Products

Products

Anhui Liwei Chemical Co., Limited.

VINNAPAS 5005 N

    • Product Name: VINNAPAS 5005 N
    • Factroy Site: Lingwu, Yinchuan, Ningxia, China
    • Price Inquiry: sales2@liwei-chem.com
    • Manufacturer: Anhui Liwei Chemical Co., Limited.
    • CONTACT NOW
    VTB
    Specifications
    HS Code 197458
    Product Name VINNAPAS 5005 N
    Chemical Composition Vinyl acetate-ethylene copolymer dispersion
    Appearance White aqueous dispersion
    Solids Content Approximately 55%
    Viscosity Approximately 3000-7000 mPa·s (Brookfield, 23°C)
    Ph Approximately 4.5
    Glass Transition Temperature Approximately 0°C
    Minimum Film Forming Temperature Approximately 0°C
    Density Approximately 1.06 g/cm³ at 20°C
    Surface Tension Approximately 35 mN/m
    Particle Size Approximately 1 µm

    As an accredited VINNAPAS 5005 N factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing VINNAPAS 5005 N is supplied in sealed 200 kg drums or 1000 kg IBC totes, ensuring safe handling and preserved emulsion quality.
    Container Loading (20′ FCL) Load 20' FCL with VINNAPAS 5005 N: bagged on pallets, shrink-wrapped, securely braced, protected from moisture and heat.
    Shipping VINNAPAS 5005 N is shipped as an aqueous polymer dispersion in drums, IBC totes, or bulk tankers. It is non-hazardous under normal transport conditions. Protect from freezing, excessive heat, and contamination. Ensure secure, upright loading with proper labeling and documentation for safe handling and delivery.
    Storage Store VINNAPAS 5005 N in its original, tightly sealed containers in a cool, dry, well-ventilated area. Protect from frost, direct sunlight, and temperatures above 30°C; ideal storage is between 5°C and 30°C. Avoid contact with incompatible materials. Keep containers upright and use within recommended shelf life.
    Shelf Life VINNAPAS 5005 N shelf life is typically 6 months from delivery when stored in original, sealed containers under cool, dry conditions, protected from freezing.
    Application of VINNAPAS 5005 N

    High-speed folding carton side-seam gluing imposes opposing constraints that are rarely satisfied by plasticized polyvinyl acetate homopolymer dispersions. The side seam must develop fibre-tearing bond strength before the compression belt releases, yet remain clean-running in slot-nozzle equipment at line speeds up to 320 m/min. VINNAPAS® 5005 N, a polyvinyl alcohol-stabilized vinyl acetate-ethylene copolymer dispersion with 54–56 wt% solids, pH 4.0–5.0, Brookfield viscosity at 25°C of 2,500–4,500 mPa·s, and nominal minimum film-formation temperature of 0°C, is compounded at 60–85 wt% of wet adhesive mass for this use. A standard machine formulation is 100 parts VINNAPAS® 5005 N, 0.5–2.0 phr of alkali-swellable associative thickener, 0.2–0.5 phr of mineral-oil-free defoamer, and 5–15 phr water to hold application viscosity between 1,800 mPa·s and 3,200 mPa·s. The downstream operation applies 1.5–3.5 g wet adhesive per linear metre through a slot nozzle or notched roller to the fold-over panel, followed by compression at 0.2–0.6 MPa for 0.5–2.0 s; bond development is measured by ASTM D1876-08 T-peel or ISO 11339:2022, with fibre tear exceeding 85% on clay-coated board after 1 h. In the European Union, the adhesive falls under Regulation (EC) No 1935/2004 when placed into food packaging, and in the United States the formulation must satisfy FDA 21 CFR 175.105 for the adhesive component and FDA 21 CFR 176.170/176.180 where paperboard is a direct food-contact article. Terminal packaging formats include cereal cartons, frozen-food folding cartons, crash-lock cartons, multi-pack sleeves, and paperboard trays.

    Why Does Bookbinding Demand a Film-Formation Temperature Below 5°C on High-Speed Perfect Lines?

    The spine layer of a perfect-bound book is a functional composite of compacted paper fibres, sizing residues, fillers, and a thermoplastic adhesive film that must flex at the joint without stress whitening. When film formation is incomplete because the adhesive MFFT is above the pressroom air temperature, the spine becomes brittle and page pull forces concentrate at the hinge. VINNAPAS® 5005 N has a nominal MFFT of 0°C, permitting coalescence at the 10–30°C air temperatures common in bindery halls without external plasticizer. The reference bookbinding compound uses 100 parts VINNAPAS® 5005 N, 5–15 phr water, 10–30 phr fine calcium carbonate, and 0.3–0.8 phr nonionic defoamer; triethyl citrate is added at 0–15 phr only where specifications require flexibility below −20°C. Application on perfect binders occurs by wheel pot or extrusion nozzle at 0.8–2.0 g wet adhesive per spine, with line speeds from 4,000 to 8,000 cycles/h, followed by infrared or warm-air pre-set at 60–90°C for 2–5 s and cover nipping under 0.2–0.4 MPa. Adhesive performance is evaluated by page-pull and flex methods referencing ISO 11339:2022 for flexible-to-flexible peel and internal flex testing; regulatory compliance follows REACH 1907/2006/EC and excludes alkylphenol ethoxylate wetting agents. Terminal formats are softcover perfect-bound books, catalogues, magazines, yearbooks, and technical manuals.

    Spiral and convolute tube winders running kraft liner to a rotating steel mandrel at 80–140 m/min subject water-based adhesives to short dwell under roller pressure, then immediate forced-air evaporation at 90–120°C. In this process, VINNAPAS® 5005 N is diluted to 35–50 wt% solids; per 100 parts dispersion, 30–60 phr water, 0.5–1.5 phr of low-molecular-weight PVOH solution, and 0.2–0.6 phr defoamer are added to control penetration into the inner ply and to maintain viscosity at 1,200–2,800 mPa·s. The adhesive is applied by roller coater or reverse-gravure at 20–40 g/m² wet, winding tension is held between 4 N/cm and 8 N/cm, and the mandrel surface is controlled at 60–80°C. Ply adhesion after conditioning is assessed with T-peel according to ISO 11339:2022 or ASTM D1876-08; fibre tear of the uncoated kraft is required for structural core integrity. Where the finished tube or core is intended for dry food contact, the adhesive system must satisfy FDA 21 CFR 176.170 and 176.180 as components of paper and paperboard, and Regulation (EC) No 1935/2004 in Europe. Terminal products include spiral label cores, convolute paper cores for films and textiles, composite can bodies, and postal mailing tubes.

    Tensile Energy Absorption in Dry-Laid Cellulosic Nonwoven Webs

    Dry-laid nonwoven manufacture uses a binder to consolidate fibre entanglements and to convert frictional contacts into load-bearing bonds without forming a surface film that degrades absorbency or hand. VINNAPAS® 5005 N is applied at 10–25 wt% bath solids after dilution of 100 parts dispersion with 150–400 parts water; 0.2–0.5 phr of a nonionic acetylenic diol or silicone-free wetting agent is included to stabilise the bath, and where wet tensile retention beyond 120% of dry tensile is specified, 1–3 phr of glyoxal-based crosslinker may be introduced immediately before use. The web is processed through a spray boom or dip-squeeze saturator at 40–120 m/min, followed by multi-zone forced-air drying at 120–160°C for 10–60 s; dry binder pick-up is controlled between 8 wt% and 20 wt% on fibre. Tensile strength and elongation are measured with ISO 9073-3:1989; wet/dry tensile ratios, liquid absorbency, and linting are evaluated according to end-user specifications under ISO 9073 series methods. Published test data for this specific dispersion configuration is limited; plant trials should verify crosslinker pot life and oven profile effects on yellowing and absorbency. Regulatory documentation includes REACH 1907/2006/EC; food-contact nonwoven formats require extraction testing against Regulation (EC) No 1935/2004 and FDA 21 CFR 177.1630 where applicable. Terminal supplies include industrial wipes, filtration media, table-top tissue, and disposable medical packaging nonwovens.

    When a D2 Interior Wood Adhesive Must Combine Fast Setting with Low Open-Time Variability

    Interior wood assembly adhesives formulated to EN 204:2016 D2 operate in non-structural service with only occasional exposure to humid air, but they must tolerate dimensional movement in solid wood and high-speed clamping cycles in furniture plants. Vinyl acetate-ethylene copolymer contributes low-temperature film coalescence and reduced bond stiffness compared with homopolymer PVAc, which decreases stress concentration at the bond line when moisture-induced swelling occurs. A standard blend uses 40–70 parts VINNAPAS® 5005 N and 60–30 parts of a 40 wt% solids PVAc homopolymer dispersion; to this base are added 10–20 phr calcium carbonate, 0.3–0.8 phr defoamer, and water to viscosity 6,000–12,000 mPa·s at 25°C. Roller or brush application deposits 80–150 g/m²; the open assembly must not exceed 8 min at 23°C and 50% RH; cold press parameters are 0.5–1.0 MPa for 30–60 min. Tensile shear strength on beech after 7 days conditioning is measured according to EN 205:2016, and a minimum of 10 N/mm² may be specified for D2 bonds, but the adhesive is not suitable for D3 or D4 water-resistance classes without crosslinker or formulation redesign. Operational boundary: application below 10°C delays film formation and increases press time; pre-drying is not recommended at relative humidity above 70% because rapid skinning reduces penetration. Terminal components include interior furniture joints, veneer lamination, solid wood panels, door skins, and acoustic panel framing.

    Multi-wall paper sacks for cement, pet food, and agricultural chemicals carry bottom-paste loads before the water-based adhesive has fully dried, so the wet tack must resist immediate pendulum impact and filling vibration. VINNAPAS® 5005 N is formulated at 35–55 wt% wet solids; per 100 parts dispersion, 20–60 phr water, 5–15 phr modified starch, and 0.3–0.6 phr defoamer are compounded to a viscosity of 2,000–4,000 mPa·s. A paste wheel or slot coater deposits 1.5–3.0 g of adhesive per sack bottom, compression is applied at 0.2–0.5 MPa for 5–15 s, and line speeds of 40–60 sacks/min are typical on modern bottomers. Bond development is measured by T-peel on kraft according to ASTM D1876-08 or ISO 11339:2022; fibre tear must occur before 24 h ambient cure. For dry food and chemical product contact through the paper plies, the adhesive must comply with FDA 21 CFR 176.180 and the relevant Regulation (EC) No 1935/2004 migration provisions; REACH 1907/2006/EC documentation applies to the compounded adhesive as sold. Terminal formats include multi-wall paper sacks, pasted-valve bags, block-bottom bags, and paper carrier bag bases.

    Free Quote

    Competitive VINNAPAS 5005 N prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please contact us at +8615380400285 or mail to sales2@liwei-chem.com.

    We will respond to you as soon as possible.

    Tel: +8615380400285

    Email: sales2@liwei-chem.com

    Inquiry

    Get Free Quote of Anhui Liwei Chemical Co., Limited.

    Flexible payment, competitive price, premium service - Inquire now!

    Certification & Compliance
    More Introduction

    VINNAPAS 5005 N is an aqueous dispersion of a vinyl acetate-ethylene (VAE) copolymer supplied as a white milky liquid without external plasticizer. The product is used as a binder in interior and exterior architectural coatings, cementitious tile adhesives, waterproofing membranes, plasters, joint fillers, and flooring adhesives. In the manufacturer’s sales specification, solids content is controlled between 54% and 56% when dried for 2 h at 105°C in accordance with DIN EN ISO 3251. Brookfield RVT viscosity at 25°C using spindle 3 at 20 rpm is specified from 200 mPa·s to 700 mPa·s according to ISO 2555. The pH is maintained between 4.0 and 5.0 per DIN ISO 976, and the minimum film-forming temperature is 0°C per DIN ISO 2115. Density at 20°C is approximately 1.06–1.08 g/cm³ by ISO 2811. The dispersion is stabilized in a polyvinyl alcohol protective colloid system, which influences shear response and compatibility in cementitious mixtures. The product is anionic; therefore, formulation and process design must exclude cationic additives and high concentrations of multivalent salts.

    What Specification Window Applies to VINNAPAS 5005 N?

    Inter-batch variation in production is controlled by gravimetric solids and Brookfield viscosity. Viscosity should be rechecked after homogenization with a low-shear paddle stirrer at 50–80 rpm because skimming or settling can develop after prolonged storage. Sampling according to ISO 15528 is recommended before transfer into a mixing vessel. The dispersion is not intentionally thixotropic; viscosity measurements obtained with different spindle geometries or speeds are not directly comparable to the data sheet. Batch-specific certificates of analysis should be consulted for release values because typical values are not release limits.

    Representative physical properties of VINNAPAS 5005 N
    PropertyTypical valueTest method
    Solids content54–56%DIN EN ISO 3251
    Brookfield RVT viscosity at 25°C, spindle 3, 20 rpm200–700 mPa·sISO 2555
    pH4.0–5.0DIN ISO 976
    Minimum film-forming temperature0°CDIN ISO 2115
    Density at 20°C1.06–1.08 g/cm³ISO 2811

    The minimum film-forming temperature of 0°C is the most significant processing parameter for low-odor coatings. A dispersion with an MFFT at this value can be formulated without coalescent under standard indoor drying conditions, but film formation at substrate temperatures below 5°C still requires a small coalescent addition to prevent mud-cracking.

    Film formation from VINNAPAS 5005 N occurs through particle coalescence after water evaporation. Because ethylene comonomer is incorporated into the vinyl acetate backbone, the minimum film-forming temperature is reduced to 0°C, allowing low-odor interior paints to be formulated with coalescent demand below 1.0 wt% on polymer solids. A conventional vinyl acetate homopolymer dispersion with similar solids content commonly requires 4–8 wt% coalescent and exhibits an MFFT between 15°C and 18°C. Cast films remain flexible without external plasticizer migration; this is a primary difference from plasticized polyvinyl acetate systems that lose elongation after plasticizer exudation. Wet-scrub resistance of a 60 PVC interior paint based on 12–14% VINNAPAS 5005 N polymer solids is evaluated according to ASTM D2486, and wet adhesion to alkyd substrates can be measured by ASTM D3359 after 24 h water immersion. Isolated film tensile properties are formulation-dependent and are determined according to ISO 527-2 on films cast at 23°C and 50% relative humidity.

    Rheological Response During High-Shear Cementitious Mixing

    In planetary mortar mixers operating at beater speeds of 100–140 rpm and high-shear blades of 900–1,200 rpm, VINNAPAS 5005 N is added after the cement and dry fillers have been wetted with gauging water. Direct contact between the dispersion and dry cement can generate localized coagulate particles in the 100–500 µm size range; these appear as lumps in the wet mortar and can reduce tensile adhesion values under EN 1348. Pre-dilution of the dispersion with water at a ratio of 1:2 before addition reduces viscosity in the diluted stream to below 50 mPa·s, allowing incorporation without exceeding a batch temperature of 35°C. The dispersion is susceptible to coagulation by high concentrations of calcium ions, so the normal order of addition is water, cement, sand, dispersion, and finally rheology modifiers. The product remains stable in the acidic range, but cement alkalinity above pH 12.5 is tolerated because the ethylene comonomer increases alkaline hydrolysis resistance relative to polyvinyl acetate homopolymers. High-speed dissolver dispersion of pigments in the presence of VINNAPAS 5005 N should be limited to tip speeds below 8 m/s and temperatures below 40°C; above these conditions, irreversible shear-induced grit formation may occur. In production-scale 500 L dissolvers equipped with a 300 mm sawtooth disc, the liquid temperature is therefore monitored at the vessel wall and at the vortex base to avoid local hot spots.

    Interior paints formulated with VINNAPAS 5005 N at 12–14 wt% on total formulation and a pigment volume concentration of 60% are processed by adding the dispersion during the letdown stage. In a high-speed disc disperser with 300 mm blade at 1,000 rpm, pigment pastes are cooled below 40°C before dispersion addition. The low MFFT of 0°C permits formulators to reduce or eliminate Texanol-type coalescents; this is the main differentiation from polyvinyl acetate and many styrene-acrylate binders. Scrub resistance can be determined according to ASTM D2486, and low-temperature coalescence is assessed by film formation at 5°C in a 24 h drawdown test. Wet adhesion to aged alkyd enamel is measured by ASTM D3359 after 24 h immersion in water at 23°C. The product’s anionic character requires rheology modifiers with similar or nonionic charge; cationic associative thickeners should not be used because they cause rapid coagulation and viscosity collapse. In production batches, final viscosity is adjusted after dispersion addition with medium-viscosity hydroxyethyl cellulose or associative polyurethane thickeners, depending on the required sag resistance.

    When the dispersion is used in tile adhesives and waterproofing membranes

    In cementitious tile adhesives classified under EN 12004, VINNAPAS 5005 N is added at 2–5 wt% polymer solids based on cement mass. Tensile adhesion after water immersion and after heat ageing is measured in accordance with EN 1348; adhesion after freeze-thaw cycling is measured by the same standard. The dispersion contributes to open time and deformability, but absolute values depend on cement grade, sand gradation, and cellulose ether dosage. Published data for very fast-setting cements containing lithium carbonate accelerators and this exact dispersion is limited; preliminary jar testing is required because lithium ions may reduce colloidal stability. In two-component cementitious waterproofing membranes tested under EN 14891, the dispersion is mixed into the liquid component at 10–25% by weight; crack-bridging performance is then a function of the powder-to-liquid ratio and reinforcement fabric. The dispersion is generally compatible with melamine-formaldehyde sulfonate superplasticizers at dosages up to 0.5 wt% on cement, but early mixing with polycarboxylate ether superplasticizers may produce air entrainment above 5 vol%, requiring defoamer adjustment. The use of a vacuum mixer or a slow pan mixer is preferred to avoid air entrapment in membrane formulations.

    Relative to styrene-acrylate dispersions of similar solids, VINNAPAS 5005 N has a lower minimum film-forming temperature and does not require coalescent for film formation at 0°C. Styrene-acrylate binders may offer earlier water resistance and higher hardness but require higher coalescent demand and can show poorer wet adhesion on aged alkyd surfaces in some formulations. Relative to a vinyl acetate homopolymer, the VAE chemistry provides lower MFFT and better alkali resistance in cementitious environments because the ethylene units interrupt the acetate sequence and reduce the number of adjacent ester groups available for alkaline hydrolysis. In adhesive applications, VINNAPAS 5005 N generally exhibits different set speed and heat resistance compared with polyvinyl alcohol-stabilized vinyl acetate homopolymers; heat resistance is lower than crosslinking vinyl acetate-ethylene grades that contain N-methylolacrylamide. End-use performance must therefore be tested under the relevant product standard, such as EN 204 for non-structural wood adhesives or EN 12004 for tile adhesives, because comparative rankings are formulation-specific.

    In exterior masonry paints and plasters, VINNAPAS 5005 N is used at 8–15% on total formulation depending on chalk resistance and water-vapour permeability requirements. Carbon dioxide diffusion and water-vapour transmission are assessed by EN 1062-1 or ISO 7783 to ensure the film does not trap moisture. The ethylene comonomer provides low-film stress and reduces mud-cracking in thick plaster application at 2–5 mm wet thickness, which is relevant when a standard vinyl acetate homopolymer would require significant coalescent. Exterior formulations should include sufficient defoamer and wet-edge additives because the dispersion is shear-stable but can generate foam under high-speed mixing.

    Cationic additives force immediate destabilization

    The dispersion is anionic and must not be mixed with cationic additives, including cationic surfactants, cationic polyelectrolytes, and some amine-functional silanes, because coagulation occurs even at low addition levels. Multivalent metal salts such as aluminium sulfate or calcium chloride at concentrations above 0.1–0.3 wt% based on liquid can destabilize the protective colloid system. Freeze-thaw stability is not guaranteed; the product should be stored at 5–30°C in closed containers and protected from frost. If frozen below 0°C, the dispersion may irreversibly coagulate and exhibit serum separation. Preservatives should be selected from isothiazolinone or benzimidazole chemistries that are effective between pH 4.0 and 9.0; addition of formaldehyde releasers must be checked against current regulatory limits. In cementitious formulations, avoid pre-blending with high-pH silicate solutions above pH 12.5 for long periods, because prolonged alkaline exposure reduces the benefit of the ethylene comonomer and can increase coagulum. Mechanical stability is adequate for low- and medium-shear mixing; high-shear rotor-stator devices operating above 10 m/s tip speed are not recommended.

    Warehouse handling on production lines with 1,000 L IBC tanks should include gentle recirculation with a diaphragm pump at 20–40 L/min before transfer, because mild sedimentation can occur after 3 months. The product is typically supplied in 125 kg drums or 1,000 kg IBC containers, with a shelf life of 6 months from the date of manufacture when stored under the specified conditions. Empty containers should be rinsed before disposal, and residual material must be disposed of in accordance with local regulations. Product quality after storage should be confirmed by rechecking pH, solids, and Brookfield viscosity against the certificate of analysis; if the pH has shifted by more than 0.5 units or viscosity exceeds the specification ceiling, the batch should be quarantined for further testing.