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Description for Dow Silastic LS-2840
Low compression set; excellent solvent/fluid resistance; retains properties over a wide temperature range.Brand Silastic Chemical Resistance Fluid, Chemical Resistance: Solvent Application Type Mold-Making 1 Part or 2 Part 1-Part Material Form Rubber-Crepe Industry Powertrain Manufacturer Dow Chemistry Silicone: Fluorosilicone rubber Cure Method Heat Cure Temperature (°C) 200 Cure Time (min) 240 Color Off White High Temperature Resistance (°C) Excellent -
Technical Data for Dow Silastic LS-2840
Overview
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Chemical Resistance
- Chemical Resistance - Fluid
- Chemical Resistance : Relative Solvent Resistance - Solvent
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Application Type
- Casting / Moldmaking - Mold-Making
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1 Part or 2 Part
- 1-Part
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Material Form
- Other - Rubber-Crepe
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Industry
- Powertrain
- Industrial - Extruded and calendered goods
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Chemistry
- Silicone : Fluorosilicone - Fluorosilicone rubber
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Cure Method
- Heat
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Color
- Off-White - Off White
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Brand
- Silastic
Specifications
Cure Specs
Cure Temperature (°C) 200 Test Method Cure Time (min) 240 Test Method Bond Strength
Tear Strength (piw) 152 (ppi) Test Method Tensile Strength (psi) 1,470 Test Method Material Resistance
High Temperature Resistance (°C) Excellent Hardness
Shore A Hardness 38 Test Method Elongation (%) 5 Test Method Other Properties
Specific Gravity 1.430 Test Method Flash Point (°F) 213.8 Business Information
Shelf Life Details When stored at or below 50°C (122°F) in the original unopened containers, this product has a usable life of 36 months from the date of production. Shelf Life Type from the date of production Shelf Life (mon) 36 -
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Cure Temperature Test Methods
Cure Temperature | Cure Time Test Method |
---|---|
200°C | Post cure |
Cure Time Test Methods
Cure Time | Test Method |
---|---|
240 min | Post cure |
Tear Strength Test Methods
Tear Strength | Test Method |
---|---|
152 (ppi) | ASTM D624, Tear B |
Tensile Strength Test Methods
Tensile Strength | Test Method |
---|---|
1,470 psi | ASTM D412 DIE C |
Elongation Test Methods
Elongation | Test Method |
---|---|
5 % | ASTM D412 DIE C |
Shore A Hardness Test Methods
Shore A Hardness | Shore Hardness Test Method |
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38 | Hardness/Durometer Test Method |
Specific Gravity Test Methods
Specific Gravity | Test Method |
---|---|
1.430 | ASTM D792 |