Product Main

Specifications

Applications of RTV Silicone Rubber for Molding Concrere Products
 
RTV Silicone Rubber for Molding Concrere Products is primarily intended for poly resin crafts,PU crafts,PU resin crafts ,gypsum crafts ,unsaturated resin crafts, lighting and candles crafts ,plastic toy , stationery gifts crafts industry, a large statue Buddha, relievo furniture, furniture decorative materials, statues Buddha, artifacts copied, building decoration materials, large-scale cement mold, artificial fossils Factory,Europe component factory, simulation landscapes, animals and plants sculpture, sandstone crafts and so on.
                           
                  
Features of RTV Silicone Rubber for Molding Concrere Products
 
RTV Silicone Rubber for Molding Concrere Products is white or red flowing liquid with general hardness of 22-50shore A after curing. Molding silicone rubber is a kind elastic silicone rubber mold which features with resistance to deformation, high-temperature, acid-alkali and expansion as well as high reproduction times, good tensile strength ,tear strength and elongation.
 
Product
E-620
E-625
E-630
E-642
      E-647
Appearance
 Translucent
Translucent
 Translucent
Translucent
Translucent
Hardness(shore A)
20±2
25±2
30±2
42±2
47±2
Mix ratio(A:B)
1:1
1:1
1:1
1:1
1:1
Viscocity Part A(mPa.s)
23000±2000
27000±2000
 25000±2000
  30000±2000
35000±2000
Viscocity Part B(mPa.s)
3500±500
3500±500
2400±500
6000±500
3200±500
Tensile strength (kgf/cm2)
38±5
48±5
50±5
65±5
65±5
Tear-strength  (kN/m)
16±2
16±2
16±2
16±2
16±2
Elongation(%)
500±50
500±50
450±50
450±50
450±50
Pot life/working time (mins)
30-40
30-40
30-40
30-40
30-40
Curing time/setting time (hrs)
3-4hrs(25°C)
110-20mins(60°C)
3-4hrs(25°C)
110-20mins(60°C)
3-4hrs(25°C)
110-20mins(60°C)
3-4hrs(25°C)
1 110-20mins(60°C)
3-4hrs(25°C)
10-20mins(60°C)
Shrinkage rate (%)
0.1
0.1
0.1
0.1
0.1
 
Any questions,please feel free to contact Ms Fiona