double color automotive grade PVB Film for car windshield
laminated glass is widely used in automotive and architectural. In
the field of automotive glass,PVB film is the main material to
produce windshield; Also PVB film has wider range usage in the
field of architectural glass,such as construction wall,cover
grid,show wind,bank counter,screen of steel-smeding furnace and
different bulletproof glass and so on
Use laminated glass can make car more safe and better sound
insulation.
Automotive PVB Film Paraments:
Roughness RZ,µm:15-70
Moisture content(%):0.35-0.55
Heat shrinkage rate(%):<=8.0
Pummel value,rank: 3~7
Visible light transmittance(%): >=80
Haze(%): <=0.4
Tensile strength(MPa): >=20
Tensile elongation(%): >=200
Yellowness index(%): <=10
Packaging:
Every layer of PVB film rolls should be sepatared by PE film and
vacuumed by aluminum foil,and put into wooden case.
The product should be stocked in a clean warehouse and normal
temperature.It is prohibited to leave it under direct sunlight.Once
the packing is broken or opened,it should be stocked under
temperature of 15-25 ℃ and a relative humidity of 20%-40%.
