| HS Code | 741524 |
| Product Name | VINAVIL EVA 015 VAE Emulsion |
| Chemical Type | Vinyl Acetate-Ethylene Copolymer Dispersion |
| Appearance | White milky liquid |
| Solids Content | 55 ± 1% |
| Viscosity Brookfield Rvt 20 Rpm 25 C | 1500 - 3500 mPa·s |
| Ph | 4.5 - 5.5 |
| Density At 20 C | 1.06 g/cm³ |
| Particle Size | 0.5 - 2.0 μm |
| Minimum Film Forming Temperature | Approximately 0°C |
| Glass Transition Temperature | Approximately -20°C |
| Surface Tension | 38 mN/m |
| Film Appearance | Clear and flexible |
| Mechanical Stability | Good |
| Storage Stability | 12 months when stored at 5 - 35°C |
As an accredited VINAVIL EVA 015 VAE Emulsion factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | VINAVIL EVA 015 VAE Emulsion is supplied in 200 kg drums or 1,000 kg IBC containers, ensuring safe handling and storage. |
| Container Loading (20′ FCL) | Load 20′ FCL with VINAVIL EVA 015 VAE Emulsion in drums/IBCs; secure properly, ensure compatibility, ventilation, and safe handling. |
| Shipping | VINAVIL EVA 015 VAE Emulsion ships as a non-hazardous aqueous polymer dispersion in lined drums, IBC totes, or bulk tankers. Protect from freezing and excessive heat; store below 30°C. Ensure secure, upright loading and adequate ventilation. Avoid contamination and leakage, with spill containment available during transit. |
| Storage | Store VINAVIL EVA 015 VAE Emulsion in original, tightly sealed containers in a cool, dry, well-ventilated area away from direct sunlight and heat sources. Maintain storage temperature between 5°C and 35°C; avoid freezing, as this may damage the emulsion. Keep containers upright to prevent leakage and use within shelf life. |
| Shelf Life | Shelf life is 6 months from production when stored at 5–35°C, protected from frost and direct sunlight. |
In lamination of uncoated board to low-density polyethylene or metallised polyester for food-contact carton structures, VINAVIL EVA 015 VAE Emulsion is dosed into a waterborne laminating compound at 35.0–50.0 wt% of wet adhesive; the exact dry-polymer addition is calculated from the solids content stated on the mill certificate, because lot solids may vary between 52.0 wt% and 58.0 wt%. The compound is prepared in a low-shear disperser with a defoamer at 0.2–0.5 wt%, a rheology modifier, and optionally a tackifier dispersion to hold viscosity between 900 mPa·s and 1500 mPa·s measured by ISO 2555 Brookfield RV at 20 rpm and 25 °C. The mixed adhesive is transferred by positive-displacement metering pump to a gravure roller or air-knife coater, applied at 25–40 µm wet film on board, and dried in forced-air ovens with zone temperatures from 70 °C to 90 °C; after drying, the film is activated through a heated nip at 60–80 °C and laminated at line speeds up to 120 m/min. Adhesion is monitored by ASTM D1876 T-peel; converter specifications typically require ≥3.0 N/15 mm or substrate fibre tear. Food-contact compliance must be confirmed under FDA 21 CFR 175.105 for indirect-contact adhesives, Regulation (EC) No 1935/2004 for finished-article safety, and Commission Regulation (EU) No 10/2011 for migration testing where the structure contains a plastic layer. Residual vinyl acetate monomer and nonylphenol ethoxylate declarations are required under EU chemicals legislation. Published data for VINAVIL EVA 015 in frozen-food laminate structures are limited; commissioning validation on the actual heat-seal line is therefore required. Terminal output includes paperboard pizza-box film lamination, folding-carton side-seam bonding, frozen food carton interior lamination, and board-to-film structures for dry food overwrap.
High-filler carpet compounds prepared with VINAVIL EVA 015 VAE Emulsion are built on calcium carbonate filler at filler-to-binder dry ratios of 4.0:1 to 5.5:1, corresponding to 18.0–25.0 dry parts VAE per 100 dry parts filler. This concentration window is narrow because below 18.0 dry parts tuft-bind response falls under the specification of ASTM D1335-17, while above 25.0 dry parts compound viscosity drops enough to create puddle starvation at the doctor blade. The compound is prepared in a high-torque dissolver with anchor sweep; filler is added in staged portions to prevent temperature run-up above 35 °C, and a vacuum deaeration step at −0.80 bar to −0.95 bar removes entrained air before pumping. Production viscosity is held between 5500 mPa·s and 7000 mPa·s by ISO 2555 Brookfield RV, spindle 5, 20 rpm, 25 °C. When filler loading exceeds 72 wt% of the total wet compound, dilatant behaviour under the knife-over-roll applicator makes coat weight sensitive to blade gap; a 0.10 mm gap change can shift lot coat weight by 18–25 g/m², producing edge-to-edge variation. The applied compound is cured in a single-pass air oven at 120–150 °C for 6–12 min, depending on secondary backing mass. Performance specifications are anchored to ASTM D1335-17 tuft bind and ASTM D412-16 tensile elongation of the cured binder film; fire testing follows 16 CFR 1630 or EN 1307 as required for the product class. Terminal products include tufted broadloom, carpet tile, automotive floor mats, and commercial entrance matting.
The high-Tg ethylene-vinyl acetate structure of VINAVIL EVA 015 is selected on nonwoven lines where dimensional stability and wet strength are more important than softness. Addition is expressed as dry binder on dry fibre: 12.0–20.0 pbw for air-laid wipe substrates, 20.0–35.0 pbw for filtration media, and 10.0–15.0 pbw for wet-laid packaging interleaves. The dispersion is applied through air-atomized nozzles at 0.4–0.8 bar or foamed to a density of 20–30 % air by volume, after which the web passes a three-zone oven at 110 °C, 130 °C, and 150 °C. Total oven residence is 18–35 s; exit temperatures above 160 °C produce yellowing and reduce crosslinker performance. Binder distribution is measured by ISO 9073-2 mass per unit area, and tensile response is tested by ISO 9073-4. If a blocked isocyanate crosslinker is used at 0.5–1.5 wt% on binder solids, the dispersion pH is first adjusted above 4.5 because low-pH conditions destabilize blocked isocyanate dispersions. Compliance for non-food industrial grades is supported by REACH raw material declarations; food-contact nonwoven interleave must additionally satisfy Regulation (EC) No 1935/2004 and migration testing under 21 CFR 176.170 or equivalent national food-contact legislation. Terminal output includes industrial wipes, air-laid tabletop products, vacuum cleaner bag filtration, automotive filtration media, and non-food packaging interleaves.
The interior architectural coatings plant runs high-PVC flat and ceiling paints on a high-speed cowles disperser where the pigment grind is prepared at 70–80 % PVC, and VINAVIL EVA 015 VAE Emulsion is let down at 8.0–18.0 wt% of total wet paint. The dispersion is not added during pigment grinding above 45 °C, because high-shear thermal input can create microflocculation and lower scrub response; instead, it is introduced after the millbase has cooled to 25–35 °C under low-shear sweep mixing. The resulting coalescent-free formulation is designed to meet EU Directive 2004/42/EC indoor matt-paint VOC limit values. Wet scrub resistance is measured by ISO 11998 or ASTM D2486, and the result is reported as a class under EN 13300. Production control includes pH adjustment to 8.0–9.0 with sodium hydroxide or ammonia after the dispersion is fully incorporated; addition of amine-based wetting agents before pH adjustment may destabilize the VAE. Finished paint solids range from 55.0 wt% to 65.0 wt%, and the main line bottleneck is foaming from too-aggressive post-add mixing above 500 rpm. Terminal products include interior matt wall paint, ceiling white, decorative low-sheen primer, and alkali-resistant undercoat for gypsum surfaces.
In D3 crosslinked wood adhesives, VINAVIL EVA 015 VAE Emulsion is blended with PVAc homopolymer dispersion at 20.0–60.0 wt% of the total dispersion blend; higher VAE fractions raise elastomeric recovery but reduce initial tack. The adhesive is applied by roll coater or slot extruder to edge-glued panels at 120–180 g/m²; open assembly time is controlled at 8–15 min under 23 °C and 50 %RH. High-shear transfer through positive-displacement pumps above 20 L/min can reduce apparent viscosity by 300–600 mPa·s, causing adhesive to penetrate earlywood vessel openings and leaving surface starved joints. After 24 h quiescent recovery, the measured viscosity must be within ±15 % of the original batch value; drift greater than this indicates damage to the polyvinyl alcohol protective colloid and requires pump impeller or diaphragm replacement. The laminate is cold-pressed at 0.7–1.2 N/mm² for 30–90 min. Durability is classified under EN 204 D3 conditions, and tensile shear strength on beech substrates is measured by EN 205; quality-control panels are conditioned at 23 °C and 50 %RH for 7 days before testing. Terminal products include edge-glued furniture panels, stair treads, interior door frames, and non-structural window scantlings.
For two-component cementitious grouting and thin-bed tile systems, VINAVIL EVA 015 VAE Emulsion is metered into mixing water at 5.0–12.0 wt% of total mortar, equivalent to a polymer solids-to-cement ratio of 0.05–0.10 by weight. The liquid dispersion is not interchangeable with a redispersible polymer powder; its process behaviour includes wet-state pot-life extension and improvement in flexural adhesion after dry curing. The polymer is added to the mixing water before cement powder addition; reverse charging creates lumps that cannot be redispersed in a high-shear paddle mixer at 300–600 rpm. Fresh mortar open time is evaluated under EN 12004-1:2017; adhesion strength after water immersion, heat ageing, and freeze-thaw cycling is measured by EN 1348. Waterproofing slurry film formation is assessed under EN 14891, with film thickness measurements taken after 7 days at 23 °C and 50 %RH. The dispersion must be stored frost-free; a single freeze-thaw cycle at −5 °C can irreversibly separate the emulsion. Terminal products include flexible tile adhesive for ceramic and porcelain tile, balcony waterproofing slurry, cementitious patching compounds, and fine-grout modification for wet-area installations.
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VINAVIL EVA 015 VAE Emulsion is an aqueous copolymer dispersion of vinyl acetate and ethylene. Ethylene is inserted into the polymer backbone during high-pressure emulsion polymerization, reducing the glass transition temperature and increasing main-chain flexibility relative to poly(vinyl acetate) homopolymer. The product is supplied as a solvent-free, water-based dispersion and is positioned for laminating adhesives, nonwoven saturation, paper converting, construction compounds, and mineral-coating formulations. Because commercial release values for solids, pH, viscosity, residual monomer, and film formation are lot-specific, the numerical ranges in this document are class-typical preliminary design bands for medium-solids VAE dispersions and must be replaced with the current VINAVIL technical data sheet and certificate of analysis before plant release. Published third-party data for the exact EVA 015 configuration is limited; batch-controlled pilot trials are therefore required for any critical production tolerance.
The ethylene segment lowers film formation temperature and restricts hydrolysis at the acetate side group. For the EVA 015 class, differential scanning calorimetry under ISO 11357-2 typically reports a midpoint glass transition temperature between -8 °C and 0 °C. The minimum film-forming temperature under ISO 2115 typically falls between 0 °C and 5 °C. This allows coalescent-free film formation at line temperatures above 10 °C when relative humidity remains below 70% and wet-film thickness is below 200 µm. At greater thicknesses the surface skins before water has fully diffused, producing microblisters and reduced adhesion. Films exposed to continuous humidity at 40 °C and 95% RH according to ISO 6270-2 show less blushing than poly(vinyl acetate) homopolymer films of comparable solids. However, VAE is not a crosslinked hydrophobic resin; permanently wet service requires external crosslinking, hydrophobic filler, or an overcoat.
| Parameter | Reference method | Class-typical band | Process consequence |
|---|---|---|---|
| Solids content | ISO 3251 | 50–55% | Drying load and final binder film weight |
| Brookfield viscosity | ISO 2555 | 1,000–5,000 mPa·s | Pump sizing, filter differential pressure, and coater feed stability |
| pH | ISO 976 | 4.0–5.5 | Viscosity stability and contact-surface corrosion control |
| Minimum film-forming temperature | ISO 2115 | 0–5 °C | Minimum application and drying temperature |
| Glass transition temperature | ISO 11357-2 | -8–0 °C | Flexibility, heat resistance, and blocking tendency |
| Density | ISO 2811 | 1.05–1.09 g/cm³ | Mass balance, packaging, and transport classification |
Viscosity is shear-thinning. Batch acceptance under ISO 2555 at 25 °C uses Brookfield RVT viscometer geometry, but transfer piping will display lower apparent viscosity. Stainless steel or high-density polyethylene contact surfaces are acceptable; unlined carbon steel is not suitable because the acidic pH below 5.5 can release iron ions that destabilise anionic stabilizer and discolour the dried film. Batch-to-batch variation in protective colloid concentration is a common source of viscosity drift. When two production lots are unified, the lower-viscosity lot should be added to the higher-viscosity lot under low-shear agitation; a side-entry propeller operating at 50 rpm for 30 min is adequate, while a high-speed disperser with rotor-tip speed above 6 m/s can generate shear-induced coagulum. If ammonia or volatile amines are used for pH correction, the addition must be slow and dilute because carboxylated stabilizer surfaces, when present, swell at higher pH and raise low-shear viscosity sharply. Dilute aqueous ammonia at 5 wt% should be metered while the tank is held at 20–25 °C.
Storage and mechanical transfer often determine whether the binder reaches the coating line as a homogenous dispersion. The material should be stored in closed containers at 5–30 °C. Freezing causes irreversible agglomeration because ice crystals compress the latex particles and rupture the protective colloid layer; one freezing cycle can produce coagulum that blocks a 100 µm in-line strainer. In winter conditions, insulated IBC totes and heated warehousing are required. Transfer by air-diaphragm pump should use an oversized discharge line to keep linear velocity below 2 m/s. A stainless-steel strainer with 100 µm mesh installed downstream of the pump protects metering pumps and coating heads. On roll coaters, fine coagulum often appears as streak defects because destabilised particle agglomerates exceed the wet-film thickness. These defects are frequently misdiagnosed as defoamer incompatibility; the first inspection should be the strainer and pump seals.
Laminating adhesive formulations based on VINAVIL EVA 015 VAE Emulsion are prepared by adding tackifier dispersion, thickener, defoamer, and biocide. The low minimum film-forming temperature reduces the need for coalescing solvents. In coated paper and film lamination, dry adhesive coat weights range from 3 g/m² to 15 g/m². Slot-die application requires Brookfield viscosity below 2,500 mPa·s at application temperature and a vacuum chamber to maintain bead stability. Gravure application tolerates higher viscosity but requires consistent open time; associative polyurethane thickener at 0.1–0.5 wt% adjusts open time without the strong pH sensitivity of alkali-swellable acrylic thickeners. Spray application through air-assisted airless guns at fluid pressure below 80 bar and nozzle diameter 0.3 mm is used on shaped wood and furniture components. Because the dried VAE film is thermoplastic, laminates exposed to temperatures above 60 °C under load may creep; heat resistance is improved with poly(vinyl alcohol) or a blocked isocyanate crosslinker.
In nonwoven saturation, the binder is applied to carded or airlaid webs and dried. Wet add-on levels between 5% and 30% by dry fibre mass are used for wiping cloths, filtration media, and interlinings. Tensile strength and elongation are measured by ISO 9073-3; wet tensile strength retention is tested after immersion in deionized water at 23 °C for 24 h. VAE binders with moderate ethylene content improve dry and wet tensile properties, but the film retains plastic deformation above 45 °C. Drying ovens should be zoned so that the first surface temperature does not exceed 80 °C; high initial air temperature skins the web and traps water. A three-zone air impingement oven with zone temperatures of 80 °C, 120 °C, and 150 °C is adequate for webs up to 80 g/m² at a dwell time of 2 min; heavier webs require reduced line speed or higher exhaust humidity. Residual vinyl acetate monomer must be controlled for food-contact applications under EU 10/2011; converter trials should confirm that the dried film meets migration limits because residual monomer is a function of polymerization and stripping conditions.
Selection of VINAVIL EVA 015 VAE Emulsion over other waterborne binders requires a matrix of film formation, adhesion, moisture resistance, and light stability. Table 2 compares class-typical materials using standard test designations. VINAVIL EVA 015 VAE Emulsion is positioned for applications that require low-temperature coalescence, moderate adhesion to polar and nonpolar surfaces, good water resistance in intermittent wet service, and moderate cost. Vinyl acetate homopolymer dispersions require coalescing solvents and have limited low-temperature flexibility. High-ethylene VAE grades provide sub-zero film formation and low modulus but often show lower shear strength and blocking resistance. Styrene-acrylic dispersions provide better ultraviolet resistance and hardness but generally lower wet tack on cellulosic substrates.
| Binder system | MFFT per ISO 2115 | Cellulosic adhesion per ASTM D903 | Untreated LDPE adhesion per ASTM D3330 | Water resistance per ISO 6270-2 | UV resistance per ISO 4892-3 |
|---|---|---|---|---|---|
| VINAVIL EVA 015 VAE class | 0–5 °C | high on paper and wood | moderate after corona treatment at 38–42 mN/m | good; localised blushing under condensation | fair; yellowing without UV stabilizer |
| Vinyl acetate homopolymer | 15–20 °C; coalescent required | high | low | poor; heavy blushing | fair |
| High-ethylene VAE | <0 °C | moderate | good | very good | fair |
| Styrene-acrylic | 0–20 °C depending monomer ratio | moderate | moderate | very good | very good |
Formulators should avoid direct addition of cationic additives, polyvalent metal salts, and strong amines because these can destabilise the anionic latex. Aluminium sulphate, ferric chloride, and high-surface-area zinc oxide can reduce zeta potential and form grit. In cementitious tile adhesives tested under EN 12004, the emulsion is added after the mineral binder has been wetted with water; direct addition to dry cement can produce an early viscosity spike and loss of open time. The stabilizer package also generates pH-responsive behaviour: at pH 4.0–5.5 the dispersion is stable, and above pH 8.5 the same particles may swell and generate a low-shear viscosity increase. If thickening is required, associative polyurethane thickeners are preferred over high-pH-sensitive alkali-swellable thickeners because the latter can produce a synergistic viscosity rise with the particle stabilizer. The final formulation should be cast or sprayed as a single production lot and inspected for grit before continuous operation.
