Dow 999-A Silicone Building & Glazing Sealant

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Description for Dow 999-A Silicone Building & Glazing Sealant

Long life, wide service temperature range; resists sunlight, moisture and ultraviolet radiation.

Chemical Resistance	Sleet, Snow
Application Type	Seal
1 Part or 2 Part	1-Part
Material Form	Paste
Substrate	Glass, Metal, Plastic
Manufacturer	Dow
Chemistry	Silicone
Cure Method	Moisture
Cure Temperature (°C)	25
Cure Time (min)	10,080
Ozone Resistance	Ozone resistance
High Temperature Resistance (°C)	177
Low Temperature Resistance (°C)	-60
Other Resistance	Sunlight
Key Specifications	ASTM (American Standard Test Method): C 920: Meets the qualifications of ASTM C 920 Specification, Class 25, FDA (U.S. Food & Drug Administration) and/or CFIA (Canadian Food Inspection Agency): Meets the qualifications of FDA 21 CFR 177.2600 (check colors for compliance)

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Chemical Resistance
- Chemical Resistance - Sleet, Snow
Application Type
- Sealant - Seal
1 Part or 2 Part
- 1-Part
Material Form
- Paste
Substrate
- Glass
- Metal
- Plastic
Industry
- Construction
Chemistry
- Silicone
Application Method
- Dispenser - Air-operated guns, Bulk dispensing equipment
Cure Method
- Moisture / Condensation Cure - Moisture
Key Specifications
- ASTM (American Standard Test Method) : C 920 : Class 25 - Meets the qualifications of ASTM C 920 Specification, Class 25
- FDA (U.S. Food & Drug Administration) and/or CFIA (Canadian Food Inspection Agency) : 177.2600 - Meets the qualifications of FDA 21 CFR 177.2600 (check colors for compliance)

Ozone Resistance	Ozone resistance
UV Resistance	UV resistance
Environmental Resistance	Rain
High Temperature Resistance (°C)	177
Low Temperature Resistance (°C)	-60
Other Resistance	Sunlight

Shore A Hardness	25	Test Method

Don't Use For	green or partially vulcanized rubber gaskets or tapes
Don't Use With	masonry, impregnated woodl, oil-based caulks

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