Product Classification

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                                             Deep Heat-Insulation PVB film

Technical      Date      Sheet
ITEMTECHNICAL       INDEX
TEST     TEMPERATURE22 
THICKNESSMM0.38/0.76/1.14/1.52±0.02
THICKNESS DEVIATIONMM≤0.02(0.38/0.76/1.14)
≤0.03(1.52)
LENGTH    DEVIATIONMM0-50
WIDTH DEVIATIONMM0-20
SURFACE      ROUGHNESSμm15-50
DIMENSIONAL STABILITY
≤8%(>0.38mm)
(STORED IN65±1℃ THERMOSTAT ABOUT
15MIN±30SEC)
RESIDUAL VOLATILES%0.35-0.55%
TENSILE    STRENGTHMPA
≥20
TEST SPEED:100±10MM/MIN
GUAGE LENGTH:25±0.25MM
TENSILITY OF PEAK%≥200
TEST SPEED:100±10MM/MIN
GUAGE LENGTH:25±0.25MM
PUMMEL
≥8
(THE LAMINATED GLASS STORED IN
AMBIENT TEMPERATURE-18±1℃,ABOUT 2
HOURS)
TRANSMITTANCE%≥80%
(2MM GLASS+PVB FILM+2MM GLASS)
HAZE%≤0.7%
(2MM GLASS+PVB FILM+2MM GLASS)
Infrared Ray Rejection%≥80
Tested Wavelength:1400nm
AIR     BUBBLE&THREAD
NOT    ALLOWED
DEFECT

TWO DEFECTS IN EVERY 75M ARE
ALLOWED IF DEFECT POINT中≥1.5MM
FIVE DEFECTS IN EVERY 75M ARE
ALLOWED IF DEFECT POINT 0.5MM<中
<1.5MM

POINT DEFECT中≤0.5MM is allowed,dense
existence is not allowed


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