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Addition Molding Silicone Rubber - China

price: contact company for price


Good flowability and long working time

Medium hardness

High tear and tensile strength

Easy de-mould from complex replica parts

Acid and alkali-resistance

Low linear shrinkage


RXD RTV-1300 is suited for reproduction of cement molding, concrete stones, artificial stones, plaster molding, figures, art objects, decoration molding, GRC products, gypsum products, resin products , PU molds. etc..


RXD RTV-1300 mold making silicone rubber is a two-component material silicone rubber, consisting of Part A base silicone and Part B organic tin curing agent, cures at room temperature by a condensation reaction.These materials can be cast into the cured silicone mold:plaster, polyurethane, PU, GRC, cement, resin, polyester, wax etc..

Standard Datasheet of Condensation molding silicone rubber

Gel-type Components A B

Appearance (liquid) transparent

Mixing ratio 10 :1

Viscosity (Pa.s) 80000

Pot life(25C) (mins) 60

Curing time (mins) 24h

Hardness shore A 45

Tensile strength (Mpa) 6.7

Elongation at break (%) 350

Tear strength shore A 25


When stored at or below 30°C in the original unopened containers, SILASTIC RTV-1300 Base and Curing agent have a usable life of 12 months.from the date of production.After 12 months stock, pls use the Stir to mixing the Part A silicone for some mins, then the silicone can be use again, no influence for other performance.


1kg/drum, 5kg/drum, 20kg/drum, 25kg/drum or 200kg/drum of Part A base silicone rubber.

0.25kg/bottle, 1kg/bottle and 10kg/bottle of Part B organic tin Curing Agent.

Company Contact:

  • Phone: 8613421359156

  • Address: 804Room,8F,Tianfuxing Building,Liuxian Road,Minzhi, shenzhen, China

  • Email: Email

Published date: May 16, 2013 -

  • Business Description: Shenzhen Rongxingda macromolecular materials Co.,Ltd established in 1999.which is a manufacturer devoted to researching & developing,manufacturing and selling silicone rubber,located in Longhua Shenzhen. With constant efforts of those years,2012,we established Dongguan Rongxin Silicon Technology Co.,Ltd in Tangxia,Dongguan.
    Our products have obtained ISO,SGS,ROHS and REACH etc certifications.and has been exported to Europe,North America,Southeast Asia and other regions.

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