculation for 15 min prior to batch drawdown restores homogeneity. The sediment is not a sign of microbiological spoilage, as the emulsion is preserved with a synergistic isothiazolinone/benzisothiazolinone system active at 15–25 ppm total active biocide, verified by plate count method (ISO 21149:2017).
