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The RTV 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.
Why does the silicone rubber mold have few molding times?
Frequently asked questions of RTV moulding silicone rubber
(Note: our company does not recommend you to add silicone oil. If a special soft silicon mold or fine detailed and complex patterns products are required, 5%-10% silicone oil can be added to soften the mold for easy demould.)
If the customer wants to make large products and large size molds, the mold should be made of silicon rubber with high hardness. On the contrary, if the mold with fine and precision patterns, it should be made of silicon with low hardness. The amount of the curing agent depends on the actual requirements of the customer. If molds requiring fast drying and demould, more curing agent is needed; contrarily, if molds requiring slower drying and demould, less curing agent is needed.
RTV Silicone rubber for mold making operations
RTV Silicon rubber for mold making is white or red flowing liquid with general hardness of 22-50A
RTV Silicon features: 1) For mold making, for pad printing. 2) high tensile, tear-strength.3) low shrinkage 4) non-deformation
Delivery Time: | 3 days after payment |
Package: | 25kg ,200kg per pail |
Supply Ability: | 8 Ton per Day |
Minimum Order Quantity: | 100 Kilogram |
Payment Terms: | L/C,T/T,Western Union |
Port: | Shenzhen |
FOB Price: | US $5.95 - 7.65 |
Colour: | White |
Density: | 1.09g/cm 3 |
Model Number: | Rtv silicone 638#,728# |
Brand Name: | Hong Ye silicone |
Place of Origin: | Guangdong China (Mainland) |
Model Color Mixing ratio Pot life (mins) Demouled time (hrs) Hardness(A0) Tensile-strength (kgf/cm2) Tear-strength (kgf/cm) Viscosity (cps) Elongation (%) HY-E625 translucent 1 : 1 30-60 4±1 25±2 35±2 25±2 6000±3000 ≥400 HY-E630 translucent 1 : 1 30-60 4±1 30±2 40±2 ...
HY-605 is a kind of room temperature vulcanized silicone rubber incondensationtype.It’sgenerally named astwopart silicone rubber ,Part A is a flowable liquid, part B is the curing agentor catalyst . It’s mainly used for mold making . HY-605 silicone rubberisusedformaking ...
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RTV molding silicone rubber for plaster products with 30 shore A, is specially suitable for plaster decoration duplication,gypsum sculpture reproduction,duplicating resin product with fine details,PU resin reproduction,wax molding,stone duplication ,epoxy moulds,pacrylic ...
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Characteristics An exceptional fluidity and good operability, easy to demold Good tensile and tear strength Outstanding bubble releasing Non-deformation Low shrinkage Aging resistance ,high temperature resistance (200℃) Environmentally, food-grade Warm tips : 1.As ...
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HY-Q640 Addition Cure Mold Making Silicone Rubber Description HY-Q640 is a kind of two part silicone rubber in addition cure or platinum cure type with mixing ratio of 1:1 or 10:1 . It can cure at room temperature as well as under heat . It’s a kind of food grade ...
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