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

Kuraray PVB B30HH Polyvinyl Butyral Resin

Kuraray PVB B30HH is a high-clarity, high-adhesion polyvinyl butyral resin from Kuraray’s premium B-series, engineered for automotive laminated safety glass and architectural glazing. It offers exceptional optical transparency, UV resistance, and interlayer bonding strength with excellent processability in autoclave and continuous lamination lines.
  • kuraray pvb b30hh polyvinyl butyral resin_60a1351f
  • kuraray pvb b30hh polyvinyl butyral resin_60a1351f

Features Of Kuraray PVB B30HH Polyvinyl Butyral Resin

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

  2. Optimized melt flow and processing stability for consistent extrusion and casting in interlayer film production.

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

  4. Enhanced toughness and impact resistance, meeting stringent automotive and architectural safety standards.

  5. Low moisture absorption and excellent long-term weatherability under UV exposure and thermal cycling.

Typical Applications Of Kuraray PVB B30HH Polyvinyl Butyral Resin

  1. Laminated automotive windshields and side windows requiring high optical quality and structural integrity.

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

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

  4. Photovoltaic module encapsulation layers for improved durability and delamination resistance.

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

Specifications Of Kuraray PVB B30HH Polyvinyl Butyral Resin

Chemical TypePolyvinyl butyral (PVB) copolymer
Product FormFree-flowing white granules
AppearanceOff-white to light yellow granular solid
Primary ApplicationsSafety interlayer film for laminated glass
Key FeaturesHigh melt strength, low haze, excellent interfacial adhesion
BenefitsEnables high-speed film casting, reduces edge defects, improves yield
Storage ConditionsStore in cool, dry place; protect from moisture and direct sunlight
ComplianceMeets ISO 12217-1, EN 14449, and FMVSS 208 requirements


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