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

Kuraray PVB B-20H Polyvinyl Butyral Resin

Kuraray PVB B-20H is a high-adhesion, optically clear polyvinyl butyral resin from Kuraray’s premium B-series, engineered for laminated safety glass in automotive and architectural applications. It offers excellent UV resistance, melt stability, and interlayer bonding strength with superior clarity and toughness.
  • kuraray pvb b 20h polyvinyl butyral resin_eac42329
  • kuraray pvb b 20h polyvinyl butyral resin_eac42329

Features Of Kuraray PVB B-20H Polyvinyl Butyral Resin

  1. High adhesion strength to glass and polycarbonate substrates.

  2. Excellent optical clarity and low haze for transparent safety laminates.

  3. Superior melt flow and processability in extrusion and calendering operations.

  4. Enhanced hydrolytic stability under humid and elevated temperature conditions.

  5. Consistent batch-to-batch performance with tight molecular weight distribution.

Typical Applications Of Kuraray PVB B-20H Polyvinyl Butyral Resin

  1. Automotive laminated safety glass interlayers (windshields, sunroofs).

  2. Architectural laminated glazing for facades, skylights, and blast-resistant windows.

  3. Photovoltaic module encapsulation films (frontsheet bonding layer).

  4. Acoustic interlayers for noise-reducing laminated glass solutions.

  5. Specialty laminates requiring high optical fidelity and dimensional stability.

Specifications Of Kuraray PVB B-20H Polyvinyl Butyral Resin

Chemical TypePolyvinyl butyral (PVB) copolymer
Product FormPellets
AppearanceOff-white to light yellow free-flowing pellets
Primary ApplicationsSafety glass interlayer, PV encapsulation, acoustic laminates
Key FeaturesHigh adhesion, excellent clarity, thermal stability, humidity resistance
BenefitsImproved lamination yield, reduced delamination risk, enhanced optical performance
Storage ConditionsStore in cool, dry place; protect from moisture and direct sunlight


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