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

Kuraray PVB B30H Polyvinyl Butyral Resin

KurarayPVB B30H is a high-clarity, thermoplastic polyvinyl butyral resin from Kuraray’s premium PVB series, engineered for laminated safety glass interlayers. It offers exceptional adhesion, UV resistance, and impact strength while maintaining excellent processability in autoclave and vacuum bag lamination. Widely used in automotive and architectural glazing, B30H ensures superior optical quality and long-term durability under demanding environmental conditions.
  • kuraray pvb b30h polyvinyl butyral resin_c35e1c6c
  • kuraray pvb b30h polyvinyl butyral resin_c35e1c6c

Features Of Kuraray PVB B30H Polyvinyl Butyral Resin

  1. High adhesion strength to glass and polycarbonate substrates, ensuring reliable interlayer bonding in laminated safety glazing.

  2. Excellent optical clarity and low haze, supporting high-transparency requirements for architectural and automotive glazing.

  3. Superior impact resistance and energy absorption performance under dynamic loading conditions.

  4. Good processability in standard lamination lines, including compatibility with autoclave and vacuum bag methods.

  5. Consistent thermal stability and low volatility during pre-press and final lamination cycles.

Typical Applications Of Kuraray PVB B30H Polyvinyl Butyral Resin

  1. Automotive laminated windshields and side windows for passenger vehicles and commercial fleets.

  2. Architectural safety glazing in façades, skylights, and overhead glazing systems.

  3. Security and blast-resistant laminates for critical infrastructure and government facilities.

  4. Photovoltaic module encapsulation layers requiring long-term UV stability and moisture barrier performance.

Specifications Of Kuraray PVB B30H Polyvinyl Butyral Resin

Chemical TypePolyvinyl butyral (PVB) resin
Product FormFree-flowing white granules
AppearanceOff-white to light yellow granular solid
Primary ApplicationsLaminated safety glass interlayer
Key FeaturesHigh tack, balanced melt viscosity, excellent interfacial adhesion
BenefitsImproved lamination yield, reduced delamination risk, enhanced optical quality
Storage ConditionsStore in cool, dry place; protect from moisture and direct sunlight


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