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Produkte für Blu-ray Disc

DIC products for Blu-ray Disc

In the market, there are two formats available for Higher Density Optical disc formats - which will be required to record HDTV - , which are Blu-ray Disc and HD-DVD.

DIC has provided some products for Blu-ray Disc which are applicable for two kinds of production processes: Film Bonding method and Spinning method.

Features

Excellent transmittance for blue laser (400 nm)
Different viscosity by production process
For spinning method, extremely low shrinkage on curing
Designed for Silver reflective layer

Technical Information

	EX-8227	EX-8226	EX-741
main design concept	sheet bonding	UV cover coating	hard coat
viscosity	260 mPa/s	3000 mPa/s	18 mPa/s
pencil hardness	-	-	2H
Modulus at 30°C	3000 MPa	900 MPa	1400 MPa
T_g	181 °C	80 °C	no distinct peak
Shrinkage on curing	11.9%	6.3%	11,7%
Transmittance at 400 nm	81% (t50μm)	86% (t100μm)	-