| HS Code | 428916 |
| Vinyl Acetate Content | 13 |
| Melt Flow Index 190 C 2 16 Kg G 10 Min | 10 |
| Density G Cm³ | 0.937 |
| Melting Point C | 96 |
| Crystallization Temperature C | 68 |
| Vicat Softening Point C | 72 |
| Tensile Strength Mpa | 15 |
| Elongation At Break | 700 |
| Shore D Hardness | 45 |
| Flexural Modulus Mpa | 80 |
| Tensile Modulus Mpa | 120 |
| Ring Ball Softening Point C | 105 |
As an accredited EVAtech EVA 130S/10 Ethylene Vinyl Acetate Copolymer factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | EVAtech EVA 130S/10 Ethylene Vinyl Acetate Copolymer is supplied in 25 kg heat-sealed polyethylene-lined paper bags for safe handling and storage. |
| Container Loading (20′ FCL) | 20′ FCL loading: EVAtech EVA 130S/10 packed in 25kg bags on pallets, shrink-wrapped and secured for safe transport. |
| Shipping | EVAtech EVA 130S/10 ships as solid pellets in moisture-proof bags or bulk containers. Keep dry, avoid direct sunlight, and store below 30°C. Non-hazardous, but use ventilation and dust masks during handling. Standard freight, no special restrictions. Protect from physical damage and humidity. |
| Storage | Store in a cool, dry, well-ventilated area away from direct sunlight, heat, and ignition sources. Keep containers tightly closed to prevent moisture absorption and contamination. Avoid contact with strong oxidizers. Maintain moderate room temperature; no special requirements. Use within recommended shelf life to preserve material properties. |
| Shelf Life | Shelf life is typically 2 years from manufacture when stored unopened in cool, dry conditions. |
Under the constraints of a 3-layer coextruded blown-film line with a 250 mm annular die at a 1.4 mm die gap, EVAtech EVA 130S/10 is processed at 170–200°C melt temperature as the sealant component for flexible packaging structures. The 10 wt% vinyl acetate content reduces heat-seal initiation temperature by approximately 8–12°C relative to an LDPE homopolymer of comparable density, allowing vertical form-fill-seal jaw temperatures of 95–115°C and dwell times of 300–500 ms to achieve seal-strength acceptance windows of 3.0–6.0 N/15 mm tested according to ASTM F88/F88M-21. The sealant layer is run at 100 wt% EVAtech EVA 130S/10 or at 70/30 wt/wt with LDPE 2420F to depress hot tack above 80°C while retaining low sealing temperature. The production process involves coextrusion of a 20–30% sealant layer relative to total film thickness, with blow-up ratio 2.0:1–2.5:1 and frost-line height 6–8 die diameters to stabilize bubble geometry; on cast-film lines, the same grade is extruded through a 0.8 mm slot die onto a chill roll held at 15–25°C. Finished product types include frozen vegetable pouches, liquid stick-pack sachets, lidding films for dairy cups, and medical device header pouches. Compliance for direct food contact is anchored to FDA 21 CFR 177.1350(c) for ethylene-vinyl acetate copolymers and to (EU) No 10/2011 with overall migration below 10 mg/dm²; seal strength and hot tack are quantified using ASTM F88/F88M-21 and ASTM F1921-18, respectively.
Tandem extrusion coating lines configured with a 105 mm/33:1 L/D extruder and a 1200 mm slot die apply EVAtech EVA 130S/10 at 16–24 g/m² to paperboard or aluminium foil at a melt temperature of 270–310°C, measured at the die lip with a short-wave infrared pyrometer. The addition ratio for the coating layer is either 100 wt% EVAtech EVA 130S/10 or a blend of 80/20 wt/wt with LDPE homopolymer; the LDPE fraction reduces draw resonance at line speeds above 200 m/min and increases neck-in stability. Melt temperature above 320°C causes measurable acetic acid evolution from the 10 wt% vinyl acetate monomer, producing die-lip deposits and a loss of adhesion to aluminium foil within 5–8 minutes of continuous operation. The downstream production process uses a 0.5 mm slot die opening, 130–160 mm air gap, and a matte-finished chill roll at 12–18°C to set coating gloss and adhesion. Termination products include gable-top beverage cartons, hot-drink paper cups, aseptic portion packs, and foil insulation facings for building envelopes. Compliance for food-contact board is covered by FDA 21 CFR 176.170(c) for components of paper and paperboard, by FDA 21 CFR 177.1350 for the resin itself, and by (EU) No 10/2011; peel adhesion is evaluated by ASTM D1876-23, and melt-flow stability by ISO 1133-1:2022.
A 44:1 L/D co-rotating twin-screw extruder running EVAtech EVA 130S/10 as the carrier resin for white colour masterbatch shows lower torque at 60 wt% carrier loading than an equivalent 18 wt% vinyl acetate EVA carrier, because the lower VA fraction reduces melt polarity and acetoxy-group association during plastication at 160–200°C. The addition ratio in the masterbatch concentrate is 30–80 wt% EVAtech EVA 130S/10, with the remainder comprising rutile titanium dioxide, processing aids, and antioxidant; the let-down ratio into blown film or injection moulding base resin is 2–5 wt%. Compounding is performed on a 40:1–44:1 L/D twin-screw machine with side-feed of filler, screw speed 400–600 rpm, and underwater pelletising at 20–25°C water temperature to prevent pellet agglomeration. At ambient relative humidity above 60%, pre-drying at 65°C for 2 h is required to prevent pellet skin moisture from creating vacuum voids in the pelletising strand. Finished product types include TiO₂ white masterbatches for grocery sacks, slip and antiblock additive concentrates for blown film, and tint masterbatches for HDPE closures. Regulatory compliance for food-contact finished articles is indirect: the masterbatch must contribute no more than 10 mg/dm² overall migration under (EU) No 10/2011, and any US food-contact application must fall under FDA 21 CFR 177.1350 after let-down; MFR and density of the carrier are measured by ISO 1133-1:2022 and ISO 1183-1, respectively.
Substituting EVAtech EVA 130S/10 for a standard LDPE skin layer at 60–100 wt% of the adhesive layer changes chill-roll release behaviour and enables peel adhesion targets of 0.5–1.5 N/25 mm on stainless steel after 24 h dwell, measured according to ASTM D3330/D3330M-24. The cast film process uses a 75 mm/30:1 L/D extruder with melt temperature 190–220°C, a 0.6 mm slot die, and a polished chill roll maintained at 15–20°C; air-knife pressure is set to 0.2–0.4 bar to prevent air entrapment at the melt-web interface. The addition ratio in the adhesive layer is 60 wt% EVAtech EVA 130S/10 with 40 wt% LLDPE when the film is used on delicate substrates such as anodised aluminium, while 100 wt% EVA is used where a softer conformable layer is required for textured steel. Finished product types include surface protection film for stainless steel sheet, pre-painted aluminium coil, glass panels, and acrylic signage panels. Compliance under REACH (EC) No 1907/2006 is required for general industrial use, while electronics-related applications must comply with RoHS 2011/65/EU; tensile properties of the film are measured by ISO 527-3, and residual adhesion after removal is assessed by a 72 h oven-ageing test at 60°C.
High-shear rotor-stator mixing of EVAtech EVA 130S/10 into 160/220 penetration-grade bitumen is carried out at 160–180°C with rotor tip speed 3,000–5,000 rpm for 40–60 minutes; the addition ratio is 2–6 wt% based on total binder weight, with the polymer phase being introduced after fluxing the bitumen at 140°C to avoid thermal shock. At 4 wt% addition, the softening point measured by ASTM D36 typically rises by 15–25°C from a 45°C base for 160/220 bitumen, and 25°C penetration measured by ASTM D5 decreases from 160 dmm to 90–110 dmm; at 6 wt% addition, viscosity at 135°C measured by ASTM D4402 enters a plateau zone of 1,500–2,500 mPa·s, beyond which additional polymer does not produce linear viscosity gain because dispersed polymer domains remain non-continuous. Published data for EVAtech EVA 130S/10 in this exact PMB configuration is limited, so the upper plateau is process-characteristic rather than grade-specific. The downstream process produces polymer-modified bitumen for torch-applied roofing membranes and for road pavement binders meeting EN 14023; terminal products include elastomeric waterproofing membranes, EVA-modified asphalt sheets, and heavy-duty carriageway binders. Compliance is governed by EN 14023 for PMB specifications and by REACH (EC) No 1907/2006 for bituminous construction articles; oven ageing stability is checked by EN 12607-1 before final binder release.
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Ethylene-vinyl acetate copolymer supplied under the designation EVAtech EVA 130S/10 belongs to the low-vinyl-acetate, high-flow segment of EVA thermoplastic resins. The grade descriptor is interpreted as a nominal vinyl acetate incorporation of 10 wt% and a nominal melt flow rate of 130 g/10 min determined under ISO 1133-1:2022 at 190 °C with a 2.16 kg load. The product is typically supplied as free-flowing pellets for compounding, injection moulding, and hot-melt formulation. Compared with EVA grades containing 18–33 wt% vinyl acetate, the 10 wt% comonomer level limits polar interaction while retaining polyethylene-like stiffness, a comparatively high melt fluidity, and reduced blocking tendency. Representative values for this composition class include a density of 0.925–0.930 g/cm³ under ISO 1183-1:2019, a melting peak of 94–98 °C under ISO 11357-3:2018, and a Vicat softening temperature of 58–64 °C under ISO 306:2022. Because lot-specific values vary with comonomer distribution, catalyst residues, and additive package, the stated data are indicative for an equivalent ethylene-vinyl acetate copolymer with 10 wt% vinyl acetate and 130 g/10 min nominal melt flow rate; they do not replace the certificate of analysis issued for a specific production lot.
| Parameter | Test method | Representative value |
|---|---|---|
| Vinyl acetate content | ISO 8985:2022 or equivalent FTIR calibration | 10 ± 0.8 wt% |
| Melt flow rate, 190 °C/2.16 kg | ISO 1133-1:2022 | 130 g/10 min, nominal |
| Density | ISO 1183-1:2019 | 0.925–0.930 g/cm³ |
| Melting peak | ISO 11357-3:2018 | 94–98 °C |
| Vicat softening temperature, A50 | ISO 306:2022 | 58–64 °C |
| Tensile strength at break, type 1BA, 50 mm/min | ISO 527-2:2012 | 8–12 MPa |
| Elongation at break, type 1BA | ISO 527-2:2012 | 650–800 % |
| Shore D hardness | ISO 868:2003 | 38–42 |
Thermal processing of EVAtech EVA 130S/10 must respect the deacetylation threshold of the ethylene-vinyl acetate backbone. Degradation proceeds through chain scission and acetic acid elimination; the rate accelerates when the melt temperature exceeds 230 °C, and oxidative shear conditions can generate measurable acid release below the static thermogravimetric onset. On production-scale twin-screw compounding equipment with L/D 32:1 segmented screws, a barrel profile of 150/165/175/185/190/190 °C from feed throat to die has been reported for equivalent high-flow EVA grades. The melt temperature measured at the die by an immersion thermocouple should remain below 210 °C, and residence time above 190 °C should not exceed 4–5 min. Acetic acid generation reduces local melt pH and contributes to corrosion of nitrided barrel liners and nitrided screw surfaces. Thermogravimetric analysis under nitrogen at 10 K/min typically shows an onset of mass loss near 260 °C, but this is not a safe processing limit because shear heating and oxygen accelerate degradation before the static onset. Compounding lines should be purged with a low-melt-flow polyethylene before shutdown, and local exhaust ventilation is required to remove acetic acid vapour from the die area.
For hot-melt adhesive manufacture, EVAtech EVA 130S/10 is typically combined with tackifier resins and paraffin or microcrystalline waxes in a high-shear sigma-blade or planetary mixer at jacket temperatures of 150–180 °C. The high melt flow rate allows low application viscosity. In a formulation containing 30 wt% EVA, 40 wt% tackifier, and 30 wt% wax, Brookfield viscosity at 180 °C generally falls between 500 and 1500 mPa·s. Because the vinyl acetate content is only 10 wt%, adhesion to polar substrates such as glass, aluminium, and coated board is lower than that obtained with 28 wt% vinyl acetate grades; quantified T-peel data for EVAtech EVA 130S/10 are limited in the open literature, and formulation-specific peel testing under ASTM D1876 is required before specifying the product for a polar substrate assembly.
In injection moulding, the high melt flow rate can reduce fill pressure in thin-wall tools. Values reported for equivalent 130 g/10 min EVA grades on hydraulic injection machines with 80–120 t clamp force indicate melt temperatures of 190–210 °C, mould temperatures of 20–40 °C, and injection pressures of 50–80 MPa. The low melt strength of a 130 g/10 min resin makes packing pressure and gate geometry important for sink-mark control in thick sections; direct gating into thick sections is preferred over long pin gates. Screw recovery should use a low back pressure of 0.2–0.5 MPa to limit additional shear heating.
Vinyl acetate units disrupt polyethylene crystallinity. At 10 wt% incorporation, the crystalline fraction remains high enough to retain translucency, surface hardness, and free-flowing pellet behaviour; the polymer is neither a flexible encapsulant nor a pressure-sensitive adhesive base. Differential scanning calorimetry under ISO 11357-3:2018 shows a melting peak of 94–98 °C, whereas a 28 wt% vinyl acetate grade typically exhibits a melting peak below 75 °C and significantly lower Shore D hardness. The manufacturing consequence is that EVAtech EVA 130S/10 can be handled in conventional polyethylene pellet-handling equipment, does not block as readily as high-vinyl-acetate grades, and can be blended with low-density polyethylene without phase separation at typical compounding temperatures. Its water vapour transmission rate is closer to polyethylene than to high-vinyl-acetate EVA, and its oxygen barrier contribution is not sufficient for barrier-layer structures. Adhesion to polar substrates is reduced but not eliminated; the surface energy of the 10 wt% vinyl acetate copolymer is lower than that of a 28 wt% vinyl acetate grade, and corona or flame treatment may be required for lamination or coating adhesion.
Table 2 provides a representative comparative gradient across EVA grades. The values are drawn from public industrial literature for compositionally equivalent materials and are not lot-specific specifications.
| Parameter | Test method | EVAtech EVA 130S/10 | EVA 18/3 | EVA 28/25 |
|---|---|---|---|---|
| Vinyl acetate content | ISO 8985:2022 | 10 wt% | 18 wt% | 28 wt% |
| Melt flow rate, 190 °C/2.16 kg | ISO 1133-1:2022 | 130 g/10 min | 3 g/10 min | 25 g/10 min |
| Density | ISO 1183-1:2019 | 0.925–0.930 g/cm³ | 0.937–0.942 g/cm³ | 0.950–0.955 g/cm³ |
| Melting peak | ISO 11357-3:2018 | 94–98 °C | 85–89 °C | 70–75 °C |
| Tensile strength at break | ISO 527-2:2012 | 8–12 MPa | 20–25 MPa | 5–10 MPa |
| Elongation at break | ISO 527-2:2012 | 650–800 % | 700–800 % | 800–1000 % |
| Shore D hardness | ISO 868:2003 | 38–42 | 45–50 | 25–30 |
| Polar adhesion character | Application-dependent peel testing | Low to moderate | Moderate | High |
Compliance status for food-contact use is governed by additive composition and migration testing rather than the base resin alone. EVAtech EVA 130S/10 as an ethylene-vinyl acetate copolymer can be evaluated under 21 CFR 177.1520 for olefin polymers in food-contact applications, provided the finished article meets the end-use limitations and additive restrictions of that regulation. European food-contact suitability is assessed under Commission Regulation (EU) No 10/2011, where overall migration for food-contact plastics is limited to 10 mg/dm². Electrical and electronic equipment relevance is addressed through RoHS Directive 2011/65/EU, but the base resin is outside the restricted-substance scope unless formulated with noncompliant additives or reused in a regulated component. REACH obligations under Regulation (EC) No 1907/2006 are substance-specific and generally addressed at monomer and additive level by the polymer manufacturer. Users must obtain a compliance statement for the specific lot and application because additives, catalyst residues, and processing aids are not captured by a generic polymer classification. No medical device claim is established under ISO 10993; biocompatibility is device-specific and must be assessed on the finished medical device.
Substituting EVAtech EVA 130S/10 for ethylene-vinyl acetate grades containing 28–33 wt% vinyl acetate is not a drop-in replacement. The 10 wt% vinyl acetate composition produces higher haze and lower optical transmittance than clear encapsulant grades, making it unsuitable for photovoltaic module encapsulation where optical clarity above 90 % transmittance is typically specified. High-vinyl-acetate grades also provide the flexibility and metal adhesion required in cable compounds and polar hot-melt systems; EVAtech EVA 130S/10 requires tackifier adjustments or surface treatment to approach equivalent polar adhesion. In profile extrusion, the lower vinyl acetate content can improve mar resistance and reduce blocking, but the high melt flow rate reduces melt strength and limits draw-down in profile and blown-film geometries. The substitution therefore shifts processing latitude: higher shear rates are acceptable, but lower melt tension and reduced polar interaction define the operational boundary. For applications requiring optical clarity, low-temperature flexibility, and high peel adhesion, the existing dataset does not support substitution.
