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Siemtcoat® SF501

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Siemtcoat® SF501 is a solventless silicone release coating, suitable for double-sided coated paper, and has stable release force.

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Description

Siemtcoat® SF501
Silicone Release Coating for Double-Sided Coating

Siemtcoat® SF 501 is a solventless silicone release coating, suitable for double-sided coated paper, and has stable release force.

Recommended Formula
A three components
Siemtcoat® SF501 (Base Polymer)
Siemtcoat® 8982 (Crosslinker)
Siemtcoat® 5000 (Catalyst)

Physical Properties

Items Product Grades Silicone Active 
Ingredient (%)
Viscosity
(25℃,mPa.s)
Release Force
(g/25mm)
Subsequent 
Adhesion
Migration
Properties
Key Features Packaging
Thermal Cure, 
Solventless
Siemtcoat® 
SF501
100 400 10-20 90-95 Low Migration Flatter release profile, low misting with high speed
1000Kg/IBC Drum;    
180Kg/ Iron Drum.  

 

Items   Grades Viscosity(25℃,㎟/s)    Key Features Packaging
Crosslinker    Siemtcoat® 8982 35  General product,good balance of cure speed and anchorage  20Kg/Pail; 1Kg/ Bottle
Catalyst    Siemtcoat® 5000 40    High platinum content  20Kg/Pail; 1Kg/ Bottle



Use Cases

Substrate Coating Amount(g/m2) Curing Conditions Release force in agening (70℃/20h,g/inch) (Tesa 7475) Subsequent Adhesion
Internal External Internal External Internal External
PEK 1.2 0.98 120℃, 15s 11 14 89.1 92.3

Test in high temperature and high humidity:
No silicone rub-off after double-sides laminating for 7 days.