200 - 40,000 kilogram
40,001 - 999,999 kilogram
group nameRTV-2 silicone rubber for molds making
Min Order200 kilogram
brand nameHong Ye silicone rubber
modelHY-728,620# ,625#,628#, 728# silicone rubber
payment methodT/T, L/C, Westem Union
update timeTue, 05 Nov 2013 11:29:01 GMT
Certification SGS,MSDS,RoHS
HARDNESS 18-40A
Mixing Ratio 2%
Type silicone rubber
Appearance Fluid
Application Mold making materials
Certificated RoHS, Reach, MSDS,SGS.ISO9001:2008
EINECS No 39100000
Purity 100%
Min Order200 kilogram
Name:HY-728 Mould Silicone Rubber for mold making of crafts in medium size
Usage :
For the duplication and mold making of glass crafts, lighting, candle, culture relics duplications.
Description of Mould Silicone Rubber for mold making of crafts in medium size :
HY-728 moldingsilicone is mainly used for toy gifts and craftwork gifts with the advantages of good tensile strength, high tear strength, high temperature resistance, high duplication times and repeated use, etc. It is suitable for small products or fine and precision products which is difficult to demould. This molding silicone is one of the products with the highest use level in the production of craftwork gifts and the shrinkage is up to 2‰.
Molding silicone applications:Poly technique, lightings, candles, and molds in multiple pieces for large products.
Operation Instruction for RTV-2 Molding Silicone Rubber:
The product is white or red flowing liquid with general hardness of 26—30A°after curing . If the customer wants to make large products and large size molds, the mold should be made of silicone 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.
(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.)
The proportions and reactions of the curing agent and the silicon are listed as follows:
1. Adding curing agent 1%, themoldingsilicone can still be operated within 2.5 hours and can be demoulded after 6-8 hours.
2. Adding curing agent 2%, the molding silicone can still be operated within 50 minutes to 1 hour and can be demoulded after 2-3 hours.
3. Adding curing agent 3%, the molding silicone can still be operated within 28 - 30 minutes and can be demoulded after 1.5-2 hours.
4. Adding curing agent 4%, the molding silicone can still be operated within 10 - 15 minutes and can be demoulded after 1 -1.5 hours.
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