| Customization: | Available |
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| Material: | Organic Silicone |
| Application: | Industrial, DIY Art |
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Tin cure silicone technical data sheet
| Typical general characteristics |
Inspection Method |
Model code | |||||||
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Product data (catalyzed A+B) |
OTT-S8 series | ||||||||
| Hardness | Shore A | 5 | 10 | 15 | 20 | 25 | 30 | 35 | 40 |
| Mix ratio | A:B | 100:3 | |||||||
| Color | / | white | |||||||
| Pot life | 25ºC(77F) | 20-40 mins | |||||||
| Curing time | 25ºC(77F) | 3-5 hours | |||||||
| Viscosity | mPa.s | 5000 | 8000 | 11000 | 11000 | 16000 | 21000 | 18000 | 12000 |
| Tear strength | KN/m | 10 | 16 | 24 | 23 | 26 | 26 | 24 | 22 |
| Tensile strength | MPa | 1.6 | 3.2 | 3.5 | 4.2 | 4.5 | 4.5 | 4.2 | 4.0 |
| Elongation | % | 500 | 600 | 580 | 500 | 500 | 450 | 350 | 280 |
| Shrinkage | % | 0.2 | |||||||
Step 1: prepare the original molds
Make your original molds perfect. fix it on a board. And fix the original mold on a board , then used four piece of board to enclose the original molds.
Step 2: Take 100 G parts A silicone rubber and add 3 G parts B curing agent and mix them evenly.
*Notes: Mold making silicon rubber is a kind of flowing liquid ,it contains two parts. Part A is a kind of flowing white liquid and part B is the curing agent or catalyst .Pls follow the step strictly:
1.Weigh the two part exactly by electronic weight. If not, for example add too much catalyst , the operation time will be too fast to operate ,which will cause inconvenience to operate .
2.Mix part A and part B evenly. Otherwise the silicon rubber will be partly solidified and this will give birth to difficulties in your final operation. What's more, the finished molds will meet a short life. All of these will cause a waste of silicon rubber.
Step 3: Vacuum pumping(optional)
Without exception, this step takes less than 10 minutes. Otherwise, it will cause cross linking reaction, and no more further steps will be available.
Step 4: Pouring casting or Brush operation
*Notes:1. For simple pattern products we suggest use pouring operation way, which will be very easy to operate and demould. Pourable silicone require low viscosity which will be easy to flow smoothly and easy to de-air .
2.For delicate pattern products we suggest use brushing operation way, which can copy the pattern exactly. Brushable silicone require high viscosity which won't be easy to flow away and easy to brush.
3. We sugges to set the silicone mold for another 12 hours after demould before you put it into a large production.
Packing : 20KG, 25KG, 200KG, 1000KG per drum
Shipping : by air & by sea
Delivery time: within 4-6 days after your payment confirmed in our bank
Storage: Storage in cool, dry places.
Shelf life: 18 months with the original unopened package
1.high quality similar to global big brand
2.18 months shelf life
3.50-1000 duplication time decided by product sizes
4.silicone non toxic, environment friendly
5.fast delivery within 4-6 days
6.shipment by air or by sea is available
7.24h after sales service
8.professional R&D team
1. What's silicone products you are making?
--liquid silicone, silicone rubber, silicone oil; Due to different silicone molds, our silicone has different viscosity, and cause different hardness, density to meet the requests from client.
2. Do you offer free sample to client?
--Yes, we can provide the sample for test.
3. How about the quality control in your factory?
--We have professional QC team to control the quality during production. Goods will be 100% inspected before shipment.
4. How to remove the bubbles during my mould making?
--After mixing liquid silicone with curing agent, please put the material into vacuum machine to take off the bubbles.
5. How to get good silicone mould to use longer time?
--The best way is:
#A, Please choose the right liquid silicone according to your products.
#B, Don't use any silicone oil in mold making, because it can make the silicone mould become too soft to use.
#C, Silicone mould can be used longer after the whole silicone mould fully cured, so it's better to wait 2 hours after mould finished.
6. Why silicone rubber add curing agent after mixing a lot of bubbles?
--This is normal physical phenomena. The liquid will produce a large number of bubbles in the mixing time, so, it must pass through the vacuum exhaust bubble treatment.
If there is no suitable information what you need, just contact us directly.
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