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UV-Schutzlacke für CD-RW

Key technologies for CD-RW

• Excellent durability
• Excellent adhesion to Al
• Higher pencil hardness (if hard coat layer is required)
• Cost performance

SD-374 is designed for CD-RW to achieve those key technologies.

Some customers require 'hard coating' on Polycarbonate. SD-715 is our UV curable laquer for hard coating on CD-RW and DVD+/-RW.

Technical Information

    SD-374   SD-715
Before curing:        
Color
Viscosity
Refractive Index
Surface tension		   Pale yellow
35 mPA.s
1.511
35 mN/m		   Pale yellow
43 mPa.s
1.480
29 mN/m
After curing:        
Pencil hardness
Tg
Modulus
    30°C
    50°C
    75°C
   100°C
 
Shrinkage on curing		   F - H
69°C
 
1400 MPa
   580 MPa
   200 MPa
   100 MPa
 
8.5%		   2H - 3H
-
 
1700 MPa
1400 MPa
1300 MPa
1200 MPa
 
11.9%