1. ®
CNC-Shield PVB TECHNICAL DATA
CNC-
CHINA CNC-INTERLAYER TECH
Web: www.cncnext.com
Mail: cnc@cncnext.com MSN: benext77@hotmail.com
®
PVB (CNC-Shield , 0.76mm T, Super-
(CNC- Super-
Test Item Test Method
Clear)
TENSILE STRENGTH
CNC LAB METHOD ≥23MPA
(in 20℃, 40%RH)
ELONGATION
ASTMD638 ≥200%
(in 20℃, 40%RH)
DENSITY ASTMD638 1.069g/cm³
HUMIDITY ABSORPTION
CNC LAB METHOD ≤0.55%
(in 20℃, 40%RH)
LIGHT TRANSMITTANCE
(2mm clear float glass+0.76PVB+2mm CNC LAB METHOD ≥88.50%
Clear float glass)
REFRACTIVE INDEX
(2mm clear float glass+0.76PVB+2mm CNC LAB METHOD 1.47-1.50
Clear float glass)
HAZE
(2mm clear float glass+0.76PVB+2mm CNC LAB METHOD ≤0.41%
Clear float glass)

2. UV RADIATION BLOCED RATE
(2mm clear float glass+0.76PVB+2mm CNC LAB METHOD 99%
Clear float glass)
CROSS-LINK RATE
CNC LAB METHOD 82%
(after 135℃ heating, 50mins)
SHRINKAGE RATE
CNC LAB METHOD ≤6.0 %
(in 60℃ for 15mins)
IMPACT RESISTANCE
GB-15763.3-2009 Qualified
(against shot-bag)
BALL IMPACT PEELING RESISTANCE GB-15763.3-2009 Qualified
Note: The above technical data is lately updated on 24 Feb.2012