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Description for Dow Silastic LS 4-9080
High resiliency; excellent solvent/fluid resistance; very low compression set; good handling properties.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 4-9080
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) 114 (ppi) Test Method Tensile Strength (psi) Good, 1,090 Test Method Material Resistance
High Temperature Resistance (°C) Excellent Hardness
Shore A Hardness 81 Test Method Elongation (%) 2 Test Method Flexibility High resiliency Modulus (psi) High, 816 (100% (psi)) Test Method Other Properties
Specific Gravity 1.550 Test Method 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 24 months from the date of production. Shelf Life Type from the date of production Shelf Life (mon) 24 -
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Best Practices for Dow Silastic LS 4-9080
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Spec Engine® Results
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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 |
---|---|
114 (ppi) | ASTM D624, Tear B |
Tensile Strength Test Methods
Tensile Strength | Test Method |
---|---|
Good | |
1,090 psi | ASTM D412 DIE C |
Elongation Test Methods
Elongation | Test Method |
---|---|
2 % | ASTM D412 DIE C |
Modulus Test Methods
Modulus | Test Method |
---|---|
High | Modulus Test Method |
816 (100% (psi)) | ASTM D412 DIE C |
Shore A Hardness Test Methods
Shore A Hardness | Shore Hardness Test Method |
---|---|
81 | Hardness/Durometer Test Method |
Specific Gravity Test Methods
Specific Gravity | Test Method |
---|---|
1.550 | ASTM D792 |