| Prod Model: |
630 |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Purity: |
100% |
| Type: |
Condensation Silicone |
| Mixing Ratio: |
100:2 |
| Color: |
White |
| Pot Life/Working Life: |
30-40 Mins |
| Curing Time: |
3-5 Hours |
| Curing Agent: |
5% for Free Charged |
| Sticker: |
Available |
| Sample: |
Available |
| Certifications: |
RoHS, MSDS, SGS etc. |
| Material: |
Silicone Rubber |
Product Description
Cheap Silicone Rubber Similar to Dow Corning 3481
Silicone similar to Dow Corning 3481 applications
Silicone Rubber Similar to Dow Corning 3481 (Mold Making Series) is primarily intended for poly resin crafts, PU crafts, PU resin crafts, gypsum crafts, unsaturated resin crafts, lighting and candles crafts, plastic toy, stationery gifts crafts industry, a large statue Buddha, furniture, furniture decorative materials, statues Buddha, artifacts copied, building decoration materials, large-scale cement mold, artificial fossils Factory, Europe component factory, simulation landscapes, animals and plants sculpture, sandstone crafts and so on.
RTV molding silicone rubber for plaster products operation way:
Step One:Take 100g of part A and add 2g of part B and mix the silicone rubber and curing agent evenly.
Step Two: vacuum pumping.Without exception, this step takes less than 10 minutes.
Note: The time for vacuum-pumping should be less than 3—5 mins , otherwise, once the silicone rubber has cross-link reaction during vacuumizing, it will not be operated.
Step Three: Brushing cast & Perfusion Molding operation
RTV molding silicone rubber for plaster products frequently asked question:
Why is the silicone rubber mold oily?
Basically, molding silicone rubber doesn't contain any oil, so it won't be oily. The reasons for the oily molds can be deducted from the below 3 factors:
1. Added white oil, which is the compound of silicone oil and white oil. The white oil is not silicone oil but a kink of petrochemicals;
2. Added too much silicone oil. Normally, we donot advise our customers to add any silicone oil into silicone rubber. If necessary, the ratio must be 5%-10%;
Silicone Rubber Similar to Dow Corning 3481 (Mold Making Series) features description
Silicone Rubber Similar to Dow Corning 3481 is white or red flowing liquid with general hardness of 22-50A° After curing. Molding silicon rubber is a kind elastic silicon rubber mold which features with resistance to deformation, high-temperature, acid-alkali and expansion as well as high reproduction times, good tensile strength, tear strength and elongation.
Silicone Rubber Similar to Dow Corning 3481 (Mold Making Series) operations
If the customer wants to make large products and large size molds, the mold should be made of silicon rubber with high hardness. On the contrary, if the mold with fine and precision patterns, it should be made of silicon with low hardness. The amount of the curing agent depends on the actual requirements of the customer. If molds requiring fast drying and demold, more curing agent is needed; Contrarily, if molds requiring slower drying and demold, less curing agent is needed.
(Note: Our company does not recommend you to add silicone oil. If a special soft silicone mold or fine detailed and complex patterns products are required, 5%-10% silicone oil can be added to soften the mold for easy demold. )
Frequently asked questions of Silicone Rubber Similar to Dow Corning 3481(Mold Making Series)
Why does the silicone rubber mold have few molding times?
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.
| Model | 638# | 630# | 625# | 620# |
| Appearance | white | white | white | white |
| Mixing proportion of curing agent (%) | 5% | 5% | 5% | 5% |
| Operating time (mins 25 0C ) | 40~70 | 60~90 | 40~70 | 30~50 |
| Curing time(hours 25 0C) | 4~7 | 5~7 | 4~7 | 3~5 |
| Hardness (A°) | 36±2 | 30±2 | 25±2 | 20±2 |
| Viscosity (Mpas -25 0C) | 30000~38000 | 27000~32000 | 17000~19000 | 12000~14000 |
| Tensile-strength(Mpa) | ≥4.50 | ≥4.2 | ≥3.2 | ≥2.8 |
| Tear-strength (KN/m) | ≥30 | ≥30 | ≥27 | ≥32 |
| Elongation-break(%) | ≥420 | ≥440 | ≥440 | ≥420 |
| Linear Shrinkage (%) | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.3 |
We are manufacturer spcializing in silicon rubber material, such as silicone gel, pad printing silicon, RTV-2 silicone rubber, HTV, RTV-2 room temperature sulfurated silicon rubber, silicon, shoe molding silicon, silicon rubber, manul molding silicon, liquid silicon rubber, LSR, pad printing silicone rubber, mixed iron-smelting silicon rubber, solid silicone rubber, methyl-ethenyl silicone rubber, molding silicone rubber, mold duplicating rubber for resin craft makers, special silicon for manual molding, shoe mold rubber, pad printing silicon, silicon oil, 107 base, DMC etc. For plastic toys factories. With a product line of tens of categories, we can offer quick copying with precise contraction ratio (up to two thousandth) for mold making. To reach the internationally leading quality standard with competitive price is our best ambition that merits your trust.
RTV-2 Mold making silicone rubber
[1] RTV-2 silicone rubber for mold making
RTV-2 molding silicone rubber mainly applicable to make the silicone mould for cultural relic duplication, architectural decoration, resin crafts, lighting ornaments, candles, statues, model design, product exploitation, etc.
[2 ]RTV-2 silicone rubber for pad printing
Pad printing silicon rubber is specially designed for silicon pads which requires to be exquisite, without impurity or granules. Silicon pad is a carrier which transfer printing the patterns on the steel plate onto the toy products' Surface. Pad printing silicone rubber is mainly used for printing irregular patterns of plastic toys, electroplating products, electronic toys, trademarks.
[3] RTV-2 manual mold silicon rubber
RTV-2 manual mold silicon rubber is mainly applied in manual mold design, PVC plastic mould, cement product mould, melting-point alloy mould, alloy toy crafts, plastic toy, craftwork, gift and stationery, big statue, cultural relic duplication, shoe sole mould production, pad printing orientation, electronic appliances vibration resistance, etc.
[4] HTV-2 Silicone rubber
HTV-2 silicone rubber is applied in metal crafts, hot stamping silicone roller, hot stamping silicone plate, mobile phone keycap, PC keycap, telephone keycap, TV remote control keycap, electronic products, silicone rubber products field, etc.
[5] Disc silicone rubber
Disc silicone rubber is mainly applicable to zinc aluminum alloy arts and crafts, imitation of gold and silver ornaments, fishing tools, bracelets, hanging ornaments, furniture fittings, decoration accessories, toys and gifts, etc.
