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Brief Introduction
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Product:
foam insulation rubber ST RTV-2 silicone rubber 
Catagory:
Brand:
saitu
Price:
1.00/Kilogram
Min. Order:
5 Kilogram
Amount:
500 Kilogram
Delivery:
Deliver within days after payment.
Update:
2014-11-13 12:56
Views:
229
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Product Details

Quick Details

Place of Origin: Guangdong China (Mainland) Brand Name: saitu Model Number: 107
apperance: white viscosity: 500-5000000 Tensile strength (kgf /cm): ≥ 35-36
Tear strength (kgf /cm): ≥ 25 Elongation break: (%): ≥ 500 Retractility (%): ≤ 0.3
Curing agent mixed rate (%): 2-3 Operate time(min): 30 Curing time (hours): 2-4

Packaging & Delivery

Packaging Detail: 200kg/iron durm
Delivery Detail: within 7-10 days after get the down payments

Specifications

good tensile strength
good tear strength
Stripping the gender is good,
Linear shrinkage rate low,
Size stability is goo

RTV-2 silicone rubber for making molds

 

Applications of RTV-2 silicone rubber

RTV- silicone rubber is mainly be used as following:

1.Decoration building mould making, including architecture column, porch column, interior column etc

2.Unsaturated rein crafts, epoxy resin crafts, poly resin crafts , plastic toys and so on.

3.Concrete decoration, garden statue ,plant, sculpture, Buddha and animal crafts ..

 

Features of RTV-2 silicone rubber

1 .Two part of liquid fluid: liquid white silicone and curing agent.

2. Cure at room-temperature within 4-8 hours, but all performance will act perfectly when it cure within 24 hours.

3 .Good fluidity and excellent operation.

4 .Good resistance to weather, temperature, aging, acid..

5 .Excellent tear strength, comfortable duplication times.

 

FAQ of RTV-2 silicone rubber

1.Why does the RTV-2 silicone mold get burnt out?

The unsaturated resin produces great heat when added the curing agent. So you must demould the product within 3 minutes to avoid this problem.

 

2.Why does the silicone rubber mold have few molding

  The silicone rubber mold has few molding times is due to follwoing reasons: adding too much silicone oil which will destroy the molecular of silicone rubber; making the mold for small and fine detailed products with higher hardness silicone rubber which is easy to break; making the mold for large products with soft silicone rubber which will reduce the tensile and tear strength of the mold, and the mold will have deformation.Thus, we should take the proper silicone rubber to make the mold for suitable products

 

   Date sheet

RTV- silicone rubber is mainly be used as following:

1.Decoration building mould making, including architecture column, porch column, interior column etc

 2.Unsaturated rein crafts, epoxy resin crafts, poly resin crafts , plastic toys and so on.

3.Concrete decoration, garden statue ,plant, sculpture, Buddha and animal crafts .

Item

Standard

A

Appearance

White/black/grey liquid

Viscosity(m pa•s)

2500~3500

Density(g/m³)

1.30~1.5

B

Appearance

White/black/grey liquid

Viscosity(m pa•s)

2500~3500

Density(g/m³)

1.30~1.5

Mixing ratio

1:1

Viscosity after mixed(m pa•s)

2500~3500

Operable time (min)

60~120

Initial curing time(hr)

4~8

Completely cure time(hr)

24

After curing

Hardness (shore A , 24hr)

35-55

Coefficient of linear expansion[m/(m• K)]

2.2×10-4

Mass resistivity(Ω• cm)

1.0×1015

Dielectric strength(kv/mm)

20

Heat conductivity coefficient[W(m•K)]

0.6

Flame retardation

94-V0

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