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

Kuraray PVB B30T Polyvinyl Butyral Resin

Kuraray PVB B30T is a high-clarity, thermoplastic polyvinyl butyral resin from Kuraray’s premium B-series, engineered for laminated safety glass interlayers. It offers excellent adhesion, UV resistance, and impact strength while maintaining optical transparency and processability in autoclave and EVA-free lamination systems.
  • kuraray pvb b30t polyvinyl butyral resin_f8bed4da
  • kuraray pvb b30t polyvinyl butyral resin_f8bed4da

Features Of Kuraray PVB B30T Polyvinyl Butyral Resin

  1. High clarity and excellent optical transparency for premium laminated safety glass performance.

  2. Optimized melt flow characteristics enabling smooth extrusion and uniform interlayer formation.

  3. Superior adhesion to both glass and polycarbonate substrates without requiring primers.

  4. Excellent UV stability and long-term yellowing resistance under accelerated weathering conditions.

  5. Consistent batch-to-batch quality ensured by Kuraray’s proprietary polymerization and purification process.

Typical Applications Of Kuraray PVB B30T Polyvinyl Butyral Resin

  1. Laminated automotive windshields and side windows.

  2. Architectural safety glass for facades, skylights, and overhead glazing.

  3. Security glazing systems including blast-resistant and forced-entry resistant laminates.

  4. Photovoltaic module encapsulation layers for enhanced durability and moisture barrier performance.

  5. Acoustic laminated glass for noise reduction in transportation and building applications.

Specifications Of Kuraray PVB B30T Polyvinyl Butyral Resin

Chemical TypePolyvinyl butyral (PVB) copolymer
Product FormFree-flowing white granules
AppearanceOff-white to light yellow granular solid
Primary ApplicationsSafety interlayer for laminated glass
Key FeaturesHigh adhesion, optical clarity, thermal processability
BenefitsImproved lamination yield, reduced delamination risk, consistent optical quality
Storage ConditionsStore in cool, dry location; protect from moisture and direct sunlight
ComplianceMeets ISO 12543-3 for laminated glass interlayers


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