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General Purpose RTV-2 Silicone Mould Making Liquid Flexible Durable Silicone
General Purpose RTV-2 Silicone Mould Making Liquid Silicone Flexible Durable Silicone:
Two Parts Silicone Liquid Silicone for Sculpture Molding is also named as molding silicone.With good resistance to heat, deformation, acid & alkali and expansion, finished silicone molds serve very good performance in reproduction process with every fine detail on designing models.
General Purpose RTV-2 Silicone Mould Making Liquid Silicone Flexible Durable Silicone:
Tin cure silicone
| Typical general characteristics |
Inspection Method |
Model code | |||||||
|
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 | |||||||
Features:
1.Almost nil shrinkage
2.Good fluidity, operability and excellent operation
3.Good resistance to weather, temperature, aging, acid
4.Excellent tear strenght, comfortable duplcation times
5.High chemical resistance to aggressive components of some types of resins
General Purpose RTV-2 Silicone Mould Making Liquid Silicone Flexible Durable Silicone:
General Purpose RTV-2 Silicone Mould Making Liquid Silicone Flexible Durable Silicone:
1. Make sure the surface of the original is clean and free of loose material.
2. Weight 100 Part A base and 3 parts of Curing Agent in a clean container.
3. Stir Part A base silicone before use thoroughly , as filler separation may occur upon prolonged storage.
4. Mix Part A and Part B evenly until the catalyst completely dispersed in the base.
5. Pour the mixed Part A base silicone and curing agent as soon as possible onto the original
6. De-mold after 24 hours ,it is will improve the replicate times of silicone mold.
Note:It is strongly recommended that entrapped air be removed in a vacuum chamber, allowing the mix to completely expand and then collapse. After a further 1-2 min under vacuum, the mix should be inspected and can be used if free of air bubbles. A volume increase of 3-5 times will occur on vacuum de-airing the mixture. So a suitably large container should be chosen.
General Purpose RTV-2 Silicone Mould Making Liquid Silicone Flexible Durable Silicone:
OTT New Material Co., Ltd. is located in Guangzhou, Guangdong. We are a leading professional manufacturer of silicone material with integrating R&D, production and sales. Our customers are from all over the world. If you are interested in our products, please feel free to contact us for further information.
General Purpose RTV-2 Silicone Mould Making Liquid Silicone Flexible Durable Silicone:
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
General Purpose RTV-2 Silicone Mould Making Liquid Silicone Flexible Durable Silicone:
Packing : 20KG, 25KG, 200 KG 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
General Purpose RTV-2 Silicone Mould Making Liquid Silicone Flexible Durable Silicone:
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.
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