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Waterborne PU resins for fiberglass sizing

Sizing chemistry defines strand handling in production and mechanical performance in the finished composite — our YT-FB grades stabilize the bath and strengthen the fiber-resin interface.

PUD · Heat-Activated AdhesiveYT-502
Textile CoatingAdhesivesGlass Fiber Sizing

YT-502 — Heat-Activated Waterborne Polyurethane Adhesive Resin

Anionic aliphatic PUD for heat-activated bonding at 50–55 °C — excellent brushability, fast activation and crystallization, strong bond strength and heat resistance; for textile/fabric treatment, fiberglass sizing, footwear, furniture and automotive interior assembly.

  • Appearance: Semi milky white to milky white liquid
  • Solid content: 40%
  • Excellent brush application performance
  • Activation at 50–55 °C with fast activation efficiency and crystallization
  • Excellent bond strength and heat resistance
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PUD · AdhesiveYT-507
Textile CoatingGlass Fiber Sizing

YT-507 — Heat-Resistant Fast-Drying Waterborne Polyurethane Adhesive

One-component anionic aliphatic waterborne polyurethane adhesive with excellent heat resistance, fast drying, strong initial tack, high bond strength, water resistance and good spray atomization — for textile, fabric and fiberglass treatment.

  • Appearance: Milky white
  • Solid content: 50 ± 2%
  • Eco-friendly, non-toxic and odorless with excellent scrub resistance
  • Excellent heat resistance, fast drying and strong initial tack
  • High bond strength, water resistance and good spray atomization
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PUD · Textile & FiberYT-102
Textile CoatingGlass Fiber Sizing

YT-102 — Nonionic Waterborne Polyurethane Resin

Nonionic aliphatic waterborne polyurethane dispersion — stable in acid/alkaline systems, with excellent water and solvent resistance, strong adhesion and initial tack. For textile treatment, fiberglass sizing and fabric finishing.

  • Appearance: Milky white liquid
  • Solid content: 30%
  • Stable in acid and alkaline systems
  • Excellent water and solvent resistance
  • Strong adhesion with good initial tack
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Reference Data

Typical properties — representative grades

Values are typical for guidance; full technical data sheets are available on request.

GradeFamilySolid (%)HardnessKey Application
YT-502PUD40%Textile treatment
YT-507PUD50 ± 2%Textile treatment
YT-102PUD30%Textile treatment
YT-101PUD30%Textile treatment

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