CMC 29650 and CMC 29651 are fluorosilicone coated polyester films which are often used as a liner for pressure sensitive adhesives. Because of the special highly repellent fluoropolymer coating the material is usually also suitable as a cover for silicone adhesive tapes. However due to the numerous different adhesives available for adhesive tapes the suitability of the material for the respective application should carefully be checked by the end customers themselves.
Property
Value
Substrate material
PET
Colour
colourless
Substrate thickness
ca. 0.050 mm
Density
1.40 g/cm³
Shrinkage MD / TD (machine direction) / (transverse direction) 30 min at 150°C
up to ca. 1.8% / 1.2%
Coating properties
fluorosilicone on one side (CMC 29650)
Type of coating fluorosilicone on both sides (CMC 29651)
Property
Value
Release force based on FTM 10 measured with 3M tape 1280
ca. (5 - 25) g/in
Mechanical properties
Property
Value
Tensile strength
≥ 19 kg/mm²
Elongation at break
ca. (60 - 150)%
Other properties
Property
Value
All information transferred from the original data sheets of our suppliers.
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The technical data are average values and do not replace the user's own testing. Subject to change without notice. The PDF data sheet is binding.