High Quality Liquid Rtv Silicone Rubber Molding Silicone For Shoe Sole Mold Making,shoe Sole Molding

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Shenzhen Rongxingda Polymer Material Co.,Ltd

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Contact: rongxingda(Mr.)  

Email: info@rx-si.com

Telephone: +86-755-29815831

Phone: 15217791777

Area: Beijing

Address: Beijing

Website: http://www.rx-si.com/ http://rongxingda.cn-jingyun.com/

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Place of Origin: Guangdong China (Mainland) Brand Name: RXD Model Number: RTVS15
Color: White Hardness: 15±2 A Viscosity: 12000 ±2000
HS code: 3910000000 Sample: Availabe Application: Mold Making Materials
Material: 100% Silicone Certificate: RoHS.MSDS.SGS ISO9001:2000 Payment: T/T,paypal,western union
Shelf life: 1 Year

Product Description

condesation silicone rubber with tin catalyst

Condensation tin cure molding silicone rubber,Tin-based silicone,also called condensation-cure silicone,are two-component materials which cure at room temperature (RTV) to flexible,high tear-strength rubbers.Tin cured silicone can be poured onto models or they can be made brush-able by adding a Thixotropic additive.They are ideal for molds where easy release or high temperature resistance is required.


Product data

Item No. RTVS15
Color White
Hardness (shore A) 15 ±2
Tear strength (KN/m) >18
Tensile strength(Mpa) >2.5
Elongation break (%) >450
Linear shrinkage (%) >0.3
Mixing ratio (%) 100:3
Working time (mins) 30-40
Curing time (hrs) 6-8

How to make molds

Preparing the Model

Porous surfaces, such as wood, should be dried and sealed. Also applying a release agent, such as petroleum jelly will aid in easy release of a silicone mold. Because silicone can sometimes bond to surfaces which contain silica, such as glass, cements and natural stone; it is recommended to do a spot test for possible adhesion.

Mixing instrustions

This material can readily accept pigments.Stirring individual components before use is recommended. Make sure to weigh and measure accurately. Close containers tightly after use. Products should be stored in their original, sealed containers in an environment that does not exceed 90℉. Under these conditions, the product will achieve the expected shelf life.

The following procedure is an example of a 100:3 mix ratio addition cure product. Please refer to the product’s technical sheet for mix ratio information:

Mixing: Charge 100kg by weight of “Part A” and 3kg by weight of “Part B” into a clean, compatible metal or plastic container. The volume of the container should be 3-4 times the volume of the material to be mixed. This allows for expansion of the siloxane material as it de-gasses.

Mix thoroughly by hand or with mixing equipment while minimizing air entrapment until a homogeneous mixture is obtained. This will occur when the material takes on a uniform color with no visible striations. Scrape the sides and bottom of the container thoroughly several times while mixing. Once mixing is complete it is recommended that the material be de-aired 2-3 times by intermittent evacuation for a few minutes to minimize any imperfections due to bubbles in the cured material. Typically after releasing the vacuum 2-3 times the mass will collapse on itself at which time the vacuum should be left on only 2-4 minutes longer.




Our Company

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Dongguan Rongxin Silicone Technology CO.,Ltd

Factory add:NO.16,Tianxin Industry Zone,Tangxia,Dongguan,Guangdong Province ,China

Branch Company in Shenzhen :

Shenzhen Rongxingda Polymer Material Co.,Ltd

Office add:804Room,8F,Tianfuxing Building,Liuxian Road,Minzhi,Longhua District ,Shenzhen,China

Branch Company in HongHong:

HONGKONG Rongxingda Trading Limited

Office add:Room 01,21/F,Prosper Commercial Building,9Yin Chong Street,Kowloon,HK

Contact Person:Mysinely Zhang/sales manager


E-mail:mysinely(at)rtv-2.net/mysinely(at)rtv-2.comTel:+0086 -0755 -29815831  ext.804QQ:2355425286

If any questions,please contact us as follow:complaints(at)rtv-2.comservice(at)rtv-2.com


Selling Units: Single item
Single volume: 1 cm3

Single gross 


1.0 KG
Package Type: package:1kg/bottle. 5kg/plastic bucket 10kg/plastic bucket 20kg/plastic bucket 25kg/metal drum 200kg/metal drum