Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Wacker VINNAPAS B1.5sp Vinyl Chloride Copolymer Resin

Wacker VINNAPAS B1.5sp is a vinyl chloride–vinyl acetate copolymer resin from the VINNAPAS® series, offering excellent adhesion, water resistance and film-forming capability for industrial coatings, sealants and construction binders. It delivers balanced hardness, flexibility and hydrolytic stability without plasticizers.
  • wacker vinnapas b1.5sp vinyl chloride copolymer resin_fd947bba
  • wacker vinnapas b1.5sp vinyl chloride copolymer resin_fd947bba

Features Of Wacker VINNAPAS B1.5sp Vinyl Chloride Copolymer Resin

  1. Excellent adhesion to low-energy substrates including PVC, polyolefins, and metallized films.

  2. Good flexibility and impact resistance at low temperatures without plasticizer addition.

  3. High chemical resistance to aliphatic hydrocarbons, alcohols, and weak acids.

  4. Low extractables and compliance with FDA 21 CFR §175.300 for indirect food contact applications.

  5. Easy dispersibility in water-based systems and compatibility with common co-binders and additives.

Typical Applications Of Wacker VINNAPAS B1.5sp Vinyl Chloride Copolymer Resin

  1. Water-based inks for flexible packaging and label printing.

  2. Adhesive formulations for laminating foils and metallized polyester films.

  3. Coatings for pharmaceutical blister packaging and child-resistant closures.

  4. Functional barrier layers in multilayer extrusion coatings for food and medical packaging.

  5. Binders in specialty paper coatings requiring solvent resistance and dimensional stability.

Specifications Of Wacker VINNAPAS B1.5sp Vinyl Chloride Copolymer Resin

Chemical TypeTerpolymer of vinyl chloride, vinyl acetate, and maleic acid ester
Product FormFree-flowing white to off-white powder
AppearanceFree-flowing granular or fine powder
Primary ApplicationsWater-based inks, laminating adhesives, functional barrier coatings
Key FeaturesLow-Tg, plasticizer-free flexibility, excellent substrate adhesion
BenefitsReduced VOC emissions, improved print gloss and rub resistance, regulatory compliance
Storage StabilityStable for ≥12 months in original sealed packaging at <25 °C and <60% RH
Regulatory StatusFDA 21 CFR §175.300 compliant; EU Directive 2002/72/EC compliant


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