Gold Member Since 2008
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Shenzhen Hong Ye Jie Technology Co., Ltd.

Tin Cure Silicone, RTV-2 Condersation Molding Silicon, RTV-2 Tin Catalyst Silicone manufacturer / supplier in China, offering Molding Silicone Rubber for Gypsum Products Making with High Tear Strength, RTV Rubber for Plastic Products Molding, Silicone Rubber for Concrete Flower Pot Molds and so on.

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Molding Silicone Rubber for Gypsum Products Making with High Tear Strength

This product is currently unavailable, but you may contact the supplier directly, for further interest.
Basic Info
  • Model NO.: HY625 silicone for gypsum
  • Appearance: Liquid
  • Mixing Ratio: 100:5
  • Pot Life/Working Life: 30-40 Minutes
  • Curing Agent: 4% for Free Charged
  • Sticker: Available
  • Brand Name: Hong Ye Silicone Rubber
  • Specification: MSDS, ROHs, SGS, ISO-9001
  • HS Code: 39100000
  • Material: Silicone Rubber
  • Type: Condensation Silicone Rubber
  • Color: White
  • Curing Time: 3-5 Hours
  • Certifications: RoHS, MSDS, SGS, ISO9001:2000
  • Sample: Available
  • Trademark: Hong Ye silicone rubber
  • Origin: Shenzhen
Product Description

Tin Cure Silicone Rubber applications
RTV-2 Tin Catalyst Mold Silicon Rubber  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.
Molding Silicone Rubber for Gypsum Products Making with High Tear Strength

Tin Cure Silicone Rubber features
RTV-2 Tin Catalyst Mold Silicon Rubber  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.

Tin cure Silicone Rubber operations
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.

(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. )
Molding Silicone Rubber for Gypsum Products Making with High Tear Strength

Frequently asked questions of Tin Cure Silicone Rubber

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.

Model          635#             630#625#620#
Mixing proportion of curing agent (%)5%5%5%5%
Operating time (mins 25 0C )40~7060~9040~7030~50 
Curing time(hours 25 0C)4~75~74~73~5
Hardness (A°) 35±230±225±220±2
Viscosity (Mpas -25 0C)30000~3800027000~3200017000~1900012000~14000
Tear-strength (KN/m)              ≥30≥30≥27≥32
Elongation-break(%)≥420≥440 ≥440 ≥420
Linear Shrinkage (%)≤0.3≤0.3≤0.3≤0.3

Any questions, pls contact Lydia:
Mob: 008618988789546
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