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Description for Dow Xiameter RBB-2200-75 Base
75 durometer, near transparent, high strength, uncatalyzed silicone rubber base, High mechanical properties, high tear strength, serviceable over a wide temperature range, pigmentable.Brand Silastic Application Type Molding 1 Part or 2 Part 2-Part Material Form Liquid Manufacturer Dow Chemistry Silicone rubber base Cure Method 2-Part Cure, Heat Cure Temperature (°C) 171, 200 Cure Time (min) 10, 60 Color Nearly transparent Low Temperature Resistance (°C) >-73 -
Technical Data for Dow Xiameter RBB-2200-75 Base
Overview
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Application Type
- Casting / Moldmaking - Molding
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1 Part or 2 Part
- 2-Part
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Material Form
- Liquid
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Industry
- Other - Sheeting, Calendering, Molding, Profiles, Tubing, Extrusion
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Chemistry
- Silicone - Silicone rubber base
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Cure Method
- Heat
- 2-Part Cure
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Color
- Clear / Transparent - Nearly transparent
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Brand
- Silastic
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Also Known As
- Old Name - Silastic 75U
Specifications
Cure Specs
Cure Temperature (°C) 171, 200 Test Method Cure Time (min) 10, 60 Test Method Bond Strength
Tear Strength (piw) 36 (kN/m), High Test Method Tensile Strength (psi) 1,595, 1,060 Test Method Material Resistance
Low Temperature Resistance (°C) >-73 Hardness
Shore A Hardness 69, 72 Test Method Elongation (%) 490, 320 Test Method Modulus (psi) 395, 485 Test Method Other Properties
Specific Gravity 1.200 Test Method Business Information
Shelf Life Details Product should be stored at or below 60°C (140°F) in original, unopened containers. Shelf Life Temperature (°F) <140 -
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Best Practices for Dow Xiameter RBB-2200-75 Base
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Application
Vulcanization: XIAMETER RBB-2200-75 Base requires the addition of a vulcanizing agent. T catalyst (2, 4 dichloro-benzoyl peroxide) is recommended for hot air vulcanization. V catalyst (2,5 bis[tertbutylperoxy] -2,5-dimethylhexane) or D catalyst (dicumylperoxide) is recommended for molding.
Pigmentation: This silicone rubber base can be pigmented with standard XIAMETER™ Pigment Masterbatches.
Property Modification: The physical properties of this product can be modified using a range of Dow additives.
For more detailed information on the use of Dow additives, please contact your local technical representative.
This silicone rubber base can be blended with other durometer silicone rubber bases to produce materials with intermediate durometers and properties.
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Comparable Materials for Dow Xiameter RBB-2200-75 Base
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Cure Temperature Test Methods
Cure Temperature | Cure Time Test Method |
---|---|
171°C | Press cured |
200°C | Post-cured |
Cure Time Test Methods
Cure Time | Test Method |
---|---|
10 min | Press cured |
60 min | Post-cured |
Tear Strength Test Methods
Tear Strength | Test Method |
---|---|
36 (kN/m) | ASTM D624 DIE B |
High |
Tensile Strength Test Methods
Tensile Strength | Test Method |
---|---|
1,595 psi | ASTM D4l2 |
1,060 psi | ASTM D412 |
Elongation Test Methods
Elongation | Test Method |
---|---|
490 % | ASTM D4l2 |
320 % | ASTM D412 |
Modulus Test Methods
Modulus | Test Method |
---|---|
395 psi | ASTM D4l2, At 100% elongation |
485 psi | ASTM D412, At 100% elongation |
Shore A Hardness Test Methods
Shore A Hardness | Shore Hardness Test Method |
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69 | ASTM D2240, Durometer |
72 | ASTM D2240, Durometer |
Specific Gravity Test Methods
Specific Gravity | Temperature | Test Method |
---|---|---|
1.200 | 23°C | ASTM D792 |