1. Silicone rubber for gypsum mold making application:
RTV silicone can be used for production of different sizes of plaster moulds,stone moulds,resin moulds,polyresin moulds,PU resin moulds,wax moulds,stone moulds ,epoxy moulds,acrylic moulds,polyester moulds making
A. Decorative items: cornices moulding ,columns moulding,ornaments moulding,statues molding…..
B. Casting of funiture and decoration crafts molding
C. Construction: prefabrication of decrative features molding,pavement molding,paving stone moulding,urban
furniture molding,concrete products molding
D. Soap moulding,candles crafts moulding,toys moulding,sculpture moulding
2. Silicone rubber for gypsum mold making of TDS:
Model
630#
Appearance
white
Mixing ratio (%)
5%
Operating time ( hours )
30~40
Curing time( hours )
3~4
Hardness (A°)
30
Density ( g/cm 3)
1.08
Viscosity (25 C°,mPa.s)
22000~ 24000
Tensile-strength
( kgf/cm2 )
40
Tear-strength (kgf/cm )
25
Elongation-break(%)
≥ 420
Retractility(%)
≤0.25
3. Silicone rubber for gypsum mold making main features:
1. Good characteristics of easy-operation
2. Light viscosity and good flowability
3. Low shrinkage
4. Excellent tensile and tear strength
5. Favorable hardness
6. High temperature resistance, acid and alkali-resistance and ageing resistance
7. High duplication times
4. Silicone rubber for gypsum mold making frequently asked question:
Why does the silicone molds appeared striately and unsmoothly?
It is because the appearance of the product or the model itself is not perfect, and it has not been polished before the further operation. So when you make silicon molds, firstly you should polish the product, spray the mold spray evenly on the product. In this case, the problem can be avoided.
To recommend suitable product for your application, we would be much appreciated to have your following information:
1. What is the material of your product?
2. What is the size of your product?
3. How do you make silicone mold, by pouring or brushing?
Any questions of Silicone rubber for gypsum mold making, please feel free to
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Post time: Jun-27-2017