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Description for Dow HVAC/R Silicone Sealant
Resistant to sunlight and weather extremes; high strength; fast cure; remains flexible; bonds to most common HVAC/R substrates.Chemical Resistance Chemical Resistance: Fluid Resistance: Water Application Type Bond, Seal 1 Part or 2 Part 1-Part Material Form Paste Substrate Ceramic, Glass, Metal, Plastic, Fiberglass Industry Around electrical boxes and equipment, Display, Beverage, Electrical penetrations, Dairy, Food Manufacturer Dow Chemistry Silicone Cure Method Moisture Application Temperature (°F) -20 to 122 Cure Time (min) Fast, 10,080 Color Clear / Transparent, White High Temperature Resistance (°C) 176 Low Temperature Resistance (°C) -40 Other Resistance Sunlight Key Specifications ASTM (American Standard Test Method): C920: ASTM C920 Type S, Grade NS, Class 25, Use NT, G and A., TT (U.S. Federal Specification): S-00230C: Federal Specificaiton TT-S-00230C, Type II, Class A; Federal Specification TT-S-001543A, Type non-sag, Class A,, TT (U.S. Federal Specification): S-001543A: Federal Specificaiton TT-S-00230C, Type II, Class A; Federal Specification TT-S-001543A, Type non-sag, Class A,, FDA (U.S. Food & Drug Administration) and/or CFIA (Canadian Food Inspection Agency): FDA 21 CFR 177.2600 -
Technical Data for Dow HVAC/R Silicone Sealant
Overview
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Chemical Resistance
- Chemical Resistance : Fluid Resistance : Water Resistance - Water
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1 Part or 2 Part
- 1-Part
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Material Form
- Paste
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Industry
- Displays - Display
- Food & Beverage - Beverage, Dairy, Food
- Electronics - Around electrical boxes and equipment, Electrical penetrations
- Industrial - Air conditioner interiors, Coolers, Outdoor ven, Pipe openings, Refrigerator
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Chemistry
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Cure Method
- Moisture / Condensation Cure - Moisture
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Color
- Clear / Transparent
- White
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Key Specifications
- ASTM (American Standard Test Method) : C920 : Class 25 - ASTM C920 Type S, Grade NS, Class 25, Use NT, G and A.
- TT (U.S. Federal Specification) : S-00230C : Class A - Federal Specificaiton TT-S-00230C, Type II, Class A; Federal Specification TT-S-001543A, Type non-sag, Class A,
- TT (U.S. Federal Specification) : S-001543A : Class A - Federal Specificaiton TT-S-00230C, Type II, Class A; Federal Specification TT-S-001543A, Type non-sag, Class A,
- FDA (U.S. Food & Drug Administration) and/or CFIA (Canadian Food Inspection Agency) : 177.2600 - FDA 21 CFR 177.2600
Specifications
Cure Specs
Application Temperature (°F) -20 to 122 Cure Time (min) Fast, 10,080 Set Time (min) 1,440 Test Method Tack Free Time (min) 15 to 20 Test Method Bond Strength
General Bond Strength (psi) High Tensile Strength (psi) 325 Test Method Material Resistance
Environmental Resistance Environmental resistance High Temperature Resistance (°C) 176 Low Temperature Resistance (°C) -40 Other Resistance Sunlight Hardness
Shore A Hardness 27 Test Method Elongation (%) 6 Test Method Flexibility Flexible Not Good For
Don't Use For Structural glazing, Prolonged submersion in water or below-grade applications. -
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Best Practices for Dow HVAC/R Silicone Sealant
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Comparable Materials for Dow HVAC/R Silicone Sealant
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Set Time Test Methods
Set Time | Set Temperature | Test Method |
---|---|---|
1,440 min | 25°C | At 77°F 25°C and 50% relative humidity |
Tack Free Time Test Methods
Tack Free Time | Tack Free Temperature | Test Method |
---|---|---|
15 to 20 min | 25°C | 77°F 25°C and 50% relative humidity |
Tensile Strength Test Methods
Tensile Strength | Cure Time |
---|---|
325 psi | 10,080 min |
Elongation Test Methods
Elongation | Test Method |
---|---|
6 % | After 7 days |
Shore A Hardness Test Methods
Shore A Hardness | Shore Hardness Test Method |
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27 | After 7 days |