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Trademetro.net Trade B2B Portal / Chemical / Resins, Silicones, Cellulose

Description:
Tin cure  silicone rubber for plaster/gypsum mold making with two parts, part A is the silicone rubber base, part B is the condensation curing agent. SE-530#&SE-535# is in the harness of 35 & 40 shore A, then the application of these would be used to make mould of the products in larger size, such as the plaster gypsum window decoration, GRC/GRFC products, furniture, roman column mold making, etc.
Its mixing ratio is 100:3, and generally 3% free catalyst would be offered. But in the same mixing ratio, the higher the temperature is, the faster the silicone rubber would be cured. So, please add the catalyst accordingly.

Characteristics:
1. Suitable for both pouring molding and brushing molding
2. Strong tear strength and tensile strength
3. Easily release air to avoid bubbles
4. excellent non-stick effect 
5. Various hardness from 5 to 40 shore A
6. Excellent flexibility, easy to demould.
7. High temperature resistance, high duplication times and repeated use
8. Good cut-growth resistance

 

Application:
Tin cure silicone for mold making, which with good tensile strength as well as high duplication times ,so it is perfect for making mold in statue and figures industries ,such as Stone figurine ,ceramic statues,polyurethane statuary, ceramic statues,polyurethane animals,Buddha, plaster ceiling,gypsum artificial stone, GRC home decorations etc.while,it also application for making mold for Resin and poly resin crafts, Lighting ornaments, candles crafts, statue Buddha, relief, artifacts copied, Animals and plants sculpture.

 

Datesheet:

 

Model NO· SE-530# SE-535#
Mixing Ratio (by weight) 100:3 100:3
Appearance/Color White White
Hardness (Shore A) 30±2 35±2
Mixed viscosity (mPa·s) 20000±500 21000±500
Working Time(at23℃/75℉,MINS) 30~40 30~40
Curing Time (at 23℃/75℉, HRS) 4~5 4~5
Tensile strength, Mpa ≥4.0 ≥4.0
Tear strength, KN/m ≥29.5 ≥26.8
Shrinkage, % <0.2 <0.2
Elongation at break, % ≥420 ≥400



Using instructions:
Step 1: prepare the original molds 
Prepare an perfect mold modle and clean it totally(the release agent can be detergent, soapy water and Vaseline)before operation .Take 100g silicone material and 2~5g curing agent strictly and mix them evenly. 
*Notes:Make sure the toys and operation tool cleaned up totally to avoid uncure problem .

Step 2: Vacuum pumping
Without exception, this step takes less than 10 minutes.(normally is 5munites) Otherwise, it will cause cross linking reaction, and no more further steps will be available.

Step 3: Pouring casting or Brushing operation
1. For simple pattern products we suggest use pouring operation way, which will be very easy to operate and demould. Pourable silicone require light viscosity which will be easy to flow smoothly and easy to de-air . (mold with fine and precision  patterns with low hardness.)
2.For delicate pattern products we suggest use brushing operation way.which can copy the pattern exactly .brushing way require high viscosity which won’t be easy to flow away and easy to brush(large size molds with high hardness)
3.The amount of the curing agent can be adjusted according to the actual requirements of the customer. If molds requiring fast drying and demould, more curing agent is needed; contrarily, if molds requiring slower drying and demould, less curing agent is needed.but we don’t suggest to add silicone oil avoid oil problem.

Step 4:Demoulding:
After 35 hours later, can demould the silicone mold, it's will be better for molf to demould after 24 hours. 
Notes:The curing temperature and curing time can be adjustable according to the operation conditions.

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Posted by Daniel
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Company
Semost
Address 18th Building, Songke Court, Songshan Lake S&T Park, Dongguan, Guangdong, China
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dongguan523000
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China
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Key Customers / Clientele SEMOST are offering various kinds of liquid silicone in several industries. The products included 16 series in hundreds of kinds of silicone products like liquid silicone rubber, RTV-2 molding silicone rubber, condensation cure silicone rubber, addition cure silicone rubber, life casting silicone, silicone for medical application, food grade silicone rubber, silicone for fabric print, tyre mold silicone rubber, silicone gel, liquid foaming silicone, etc.
Company Profile Our Goal

Superior quality , Favorable price, Supreme service

SEMOST's collective mission is to design and manufacture the highest-performance line of liquid silicone rubbers and to provide our customers with unmatched, industry-setting technical support, favorable price and best customer service. In doing so, we believe it will help our customers for receiving the greatest value.




Our Service

Customer first, Pursuit ideal, Serious and responsible, Win-win cooperation

Convenient and fast delivery, Experienced engineers, Long-term tracking of product performance monitoring and regular maintenance of after sales contact. Choose us, we will strive to provide safe and environmentally friendly raw material to you and contributing to your career.


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 Product Details
 Product id  596606
 Visits   237
 Date  2019.04.03
 


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