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Dynasylan® VPS 4721

CASE Ingredients Functions
Adhesion PromoterSurface Modifier
Chemical Family
Silanes

Dynasylan® VPS 4721 is a bifunctional organosilane, with a reactive organic epoxide and hydrolyzable inorganic methoxysilyl groups. Through its dual reactivity, Dynasylan® VPS 4721 forms chemical bonds with both inorganic materials (e.g., glass, metals, fillers) and organic polymers (including thermosets, thermoplastics, elastomers). This compound serves as an adhesion promoter, crosslinking agent, and surface modifier.

Product families

CASE Ingredients — Additives
  • Surface Modifiers
Composite Materials — Additives
  • Functional Additives
Elastomers — Elastomer Additives
  • Catalysts Initiators & Crosslinkers
  • Surface Modifiers
Plastics — Polymer Additives
  • Catalysts Initiators & Crosslinkers
  • Surface Modifiers
Industrial Additives & Materials — Textile & Leather Chemicals
  • Technical Fibers & Fabrics

Other characteristics

Brand
Dynasylan
Functions

Adhesion Promoter, Crosslinking Agent, Sizing Agent, Surface Modifier

Labeling Claims
Low VOC
Technology
  • CASE Ingredients
  • Composite Materials
  • Elastomers
  • Industrial Additives & Materials
  • Plastics
Composite Materials Functions
Sizing Agent
Plastics and Elastomers Functions
  • Adhesion Promoter
  • Crosslinking Agent

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