RTV-2 Silicone Rubber for Casting
Product Description
RTV-2 Silicone Rubber for Casting description
RTV-2 Silicone Rubber for Casting is white or red flowing liquid with general hardness of 22-50A°after curing. Molding silicon rubber is a kind elastic silicon 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.
Features of RTV-2 Silicone Rubber for Casting
1. resistance to deformation, high-temperature
2. high reproduction times
3. good tensile strength
4. exceptional fluidity and good operability.
Standand datasheet of RTV-2 Silicone Rubber for Casting;
|
Model
|
Color
|
Mixing ratio (%)
|
Pot life (mins)
|
Demould
time
( hrs)
|
Hardness ( A0 )
|
Tensile-strength (kgf/cm2)
|
Tear-strength (kgf/cm)
|
Viscosity
(cps)
|
Shrinkage
rate (%)
|
Elongation
(%)
|
|
638#
|
white
|
100 : 3
|
30
|
5-10
|
38
|
≥ 38
|
≥ 28
|
34000-36000
|
≤0.3%
|
380%
|
|
630#
|
white
|
100 : 3
|
30
|
5-10
|
30
|
≥ 47
|
≥ 35
|
28000
|
≤0.3%
|
430%
|
Frequently asked questions of RTV-2 Silicone Rubber for Casting:
Why does the silicone rubber mold have few molding times?
The silicone rubber mold has few molding times is due to follwoing reasons: adding too much silicone oil which will destroy the molecular of silicone rubber; making the mold for small and fine detailed products with higher hardness silicone rubber which is easy to break; making the mold for large products with soft silicone rubber which will reduce the tensile and tear strength of the mold, and the mold will have deformation. Thus, we should take the proper silicone rubber to make the mold for suitable products.
Any questions of RTV-2 Silicone Rubber for Casting , please feel free to contact Aaron:
TEL: 086-755-89948006
FAX: 086-755-89948030
MOBILE:086-13622300503
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