Dow 799 Silicone Glass and Metal Building Sealant

Overview

• Application Type

  • Sealant - Seal

• 1 Part or 2 Part

  • 1 Part or 2 Part - 1 Part

• Material Form

  • Paste - Toothpaste

• Substrate

  • Glass
  • Metal

• Chemistry

  • Silicone

• Application Method

  • Dispenser - Air-operated guns, Bulk dispensing equipment

• Cure Method

  • Moisture

• Key Specifications

  • ASTM (American Standard Test Method): C 920: Class 25 - ASTM Specification C-920 Type S, Grade NS, Class 25, Use T, NT, M, G, A
  • TT (U.S. Federal Specification): S-001543A: Class A - Federal Specification TT-S-001543A (COM-NBS) Class A; Federal Specification TT-S-00230C (COM-NBS) Class A
  • TT (U.S. Federal Specification): S-00230C: Class A - Federal Specification TT-S-001543A (COM-NBS) Class A; Federal Specification TT-S-00230C (COM-NBS) Class A

Specifications

Cure Specs

Cure Temperature (°C)	25	Test Method
Cure Time (min)	Fast, 10,080 to 20,160	Test Method
Viscosity (cPs)	Toothpaste
Tack Free Time (min)	15	Test Method
Work / Pot Time (min)	5.00 to 10

Bond Strength

Peel Strength (piw)	25 (pli)	Test Method
Tensile Strength (psi)	230	Test Method

Material Resistance

High Temperature Resistance (°C)	177
Low Temperature Resistance (°C)	-62

Hardness

Shore A Hardness	30	Test Method
Elongation (%)	4	Test Method
Flexibility	Flexible

Business Information

Shelf Life Details	When stored in original, unopened containers at or below 32°C (90°F), Dow Corning 799 Silicone Glass and Metal Building Sealant has a shelf life of 12 months from date of manufacture. Refer to product packaging for “Use By” date. For best storage results, keep Dow Corning 799 Silicone Glass and Metal Building Sealant in tightly closed containers when not in use.
Shelf Life Type	From date of manufacture
Shelf Life (mon)	12

Not Good For

Don't Use For	structural silicone glazing applications
Don't Use With	substrates that bleed oil or plasticizers, wet or frost-laden surfaces