HOT! RTV Mold Making Silicone Rubber for Concrete Molds

RTV Mold Making Silicone Rubber for Concrete Molds

Usage of RTV Mold Making Silicone Rubber for Concrete Molds

rtv mold making silicone rubber for PU/poly resin, unsaturated resin, plaster, candles and gypsums crafts, toys, soap, statuary ,concrete product mol making,etc. 
  

Advantages of RTV Mold Making Silicone Rubber for Concrete Molds

A. Shore A from 15 to 40 hardness

B. Good fluidity and good operability and good for pouring method.

C. Excellent mechanical properties, in particular tear strength and tensile strength.

D. Excellent flexibility and it is easy to demould.

E. High temperature resistance, high duplication times and repeated use.

operation of RTV Mold Making Silicone Rubber for Concrete Molds

1. deal with original moulds

2. brush on release agent

3. correct weigh accoring to mixng ratio

4. stir the two component evenly

5. vacuum-pumping

6. pouring

rtv mold making silicone rubber curing agent and silicone proportion and reaction(Under room-temperature-25C)
1.Added with 2 percent of curing agent, silicone can still flow within 1.2-1.6 hours, mold can be released in 7-8 hours.
2.Added with 3 percent of curing agent, silicone can still flow within 1-1.2 hours, mold can be released in 6-7 hours.
3.Added with 4 percent of curing agent, silicone can still flow within 40-50 minutes, mold can be released in 5-6 hours.

TDS of rtv mold making silicone rubber

Model:630#

Appearance:white/red

Viscosity(cs):15000-17000

Hardness(A):30

Tensile strength(kgf/cm)≥35-36

Elongation break(%):≥450

Retractility(%):≤0.3

Curing agent mixed rate(%):2-3

Operate time(min):30

Curing time(hours):2-4

Mixing proportion of curing agent:4%

Need the datasheet and price of rtv mold making silicone rubber for reference, please feel free to confirm with us some questions as follows

1) What's the raw material of your products, plaster, resin, cement, or any others, please?

2) How about the size of your products, small (within 30cm), medium (30-60cm), or big (60-200cm), please?

3) How about your way of making silicone molds, by pouring way or brushing way, please?

SHELF LIFE:

Twelve (12) months from date of shipment when stored at 25⁰C in the original sealed packages.

PACKAGE:

Packed in clean 25kg/pail, 200kg/pail.

Any questions about Silicone Rubber, Leah is at your service.

TEL: 086-755-89212382

FAX: 086-755-89948030

MOBILE: 086-189 3886 7561

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