klare PVB

Due to our excellent quality of products and integrity of the services, so our products have been long-term favored by the customers form more than 20 countries and regions. Southeast Asia, the Middle East, South America, South Africa, and so on . After 8 years’ development, now ourPVBis widelyused in the manufacturing of automotive windshield and architectural safe glassand enjoy a good reputation in international market.And the technical parameter of our products is as follow: (1)Thickness:0.38mm/0.45mm±0.02mm, 0.76mm±0.03mm (2)Homogeneous Degree: within 25mm less than or equal to 0.01mm, within50mm less than or equal to 0.02mmtotal homogeneous less than0.04mm (3)Appearance:colorless or micro yellow translucent film with level off, no crease, no nick (4)Width deviation:+5mm (5)Degree of moisture: 0.4-0.6% (6)Degree of fog: less than or equal to 0.3% (7)Light Transitivity: more than or equal to 81% (8)Bonding strength: more than or equal to 8.0mpa (9)Tensile strength: more than or equal to 20.0mpa (10)Elongation At Breakage: more than or equal to 200% (11)Constriction coefficient: (60 centigrade/15min)more than 12% (12)Moisture & Heat Resistance: test 6 hours under 60 centigrade ±2 centigrade and 91%-99% moisture , there should be no obvious change of the appearance , no bubble , no degumming. (13)Fastness To Light: Put the PVB at 230mm to 750w quartz lamp and continuously irradiate 100 hours by it, there should be no obvious change of the appearance, the drop rate of its light transitivity should be no more than 5% (14)Maximal Width: Clearfilm 2440mm Color band 1850mm(430mm band width) Color & white 2440mm