ZC 20-120
Italy
It is a condensation crosslinked silicone rubber produced in Italy at the Zhermack plant.
Application – production of casting molds for casting products from concrete, ceramics, wax and various polymer resins. It is positioned as a more budgetary analogue of the ZA 22 Mold silicone.
Specifications:
- Low viscosity and excellent fluidity of the mixture
- Curing at room temperature
- Life time 90 minutes
- Setting time 24 hours
- Full polymerization 48 hours
- Hardness 20-22 Shore A
- Excellent elasticity, high tensile strength
- Resistant to high temperatures and aging
- Linear shrinkage less than 0.05%
- Excellent reproduction of fine details
- Long service life of molds
Characteristics
Base color
White
Basis density
1.19 g / cm 3
Base Viscosity (Brookfield)
25 000 сР
Catalyst color
Transparent
Basis: catalyst ratio
100: 5 by weight
The lifetime of the mixture at 23 o C
90 minutes
Setting time of the mixture at 23 o С
24 hours
Complete polymerization at 23 o C
48 hours
Tensile strength
2.5 N / mm 2
Elongation at break
350%
Abrasion resistance
18 N / mm
Hardness
20-22 Shore A
