Description
(1)Thickness: 0.*8mm/0.*5mm± 0.*2mm ,
0.*6mm± 0.*3mm
(2)Homogeneous Degree: within
*5mm less than or equal to 0.*1mm , within*0mm less than or
equal to 0.*2mm total homogeneous less than0.*4mm
(3)Appearance: colorless or micro
yellow translucent film with level off, no crease, no
nick
(4)Width
deviation:*5mm
(5)Degree of moisture:
0.**0.6%
(6)Degree of fog: less
than or equal to 0.3%
(7)Light Transitivity: more than
or equal to *1%
(8)Bonding strength: more than
or equal to 8.0mpa
(9)Tensile strength: more
than or equal to *0.0mpa
(*0)Elongation At Breakage: more
than or equal to **0%
(*1)Constriction
coefficient: (*0 centigrade/*5min)more than *2%
(*2)Moisture & Heat
Resistance: test 6 hours under *0 centigrade ±2 centigrade and
*1%**9% moisture , there should be no obvious change of the
appearance , no bubble , no degumming.
(*3)Fastness To Light: Put the
PVB at **0mm to **0w quartz lamp and continuously irradiate **0
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%
(*4)Maximal Width:
Clear film
***0mm
Color
band ***0mm(**0mm
band width)
Color
& white ***0mm
