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Silicone Rubber (75)
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Addition Type Pouring Sealant Circuit Board Potting Silicone Rubber

FOB Reference Price:Get Latest Price
US $4.9 - 7.8 / Kilogram | 200 Kilogram/Kilograms (Min. Order)
Supply Ability:
8 Ton/Tons per Day at least
This supplier also supports L/C,T/T,Western Union payments for offline orders.

Quick Details

Place of Origin:
Guangdong, China (Mainland), Guangdong, China (Mainland)
Brand Name:
Hong Ye silicone rubber, Hong Ye silicone rubber
Model Number:
E642 Circuit Board Potting Silicone Rubber
any color
4% for free charged
HS code:

Packaging & Delivery

Packaging Details: Circuit Board Potting Silicone Rubber package: 25kg/drum and 200kg/drum
Delivery Detail: within 3 days after your payment confirmed in our bank

Description of Addition Type silicone rubber


addition molding silicone is generally named two-component silicone rubber, Part A and part B. It features an exceptional fluidity and good operability. The mixing ratio is 1:1, mainly be suitable for making molds application.

 addition cure silicone rubber is mainly used for molds making for food grade products. And it is also develop to solve the problem of not lighting of the candles and the problem of sticky and white stains on the surface of cement & stone products.


Applicationsof Addition Type silicone rubber


addition molding silicone could be mainly used for making concrete stones, precision molds, PU molds, resin molds, gypsum casting, candle molding,for life casting, fabric finishing, seal for electronic components and solar circuit board, trademark decoration. etc.


FEATURES of Addition Type silicone rubber


1. Two-parts, flowable liquid silicon & curing agent.

2. Can solve the problem of not lighting of the candles and the problem of sticky and white stains on the surface of cement & stone products.

4. It gets cured at room temperature 25 0C within 5-7 hours.

5. An exceptional fluidity and good operability, easy to be demolded.

6. Suitable for pouring methods of operation for small sized molds making. 




2Appearance: Semi Transparent

3Mixing Ratio: 1:1

4Viscosity part A (Mpa.s): 20000±2000

5Viscosity part B (Mpa.s): 3500±1000

6Viscosity mixed(Mpa.s): 8200 ±2000

7Operating time ( Mins 25C): 20-40mins

8Curing time ( Hrs 25C): 2~3hrs

9Hardness (A°): 42±2

10Tensile-strength(kgf /cm2 ): 60±5

11Tear-strength (Kgf/cm ): 11±3



14Packing (kg/pail ): 20kg/drum,200/drum


OPERRATING INSTRUCTION of Addition Type silicone rubber


1. Stir part A and part B with right mixing ratio (1:1) evenly. And get the mixture for vacuum-pumping. (If there is no vacuumizer, you can just pour the mixture slowly from the corner so that less bubbles caused)

2. Enclose the product (the original model) with four plastic plates or wooden plates.

3. Clean your products and brush a layer of release agent (detergent or soap water) on your product.

4. Pour the mixture with correct mixing ratio into the model frame.

After about 2-4 hours, when the silicone cured, get out the original model, and there you get a finished addition cured silicone mold.


Twelve (12) months from date of shipment when stored at 24°C in original unopened packages. 

PACKAGE:  Packed in clean 20kg/pail+20kg/pail,  200kg/pail+200kg/pail


Need any help on silicone rubber, please feel free to Contact to Cherry:

E-mail: hyjc(at)szrl(dot)net 
Skype: hyjc(at)szrl(dot)net

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