RTV silicone rubber for mold making-liquid silicone rubber

FOB Price

US $8.98
200 - 40,000 kilogram
US $7.05
40,001 - 999,999 kilogram

group nameRTV-2 silicone rubber for molds making
Min Order200 kilogram
brand nameHong Ye silicone rubber
model625# 630#
payment methodT/T, L/C, Westem Union
update timeFri, 08 Nov 2013 15:55:37 GMT

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Paramtents

Material 100% silicone
Color any
Hardness 10-40A
Classification Chemical Auxiliary Agent
Appearance fluid silicone rubber
Certification SGS,MSDS,RoHS
Sample available
modes of transport by sea
Application silicone rubber for mold making
Port Shenzhen

Packging & Delivery

Min Order200 kilogram

Briefing

Specification:
favorable hardness
light viscosity
low shrink

Detailed

RTV silicone rubber for mold making application:

RTV silicone rubber for mold making with the hardness is specially suitable for large crafts mould making and duplication of poly resin crafts in pouring way, PU crafts, gypsum or plaster, unsaturated resin, lighting and candles crafts, plastic toy, stationery gifts crafts, large statue buddha, furniture decoration, cement, articficial stone, etc.(Advantages of pouring mold silicone rubber: light viscosity, pourable effort, good fluidity, easy-operation, good tension and high tear strength.)

RTV silicone rubber for mold making feature:

Low visocisty ---Easy for pouring operation

Additive available ----for brushing operation

High tensile and tear strength --high copy times

Low shrinkage

RTV silicone rubber for mold making picture show:

RTV silicone rubber for mold making datasheets:

Model	Color	Mixing ratio (%)	Pot life (mins)	Demould time ( hrs)	Hardness ( A⁰)	Tensile-strength	Tear-strength	Viscosity (mPas)	Shrinkage rate (%)	Elongation (%)
625#	white	100 : 5	45-60	4-6	23-26	45kgf/cm²	≥ 29kgf/cm	19500	≤0.3%	450%
630#	white	100 :5	30-40	3-5	29-31	49kgf/cm²	≥ 33kgf/cm	27000	≤0.3%	490%
Dowcorning3481	white	100 : 5	30-45	5-6	22-25	4.6Mpa	23kN/m	25000	≤0.5%	520%
Bluestar (3325 /585)	white	100 : 5	20-60	6-24	25-28	4.2Mpa	26kN/m	35000	≤0.7%	440%
Wacker®M4503	white	100 : 5	30-90	10-20	25	5.0(N/mm²	> 20N/mm	40000	≤0.5%	350%

How to choose the suitable RTV silicone rubber for mold making:

1) If a special soft silicone mold or fine details and comlex patterns products you have, add5% to 10% silicone oil could be added to soften the mould for easy demoulding.

2) Large size products (60 to 200cm), you should shoose hard RTV silicone rubber for mold making,with hardness about 35 to 40 shore A,then the silicone molds will not deformation.

3) Large products but features detailed patterns, then 30 shore A RTV silicone rubber for mold making will be workable.

RTV silicone rubber for mold makingFAQ:

Why does the mold made of silicone rubber have an unsmooth surface with tracks and strips on it?

It is due to product or model to be molded should hasn't been sanded or polished . If the mold or product is not sanded or polished, the mold made of whatever quality silicone rubber will not be good and smooth enough since the mold or the product itself is not smooth or perfect. Another case is that uneven brushing of the release agent will also bring about unsmoothness of the mold.

RTV silicone rubber for mold making storage and package:

Storage:silicone should be stored in room temperature, dry and seal of vessel, do not contact with water. and the duration of products is 12 months.

Package: 5kg/25kg/ 200kg per drum

RTV silicone rubber for mold making-liquid silicone rubber