Transmittance >88.5 % (Note 1)
Refractive Index 1.47-1.50 (Note 1)
Tensile Strength >20 MPa (Note 2)
Tensility of Peak >200 % (Note 2)
Moisture 0.35-0.55 % (Note 3)
Ration of shrinkage <6 % (Note 4)
Test of strike 3-9 (Note 5)
Deviation of width expected value10
Safety : Because PVB film is tough and strong adhesive, Bisn PVB interlayer can not be easily ruptured. When the glass is broken, its fragments are bound solidly to PVB film. Compare with other kinds of glass, it has more capability such as quakeproof, anti-theft, bulletproof, blast-resistance etc.
Sound Insulation: Tough PVB film can well damp sound waves and enable insulated glass effectively hinder sound transmission and definitely lower environmental noise.
Ultraviolet resistance: PVB film may shield 99% of ultraviolet; may protect indoor furniture and goods against ultraviolet. Augmenting aesthetic feeling to construction decoration. PVB film has many kinds of color to be chosen, at the same time it can be sandwiched many kinds of vignette such as silk, thin silk, paper etc.