What is PVB Interlayer?

PVB Interlayer for Laminated Glass

Laminated glass is a type of safety glass in which an interlayer film consisted of PVB (polyvinyl butyral) as the main raw material laminated between two sheets of glasses at high temperature and pressure by autoclave.
Our PVB interlayer, S-LEC™ film, is widely adopted all over the world, such as in automotive windshields and architectural glass.

Invisible Strength

S-LEC™ film provides high valuable performance as laminated glass.
・High transparency - Keep clear view.
・Safety - Shatterproof, absorb impact, and prevent penetration.
・Security - Resist the force from a hammer or glass cutter.
・UV Blocking - block out 99% of ultraviolet rays.


  • Design
  • Solar
  • Head-up display
  • Sound
S-LEC™ PVB Interlayer Films are available in a wide range of colors and wide gradient designs with customized options offering more creative freedom in automotive window glass.
Leave discomfort at the curb. S-LEC™ Solar Control Film with fine particle dispersion technologies enables comfortable and efficient vehicle designs for passengers.
14Head-up Display
S-LEC™ Wedge-shaped Film enables highly focussed, visibly clear HUD images for a seamless driving experience.
S-LEC™ Sound Acoustic Film reduces the transmission of exterior noises for the highest level of luxury and comfort on the market.


  • Innovation
  • Technology
  • About us
To integrate latest innovation in S-LEC™ PVB interlayer film for laminated glass we are challenging every day with our partners worldwide.
We offer various PVB interlayer performances like solar control, design, adaptability of Head-up Display(HUD), acoustic, safety, security, and UV blocking.
About us
We are a world-leading PVB interlayer film manufacturer for laminated glass with over 60 years of experience in the automotive and architectural industries.