Free sample Soft liquid silicone rubber for shoe insoles making -

Supplier Details

Dongguan Guochuang Organic Silicone Material Co., Ltd  

Year Established:

Business Type:Business Service

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Operational Address:
No.4 Shichang Street, The 2ND Industrial District Of Xiaobian, Changan Town ,Dongguan China

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Free sample Soft liquid silicone rubber for shoe insoles making

Free sample Soft liquid silicone rubber for shoe insoles making
  • Free sample Soft liquid silicone rubber for shoe insoles making
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Free sample Soft liquid silicone rubber for shoe insoles making Orthopaedic Devices Casting Silicone

Product Details


Free sample Soft liquid silicone rubber for shoe insoles making

Orthopaedic Devices Casting Silicone

1. Description

G-808 A&B are two component silicone elastomers that crosslink at room temperature by polyaddition reaction. The polymerisation can be accelerated by heat. The silicone materials are delivered as two low viscous liquid components, which once mixed and cured, transform into an elastic and resistant material. Polymerisation occurs without formation of heat.

Tire Molding Silicone, Silicone Rubber for Tire Molding China, Silicone Rubber Mold Mix. GC RTV silicone G-8 series are great for tire molding. They have excellent tension and tear strength and flexibility, especially almost zero shrinkage. Best silicone rubber mold mix, silicone rubber for tire molding for hot sale.

2. Applications

Heel cushions,Toe separators,Liners for limb prostheses

3. Features

Very high stretch ability,Sterilisable,Low viscosity,Easy processing - mixing ratio 1 : 1

Technical Data

Characteristics of the non cured product






low viscous liquid



Density [g/cm 3 ] at 23 °C, approx


Viscosity [mPa·s] at 23 °C, approx



Curing conditions: 1h at 80 °C



Hardness Shore A


Tensile strength [N/mm 2 ]


Elongation [%]


Tear strength [N/mm]



1. Mixing the two components The components A and B are mixed by weight in the above indicated ratio. The mixing can be carried out either by hand or using a low-speed electric or pneumatic mixer to minimise the introduction of air and to avoid any temperature increase. It is also possible to use a special mixing and dispensing machine for the two silicone components. Further information is available upon request.

2. Degassing The mixture should be degassed preferably at 30 to 50 mbar to eliminate any entrapped air. If a dispensing machine is used, the two components are degassed separately prior to mixing. The silicone mixture expands to 3 to 4 times of its initial volume and bubbles rise to the surface. The bubbles progressively disappear and the mixture returns to its initial volume after 5 to 10 minutes. Wait a few minutes to complete the degassing and then flash the vacuum. The silicone is ready for pouring, either by gravity or under low pressure. Note: Flashing the vacuum once or twice accelerates the degassing. It is recommended to use a container with a high diameter / height ratio.

3. Polymerisation The system polymerises at 23°C. The curing may be slowed down at lower temperature and contrary accelerated by heat. Contact with certain materials can inhibit the crosslinking. See list below:

• natural rubbers vulcanised with sulphur

• RTV 2 silicone elastomers catalysed with metal salts, e.g. tin-compounds

• PVC stabilised with tin salts and additives

• epoxy resins catalysed with amines

In case of doubts, it is recommended to test the substrate by applying a small quantity of the mixed silicone on a restricted area

5. Package

Part A:1kg/drum; 20kg/drum;25kg/drum;200kg/drum.

Part B:1kg/drum; 20kg/drum;25kg/drum;200kg/drum.

6. Storage and shelf life

When stored in their original unopened packaging, at a temperature of between -10°C and +30°C, the RTV GC-808 A & B can be stored for 12 months from the date of manufacture clearly marked on the packaging. Beyond this date, GC Silicone no longer guarantees that the products meet the sales specifications.

Company Profile

GUOCHUANG SILICONE CO., LTD. has manufactured condensation cure (tin-catalyzed) and addition cure (platinum- catalyzed) RTV-2 (Room Temperature Vulcanized - 2 components) silicones since 2003. We have the formulating and manufacturing expertise to produce custom RTV-2 silicones for a variety of applications.  We have earned a sterling reputation for innovation, quality and consistency in a wide range of industries, and we have products such as rtv 2 silicone rubber, RTV molding silicone rubber, silicone moulding rubber.

RTV-2 silicone rubber is used primarily in the mold-making industry. Silicone molds are durable, simple to construct and use, and suitable for most casting materials.

RTV-2 silicone rubber is used in the electronics industry for potting and encapsulation. Silicones used to encapsulate electronic parts must maintain their properties over a wide range of temperatures and environmental conditions.

RTV-2 silicone rubber is used in the movie, entertainment and special effects industry to create scenes and characters that come alive on the big screen, television and in theme parks.  Soft “skin” silicone rubbers, used by make-up and Fx artists, were developed specifically at the request of special effects studios.

GUOCHUANG's collective mission is to design and manufacture the highest-performance line of liquid silicone rubbers and related casting products and to provide our customers with unmatched, industry-setting technical support and customer service. In doing so, we are committed to helping our customers realize the greatest value from the use of our products and resources.


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