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20 Shore A Tin Cure Moulding Silicone Liquid Rubber RTV2 Resin Crafts Mold Making

Categories Silicone Liquid Rubber
Brand Name: MC silicone
Model Number: MCSIL-2020
Certification: MSDS,SGS
Place of Origin: China
MOQ: 100kg
Price: Negotiable
Payment Terms: L/C, D/P, T/T, Western Union,
Supply Ability: 4000kg per day
Delivery Time: About 3-5 working days
Packaging Details: 25kg/kg, 550kg per pallet, 20 pallets per 20ft container
Goods Description: Silicone in Primary Forms
HS Code: 39100000
Cure Type: Condensation Cure liquid Silicone Rubber
Color: White, (custom color) liquid Silicone Rubber
Viscosity: 22000 cps liquid Silicone Rubber
Mix Ratio: 100:2 liquid Silicone Rubber
Working time: 30-40 minutes
Curing Time: 4-6 Hours
Hardness: 20 shore A liquid Silicone Rubber
Tensile Strength: 3.8Mpa
Tear strength: 25N/mm
shelf life: 12months
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20 Shore A Tin Cure Moulding Silicone Liquid Rubber RTV2 Resin Crafts Mold Making

20 Shore A Tin Cure Moulding Silicone Resin Crafts Mold Making RTV2 Liquid Silicone Rubber


Product Description

Silicone liquid rubber is is generally named as two-part room temperature sulfurated silicone rubber, which features an exceptional fluidity and good operability. When mixed with 2% curing agent, they can still be operated within 30 minutes, but will be formed after 4-6 hours. With resistance to deformation, high temperature, acid and alkali, and expansion.


Typical Properties of RTV-2 silicone liquid rubber


Item No.

Properties before curingCuring
Part APart BPart A+ Part BPot life at 250C

De-molding Time

at 25℃

AppearanceAppearanceRatioViscosity

MCSIL-2020

silicone rubber

WhiteClear100:222000±2000 cps30-40 mins4-6 hours
Properties after curing 24 hours

Hardness

Shore A

Tear strengthTensile StrengthElongation break (%)Linear Shrinkage
2028-30 N/mm3.8 Mpa450-5000.2-0.4%

Various Applications of silicone liquid rubber

Various Applications of Silicone Liquid Rubber

Architectural Restoration
Concrete Casting
Gypsum Decorations
Resin Arts and Crafts
Candle and Soap
Staute & Scupltures
Wax Casting


Features of RTV-2 silicone liquid rubber

(1) high tensile & tear strength
(2) Low linear shrinkage
(3) free Curing agent
(4) brushing & pouring
(5) high duplication times




Operation Instructions of Silicone Liquid Rubber


Correct mixing ratio
Component A is silicone rubber, and component B is curing agent or vulcanizing agent. Usually the mixing ratio will be 2-3%, e.g. to 100g silicone rubber should be added 2g catalyst and then mix them thoroughly. (Note: the weight of the silicone and catalyst should be weighed correctly).

Pouring the mixture and curing

Pour the misxed Part A base silicone and CA-30 curing agent as soon as possible onto the original,avoiding air entrapment.The catalyzed material will cure to a flexible rubber within 6 hours(or faster by different mixing ratio or room temperature),we advice you de-mold after 24 hours ,it is will improve the replicate times of silicone mold.


Package of RTV-2 Silicone Liquid Rubber

Part A base silicone: 25kg/drum or 200kg/drum
Part B CA30 Curing Agent: 800g/bottle, 1kg/bottle



Storage & Shelf life

When the silicone rubber is stored at or below 25℃ (77℉) with the original unopened containers, Silicone Base and Curing agent have a usable life of 12 months from the date of production. After 12 months stock, please use the Stir machine to mix the Part A silicone for some minutes, then the silicone can be used again, no influence for other performance.


Quality 20 Shore A Tin Cure Moulding Silicone Liquid Rubber RTV2 Resin Crafts Mold Making for sale
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