Silgum LF is an RTV silicone rubber that cures at room temperature with only 5 % catalyst, producing flexible moulds (380 % elongation) able to withstand deep undercuts. It captures every detail without release agents and suits polyester or polyurethane resins, plaster, wax, cement, model making, restoration, fine arts, professional decoration and light engineering.
Key features
No release agent needed
30 Shore A hardness for easy demould
Ultra-fine detail reproduction
Compatible with many casting materials
Heat resistance up to 150 °C
Technical specifications
Catalyst ratio: 5% by weight
Physical: density 1.25 g/cm³; viscosity 35 000 mPa·s
Mechanical: hardness 30 Shore A; elongation 380 %; tear strength 18 kN/m
Times: working time 30–60 min at 25 °C; demould 24 h
Temperature resistance: up to 150 °C
Instructions of use
Combine component A with component B respecting the catalyst ratio
Mix for 5 minutes, scraping bottom and sides thoroughly
Wait 2 minutes before pouring