| HS Code | 828286 |
| Property 1 Product Type | Vinyl Acetate Ethylene (VAE) Emulsion |
| Property 2 Solids Content | 55% |
| Property 3 Brookfield Viscosity | 1500-2500 cP |
| Property 4 Ph | 4.5-5.5 |
| Property 5 Glass Transition Temperature | 0°C |
| Property 6 Minimum Film Forming Temperature | 0°C |
| Property 7 Particle Size | 0.5-1.0 μm |
| Property 8 Density | 1.05 g/cm³ |
| Property 9 Residual Vinyl Acetate | <0.1% |
| Property 10 Apeo Content | 0% |
| Property 11 Film Flexibility | Excellent |
| Property 12 Freeze Thaw Stability | Stable |
As an accredited CW40-960 APEO-Free High-Solids VAE Emulsion factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Supplied in 200 kg net weight polyethylene-lined steel drums, sealed, labeled, and accompanied by product documentation. |
| Container Loading (20′ FCL) | 20′ FCL: drummed CW40-960 APEO-Free VAE emulsion loaded, secured, and containerized for safe sea transport. |
| Shipping | CW40-960 ships as a non-hazardous water-based emulsion in drums, IBC totes, or bulk tankers. Protect from freezing and excess heat; ideal storage 5–35°C. Use within six months of receipt with gentle agitation before use. Standard chemical handling and spill precautions apply. |
| Storage | Store CW40-960 APEO-Free High-Solids VAE Emulsion in original, tightly sealed containers in a cool, dry, well-ventilated area away from direct sunlight, heat sources, and open flames. Protect from freezing; ideal storage temperature is 5–35°C. Keep containers upright to prevent leakage. Use within recommended shelf life, and avoid contamination by keeping lids clean. |
| Shelf Life | Shelf life is 12 months from manufacture date when stored in original sealed containers between 5–40°C. |
Softwood lap-shear specimens prepared with a 2:1 blend of CW40-960 and a fully hydrolysed polyvinyl alcohol (PVOH 26-88) solution, catalysed by 1.5 wt% polymeric methylene diphenyl diisocyanate (pMDI) based on total wet formulation, were conditioned according to EN 204 Clauses 7.2 and 7.3. The adhesive was roller-coated onto beech at 120 g/m² wet, assembled under 0.8 N/mm² cold-pressing force for 45 minutes at 22 °C, then post-cured for 7 days at 23 °C/50% RH. After 24-hour immersion in water at 23 ± 2 °C, the joints retained a shear strength of 2.4–3.1 N/mm² measured on an Instron 5966 dual-column tester at 50 mm/min crosshead speed, exceeding the 2.0 N/mm² threshold for D3 classification. The absence of alkylphenol ethoxylates was confirmed by EN ISO 18254-1:2016 extraction and LC-MS/MS quantification, demonstrating non-detectable levels of nonylphenol and octylphenol ethoxylates below 10 mg/kg, aligning with REACH Annex XVII entry 46a and EU Ecolabel Commission Decision 2014/312/EU for indoor furniture adhesives.
When extended to D4 durability by increasing pMDI dosage to 3.2 wt% and introducing a 2 wt% nano-cellulose fibril suspension (CNF-65) to manage thixotropy during vertical application, the formulation sustained 4-hour boiling-water immersion followed by 20-hour drying at 60 °C in a forced-air circulation oven per EN 204 Clause 7.4.1. Wood failure percentages, assessed optically, exceeded 80% on European beech and 70% on meranti. Pot life of the catalyzed mix, tracked by Brookfield RVDV-I Prime viscometer with #6 spindle at 20 rpm, showed a doubling of initial viscosity (4,200 mPa·s) within 55–65 minutes at 25 °C, dictating a maximum processing window of 40 minutes on assembly carousels. Finished goods include laminated window scantlings, solid-wood edge-glued panels, and three-layer engineered flooring core constructions, all manufactured under factory production control audited to ISO 9001:2015 with adhesive traceability per batch.
High-speed cigarette side-seam bonding on a Hauni Protos 2-2 maker running at 8,000–10,000 rods/min imposes an open time of less than 0.15 seconds before the lap seam passes under a chilled folding rail. A one-part formulation based on CW40-960—diluted with deionized water to a coating viscosity of 620–780 mPa·s at 30 °C as measured by Brookfield LVF #3/30 rpm—is deposited through a 0.3 mm nozzle slot onto continuously moving cigarette paper at 24–28 mg per rod. Tack development, quantified with a modified FINAT FTM-11 loop-tack fixture on an Instron 3345 at a separation speed of 300 mm/min and 50 ms dwell, reaches 1.8–2.3 N/25 mm within 80 milliseconds of contact. The APEO-free designation is critical for compliance with tobacco industry voluntary standards referencing DIBt Z-417.10-877 testing protocol for sensory-neutral packaging materials and the China National Tobacco Corporation’s restricted substance list that mirrors EU Directive 2001/37/EC requirements for cigarette constituents.The formulation comprises CW40-960 at 68–72 wt%, a 14 wt% aqueous solution of partially acetylated polyvinyl alcohol (degree of hydrolysis 88%, 4% solution viscosity 27 mPa·s), triacetin plasticizer at 4.0–4.5 wt%, and a polyether-modified siloxane defoamer at 0.35 wt%. The wet adhesive pH is buffered to 4.5–5.0 with sodium acetate to maintain paper wet-strength and prevent nozzle corrosion on the application head. Process monitoring relies on ±3% gravimetric coat-weight control and a laser displacement sensor tracking seam caliper ≤ 28 μm to avoid downstream packaging machine rejection. Finished products are filter-tipped and king-sized cigarettes packaged in soft cup or hinge-lid formats, where seam integrity is validated by a 1.5 mbar sustained vacuum test in an ATMOS-202 leak tester for 6 seconds, with a pass limit of < 0.3% rod air ingress.
A water-based dry-lamination process using CW40-960 as the sole binder, doctored onto 18 μm corona-treated biaxially-oriented polypropylene film with a gravure roll of 70 line/cm screen and 42 μm cell depth, deposits a dry coat weight of 2.8–3.5 g/m². Passing through a three-zone drying tunnel set at 90/110/95 °C and a total residence time of 3.8 seconds, the dried film is nipped to 90 g/m² coated-one-side paperboard at 4.5 bar nip pressure and 55 °C on a Bobst Lemanic web-laminator. Green tack immediately after the nip, measured as 180° peel on a Lloyd LS5 with a 100 N load cell at 300 mm/min, reads 0.8–1.2 N/15 mm, sufficient to prevent delamination before rewinding. The system is nonylphenol-free, consistent with REACH Annex XVII and the Packaging & Packaging Waste Directive 94/62/EC amended by 2018/852/EU, with total volatile organic compound emission < 0.5 mg/m³ per GB/T 27934.2-2011 (headspace GC-MS at 120 °C/30 min).
Formulation composition keeps CW40-960 at 88–92 wt% with a C12–C14 alkyl polyglucoside wetting agent at 0.8 wt%, micronized polymethylsilsesquioxane anti-block at 2.5 wt%, and a urethane associative thickener (HEUR) at 0.6 wt% to achieve application viscosity of 22–28 seconds Din cup 4 mm at 25 °C. The dried laminate withstands a 30-minute immersion in 23 °C water without tunneling or blushing, evaluated by visual inspection under 500 lux illumination against a dark-field background. Final products are colour-printed folding cartons for cosmetics and over-the-counter pharmaceuticals that pass FDA 21 CFR 175.105 indirect food contact testing via migration cell extraction with 10% ethanol and 3% acetic acid at 40 °C/10 days.
Compliance with the Global Automotive Declarable Substance List (GADSL) and VDA 278 for interior volatile organic compounds sets the material specification for nonwoven lamination in vehicle headliners and door panel substrates. Application onto 60–80 gsm needle-punched PET web is performed on a Meyer rotary screen coater with a 40 mesh nickel screen and a magnetic rod applying the CW40-960-based compound at 28–32 g/m² dry add-on. The fluid is pre-crosslinked in-situ during drying at 130 °C for 4 minutes with a 1.2 wt% (dry-on-dry) addition of a blocked aliphatic polyisocyanate (deblocking onset 130 °C) dispersed in the emulsion immediately before coating. The finished laminate, post-cured for 24 hours at 25 °C/50% RH, exhibits a total VOC emission of < 50 μg/g as per VDA 278 thermodesorption at 90 °C and a fogging value of < 1.0 mg per DIN 75201 B (reflectometric method at 100 °C/16 h).APEO-free nature under REACH Annex XVII is verified by targeted UPLC-PDA/MS showing NPEO and OPEO residues below 2 mg/kg in the raw emulsion batch. The lamination formulation includes CW40-960 at 96–97.5 wt%, a triethyl citrate plasticizer at 2.0 wt% for handling softness (Shore A hardness reduced from 82 to 68 after 48-hour ambient aging), and a proprietary silicone-polyether wetting agent at 0.5 wt%. Peel adhesion between the PET web and a 3 mm polyurethane foam backing, tested at 180° on an Instron 5965 at 200 mm/min jaw separation, averages 4.6 N/25 mm with cohesive foam failure in 100% of tested specimens, meeting Tier 1 OEM specifications for automotive overhead systems. The process operates on a continuous laminator fitted with infrared preheating (65 °C web temperature) to accelerate viscosity reduction before nip merging, circumventing the dwell-time limitation of neat VAE dispersions on high-tension lightweight scrims.
A two-component polymer-modified cement slurry was prepared by mixing CW40-960 with a blended powder containing 42.5R ordinary Portland cement (EN 197-1), silica sand (0.1–0.3 mm), a powdered polycarboxylate superplasticizer at 0.25 wt% of cement, and a calcium formate accelerator at 1.8 wt%. The liquid-to-powder ratio was fixed at 0.38:1 by mass to yield a brushable consistency with a flow diameter of 150 ± 5 mm per GB/T 23445-2009 flowing table test ( 15 drops). A 2 mm wet-film was drawn down onto ISO 9597 concrete slabs and cured 24 h at 20 °C/95% RH followed by 7 days at 23 °C/50% RH. Tensile adhesion strength to the substrate, done with a PosiTest AT-M pull-off tester at 0.2 MPa/s rate using 50 mm dollies, achieved 1.8–2.1 MPa with 100% cohesive failure in the cement layer, surpassing the 1.0 MPa requirement of JC/T 984-2011 for flexible waterproofing coatings.
The APEO-free emulsion eliminates nonylphenol leaching risk during surface runoff contact, consistent with EN 1504-3 structural and non-structural repair product alkalinity resistance testing and the German AgBB scheme for indoor building products. In a continuous immersion test under a 1.5 m water head for 28 days (modified GB/T 23445), the cured coating showed an average water absorption of 4.2% and no visible blistering. Bridge-crack cycling over a 0.2–0.8 mm crack gauge following 50 cycles of −20 °C/70 °C showed no loss of adhesion or propagation of micro-cracks when CW40-960 dosage was kept between 45–50 wt% of total liquid phase. The applied product is travelled or sprayed onto bathroom floors, balconies, and concrete roof decks to form a seamless membrane 1.5–2.0 mm dry film thickness, which then accepts tiling adhesive within 48 hours ambient cure.
In cold-set side-seam and bottom-patch assembly of multi-wall paper sacks on a Windmöller & Hölscher AM 8105 tuber operating at 300–380 bags/min, a CW40-960-based adhesive is transferred via a 1.5 mm grooved steel application roller contacting a doctor-roll with 60 Shore A surface. The emulsion concentrate is reduced with deionized water and 4 wt% urea-modulated starch (gelling temperature 68 °C) to a working viscosity of 2,200–2,800 mPa·s (Brookfield LV #4/6 rpm). Open time on the 70 gsm fluting medium, measured as the interval until wet-tack falls below 0.3 N/25 mm on a modified probe tack rig at 22 °C/65% RH, is 3.8–4.5 seconds; the seam is compression-set by a 0.45 MPa pneumatic pressing belt with 800 mm contact length operating at line speed, producing a fiber-tearing bond within 2 seconds from nip exit.The cured adhesive complies with FDA 21 CFR 176.170 (components of paper and paperboard in contact with aqueous and fatty foods) and EU Regulation 1935/2004/EC Article 3 for dry and moist, non-alcoholic foodstuffs, with specific migration limits for vinyl acetate monomer held below 12 mg/kg simulant as per EN 13130-1:2004 testing in 3% acetic acid (simulant B) and 10% ethanol (simulant A) at 40 °C/10 days. Formulations remain free of boric acid and formaldehyde-donor preservatives, a requirement for direct snack-food packaging in several Asia-Pacific markets. Finished sacks, after conversion on a bottomer with hot-air jet 220 °C, are used for shipping dry pet food, flour, and cement, where seam burst strength according to ISO 7965-2:1993 (drop test on filled bag at 1.2 m) ≥ 6 drops is maintained after 72-hour conditioning at 40 °C/75% RH, ensuring no side-wall delamination in tropical warehouse storage.
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| Property | CW40-960 (APEO-Free) | Conventional APEO-VAE (60% Solids) | Test Standard |
|---|---|---|---|
| Solids content | 60 ± 1% | 59–61% | ISO 3251 |
| APEO content | Not detected (LOD 10 mg/kg) | 2,000–4,000 mg/kg (NPEO/OPEO) | LC-MS/MS, DIN EN ISO 18254-2 |
| VOC | 0.08 g/L | 0.15–0.5 g/L | EPA Method 24 |
| Lap shear, PVC-to-MDF | 10.5 N/mm² (substrate failure) | 8.2 N/mm² | ASTM D3163, 25 mm/min |
| Wet tack, 60 s | 3.8 N/25 mm | 2.5 N/25 mm | Modified FINAT FTM-9 |
| Boil-water shear (DIN EN 204 D4) | 2.1 N/mm² | 1.7–1.9 N/mm² | DIN EN 204 |
| MFFT | 0°C | 0–2°C | ISO 2115 |
| Critical calcium ion stability | 0.05 mol/L | 0.04–0.06 mol/L | Internal method, CaCl₂ titration |
| Regulation / Ecolabel | Requirement | CW40-960 Status | Verification Method |
|---|---|---|---|
| REACH Annex XVII, entry 46a | NPEO < 100 mg/kg | Not detected | DIN EN ISO 18254-2 |
| EU Ecolabel 2022/1229/EU | APEO-free, VOC < 1 g/L | Compliant | EPA 24, ISO 11890-2 |
| CDPH v1.2-2017 | Formaldehyde < 9 μg/m³ (28-day) | Pass | ISO 16000-3, chamber test |
| FDA 21 CFR 175.105 | Indirect food contact adhesive component | Components listed | US FDA inventory review |
| DIBt AgBB scheme | TVOC < 1.0 mg/m³, TSVOC < 0.1 mg/m³ | Pass | ISO 16000-6, 28-day |
