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

Sekisui S-LEC PVB BX-L Polyvinyl Butyral Resin

Sekisui S-LEC PVB BX-L is a high-clarity, hydrolysis-resistant polyvinyl butyral resin from Sekisui’s premium S-LEC series, engineered for automotive laminated safety glass and architectural interlayers. It offers superior adhesion, UV stability, and consistent melt flow—ensuring optical quality and impact performance in demanding applications.
  • sekisui s lec pvb bx l polyvinyl butyral resin_6ee5ad8a
  • sekisui s lec pvb bx l polyvinyl butyral resin_6ee5ad8a

Features Of Sekisui S-LEC PVB BX-L Polyvinyl Butyral Resin

  1. Optimized for high clarity and exceptional optical transparency in laminated safety glass applications.

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

  3. Excellent thermal stability and consistent melt flow behavior during autoclave lamination processing.

  4. Low yellowing tendency under UV exposure, ensuring long-term color stability in architectural and automotive glazing.

  5. Controlled moisture absorption profile, minimizing interlayer haze and delamination risk in humid environments.

Typical Applications Of Sekisui S-LEC PVB BX-L Polyvinyl Butyral Resin

  1. Automotive laminated windshields and side windows.

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

  3. Security and blast-resistant glazing systems.

  4. Solar photovoltaic (PV) module encapsulation layers.

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

Specifications Of Sekisui S-LEC PVB BX-L Polyvinyl Butyral Resin

Chemical TypePolyvinyl butyral (PVB) resin
Product FormFree-flowing white granules
AppearanceOff-white to light yellow, uniform granular solid
Primary ApplicationsLaminated safety glass interlayer
Key FeaturesHigh adhesion, low haze, UV stability, controlled viscosity
BenefitsEnhanced optical performance, reliable lamination yield, improved durability
Storage ConditionsStore in cool, dry place; protect from moisture and direct sunlight
ComplianceMeets ISO 12543 and EN 356 standards for PVB interlayers


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