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Contact: Bella
Company: Dongguan Guochuang Organic Silicone Material Co.,
No.4 Shichang Street, The 2ND Industrial District Of Xiaobian, Changan Town ,Dongguan China
Dongguan 523000
China
Phone: 8676985303932
Fax: 8676987029161
E-Mail: Send Inquiry
Date/Time:  10/11/18 6:25 GMT
 

Factory price rtv2 silicone rubber for crafts molding

Factory price rtv2 silicone rubber for crafts molding
Crafts Molding Silicone
1.Description
A number of custom, Do-It-Yourself craft and hobby projects can be completed
with
the help of GC Silicone molding materials. Any decorative object (e.g., resin
jewelry, model trains, custom tiles, small figurines, wall art, much more) can
be
molded using silicone or polyurethane mold rubber and then replicated in any
number
of materials, including plastic, concrete, plaster, foam and more.
Popular mold making silicone rubber is C-820 and C-825, which is at in-cured
silicone rubber with a 100A:3B mix ratio; measure with a digital scale.
2. Technical Datasheet
Typical general characteristics  Inspection Method Value
Product data (Catalyzed A+B) C-820 C-825
Hardness Shore A 20±2 25±2
Mix Ratio A:B 100:3 100:3
Color / White White
Pot life 25 °C (77F) 30-40mins 30-40mins
Curing time 25 °C (77F) 3-4 hours 3-4 hours
Mixed viscosity mPa.s 16000±1000 20000±1000
Tear-strength kg/cm 20±2 22±2
Tensile-strength M.pa 3.6±0.5 4.0±0.5
Elongation % 400±50 450±50
Shrinkage % ≤0.3 ≤0.3
Note: This is a 100A:3B mix ratio product that must be measured by weight. The
choosing of suitable hardness should be according to the size and pattern
design of
the products. If large products and therefore multiple-piece molds are needed
by
customers, silicone rubber with higher hardness will be required for the molds.
Conversely, soft silicon is indispensable for molds with complicated pattern
and
delicate details. The amount of curing agent admixture depends on the actual
need
of customers. More will be added for speedy drying and fast release and less
when
otherwise.
Factory price rtv2 silicone rubber for crafts molding
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