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Factory Price Good Quality Rtv2 Moldmaking Tin Liquid Cured Silicone Rubber Lsr Raw Materials Compou
Posted at: Offers to Sell and Export | Posted on: Thursday 11 August 2022 9:37 am | Poster last visit: Wednesday 14 December 2022 |
Product Category: Main
» Chemicals including Bio Chemicals and Gas Materials
» Compounds and mixtures
» Inorganic compounds
» Liquid silicone rubber LSR
» Factory Price Good Quality Rtv2 Moldmaking Tin Liquid Cured Silicone Rubber Lsr Raw Materials Compou
Product Description:
Product Description
Specification
Condensation Cured Silicone Rubber for Mold Making, which is also
named condensed cure silicone rubber and Tin cure silicone rubber, is
generally industrial liquid silicone rubber vulcanized under room temperature(RTV-2).
Applications
Condensation Cured Silicone Rubber has extensive use, such as mold making of gypsum, plaster, concrete, cement, flowerpot, candle, soap, resin
crafts, cultural stone, sculpture, GRC/GRG restoration and so on.
Techinical Parameters
Model Code GTSIL-T10 GTSIL-T15 GTSIL-T20 GTSIL-T25 GTSIL-T30 GTSIL-T40
Hardness - Shore A 8-10 14-16 19-21 24-26 28-32 38-40
Viscosity - Cps 10000-14000 12000-16000 14000-18000 16000-20000 26000-32000 10000-14000
Mixing Ratio - % 3% 3% 3% 3% 3% 3%
Tear Strength - KN/m2 10-15 15-18 19-23 23-27 25-30 16-20
Tensile Strength - Mpa 3.5-5.5 3.5-5.5 4-6 4-6 5-7 3.5-5.5
Shrinkage - % 0.30% 0.30% 0.30% 0.30% 0.30% 0.30%
Elongation - % 400-500% 400-500% 400-500% 400-500% 350-500% 350-500%
How to use
1.Substrate Preparation
The surface of the original should be clean and free of loose material. If necessary, and in particular with porous substrates, use a suitable release agent such as petroleum jelly or soap solution.
2. Mixing
Thoroughly stir Part A (silicone base) before use as filler separation may occur upon prolonged storage.
Weigh 100 grams Part A (silicone base) and 3 grams Part B (curing agent) in a clean container. Mix together until the curing agent is completely dispersed in the base. Hand or mechanical mixing can be used, but do not mix for an extended period of time or allow the temperature to exceed 35°C (95°F). Mix suitably small quantities to ensure thorough mixing of the par A (silicone base) and part B (curing agent).
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 minutes 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.
Caution: prolonged vacuum will remove volatile components from the mix and may result in poor thick section cure and non-typical properties.
Note: If no vacuum de-airing equipment is available, air entrapment can be minimized by mixing a small quantity of par A (silicone base) and part B (curing agent), then using a brush, painting the original with a 1-2mm layer. Leave at room temperature until the surface is bubble free and the layer has begun to cure. Mix a further quantity of base and curing agent and proceed as follows to produce a final mold.
3. Pouring the Mixture and Curing
Pour the mixed Par A (silicone base) and Part B (curing agent) as soon as possible onto the original, avoiding air entrapment. The catalyzed material will cure to a flexible rubber within 24 hours at room temperature (22°C-24°C/ 71.6°F - 75.2°F) and the mold can then be separated from the original. If the working temperature is significantly lower, the cure time will be longer. If the room temperature or humidity is very high, the working time of the catalyzed mixture will be reduced. The final mechanical properties of the mold will be reached within 7 days.
Company Contact:
Contact Name: Tina
Company Name: Dongguan Gangtian Polymer Materials Co., Ltd.
Email:
Tel: 8613728862566
Fax:
Street Address: Block B, No.8
Minying West Rd., 2nd Industrial
Dist., Tiantou Village, Hengli Town
Dongguan, Guangdong 523478
China
Website: http://www.gtsilicon.com/
Member name: DonggyanGTSiliconeRubber
Country:
China
Member Since: 11 August 2022
Total Leads: 2 DonggyanGTSiliconeRubber Import Export Business Leads
Business focus: Silicone Rubber, Liquid Silicone Rubber, Rtv2 Silicone, Moldmaking Silicone
Chat:
Verify: Safe Import Export Tips
Specification
Condensation Cured Silicone Rubber for Mold Making, which is also
named condensed cure silicone rubber and Tin cure silicone rubber, is
generally industrial liquid silicone rubber vulcanized under room temperature(RTV-2).
Applications
Condensation Cured Silicone Rubber has extensive use, such as mold making of gypsum, plaster, concrete, cement, flowerpot, candle, soap, resin
crafts, cultural stone, sculpture, GRC/GRG restoration and so on.
Techinical Parameters
Model Code GTSIL-T10 GTSIL-T15 GTSIL-T20 GTSIL-T25 GTSIL-T30 GTSIL-T40
Hardness - Shore A 8-10 14-16 19-21 24-26 28-32 38-40
Viscosity - Cps 10000-14000 12000-16000 14000-18000 16000-20000 26000-32000 10000-14000
Mixing Ratio - % 3% 3% 3% 3% 3% 3%
Tear Strength - KN/m2 10-15 15-18 19-23 23-27 25-30 16-20
Tensile Strength - Mpa 3.5-5.5 3.5-5.5 4-6 4-6 5-7 3.5-5.5
Shrinkage - % 0.30% 0.30% 0.30% 0.30% 0.30% 0.30%
Elongation - % 400-500% 400-500% 400-500% 400-500% 350-500% 350-500%
How to use
1.Substrate Preparation
The surface of the original should be clean and free of loose material. If necessary, and in particular with porous substrates, use a suitable release agent such as petroleum jelly or soap solution.
2. Mixing
Thoroughly stir Part A (silicone base) before use as filler separation may occur upon prolonged storage.
Weigh 100 grams Part A (silicone base) and 3 grams Part B (curing agent) in a clean container. Mix together until the curing agent is completely dispersed in the base. Hand or mechanical mixing can be used, but do not mix for an extended period of time or allow the temperature to exceed 35°C (95°F). Mix suitably small quantities to ensure thorough mixing of the par A (silicone base) and part B (curing agent).
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 minutes 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.
Caution: prolonged vacuum will remove volatile components from the mix and may result in poor thick section cure and non-typical properties.
Note: If no vacuum de-airing equipment is available, air entrapment can be minimized by mixing a small quantity of par A (silicone base) and part B (curing agent), then using a brush, painting the original with a 1-2mm layer. Leave at room temperature until the surface is bubble free and the layer has begun to cure. Mix a further quantity of base and curing agent and proceed as follows to produce a final mold.
3. Pouring the Mixture and Curing
Pour the mixed Par A (silicone base) and Part B (curing agent) as soon as possible onto the original, avoiding air entrapment. The catalyzed material will cure to a flexible rubber within 24 hours at room temperature (22°C-24°C/ 71.6°F - 75.2°F) and the mold can then be separated from the original. If the working temperature is significantly lower, the cure time will be longer. If the room temperature or humidity is very high, the working time of the catalyzed mixture will be reduced. The final mechanical properties of the mold will be reached within 7 days.
Company Contact:
Contact Name: Tina
Company Name: Dongguan Gangtian Polymer Materials Co., Ltd.
Email:
Tel: 8613728862566
Fax:
Street Address: Block B, No.8
Minying West Rd., 2nd Industrial
Dist., Tiantou Village, Hengli Town
Dongguan, Guangdong 523478
China
Website: http://www.gtsilicon.com/
Member name: DonggyanGTSiliconeRubber
Country:
ChinaMember Since: 11 August 2022
Total Leads: 2 DonggyanGTSiliconeRubber Import Export Business Leads
Business focus: Silicone Rubber, Liquid Silicone Rubber, Rtv2 Silicone, Moldmaking Silicone
Chat:
Verify: Safe Import Export Tips
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Liquid silicone rubber LSR Classification Navigation
Main - Chemicals including Bio Chemicals and Gas Materials - Compounds and mixtures - Inorganic compounds - Liquid silicone rubber LSR [15]
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