Dow 795 Silicone Building Sealant

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Description for Dow 795 Silicone Building Sealant

Excellent weatherability; resistant to temperature extremes; excellent unprimed adhesion to a wide variety of construction materials; all temperature gunnability.

*See Terms of Use Below

Application Type	Bond, Seal
1 Part or 2 Part	1 Part
Material Form	Paste
Substrate	Coated aluminums, Glass, Anodized, Plastics, Steel, Alodined, Concrete, Porous, Non-porous, Painted aluminums, Painted metal, EIFS, Granite
Manufacturer	Dow
Chemistry	Silicone
Cure Method	Moisture
Cure Temperature (°C)	25, 25
Cure Time (min)	10,080 to 20,160, 30,240
Viscosity (cPs)	Non-sag, Slump
Color	Black, Blue spruce, Adobe tan, Stone, Limestone, Adobe tan, Adobe tan, White, Bronze, Gray: Aluminum, Charcoal, Blue spruce, Gray, Sandstone, Brick, Sandstone, Rustic brick, Limestone, Dusty rose, Rustic brick
High Temperature Resistance (°C)	149
Low Temperature Resistance (°C)	-40
Key Specifications	ASTM (American Standard Test Method): C 920: ASTM Specification C 1184; ASTM Specification C 920 Type S, Grade NS, Class 50, Use NT, G, A and O, ASTM (American Standard Test Method): ASTM Specification C 1184; ASTM Specification C 920 Type S, Grade NS, Class 50, Use NT, G, A and O, CAN/CGSB (Canadian General Standards Board): Canadian Specification CAN2-19.13-M82, TT (U.S. Federal Specification): S-00230C: Federal Specification TT-S-001543A(COM-NBS) Class A; Federal Specification TT-S-00230C (COM-NBS) Class A, TT (U.S. Federal Specification): S-001543A: Federal Specification TT-S-001543A(COM-NBS) Class A; Federal Specification TT-S-00230C (COM-NBS) Class A

Best Practices for Dow 795 Silicone Building Sealant

*See Terms of Use Below

Surface Preparation

Clean all joints, removing all foreign matter and contaminants such as grease, oil, dust, water, frost, surface dirt, old sealants or glazing compounds and protective coatings.
Application

Install backing material or joint filler, setting blocks, spacer shims and tapes. Mask areas adjacent to joints to ensure neat sealant lines. Primer is generally not required on non-porous surfaces, but may be necessary for optimal sealing of certain porous surfaces. A test placement is always recommended. Apply Dow Corning 795 Silicone Building Sealant in a continuous operation using positive pressure. (The sealant can be applied using many types of air-operated guns and most types of bulk dispensing equipment.) Before a skin forms (typically within 15 minutes), tool the sealant with light pressure to spread the sealant against the backing material and joint surfaces. Remove masking tape as soon as the bead is tooled.

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Technical Data

Overview

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Specifications

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Best Practices

*See Terms of Use Below
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Comparable Materials

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Cure Temperature Test Methods

Cure Temperature	Cure Time Test Method
25°C	25°C 77°F and 50% RH
25°C	As Cured – After 21 days at 25°C (77°F) and 50% RH

Cure Time Test Methods

Cure Time	Test Method
10,080 to 20,160 min	25°C 77°F and 50% RH
30,240 min	As Cured – After 21 days at 25°C (77°F) and 50% RH

Tack Free Time Test Methods

Tack Free Time	Test Method
180 min	ASTM C 679, 50% RH

Peel Strength Test Methods

Peel Strength	Cure Time	Cure Temperature	Cure Humidity	Test Method
32 (lb/in)	30,240 min	25°C	50 (%) RH	ASTM C 794, As Cured – After 21 days at 25°C (77°F) and 50% RH

Tensile Strength Test Methods

Tensile Strength	Cure Time	Cure Temperature	Cure Humidity	Test Method
45 psi	30,240 min	25°C	50 (%) RH	ASTM C 1135, at 25% Extension
60 psi	30,240 min	25°C	50 (%) RH	ASTM C 1135, at 50% Extension
35 psi	30,240 min	25°C	50 (%) RH	ASTM C 1135, As Cured – After 21 days at 25°C (77°F) and 50% RH followed by 10,000 hours in a QUV weatherometer, ASTM G 53
50 psi	30,240 min	25°C	50 (%) RH	ASTM C 1135, As Cured – After 21 days at 25°C (77°F) and 50% RH followed by 10,000 hours in a QUV weatherometer, ASTM G 53

Shore A Hardness Test Methods

Shore A Hardness	Shore Hardness Test Method	Hardness Temperature
35	ASTM D 2240, After 21 days at 25°C (77°F) and 50% RH	25°C

Dow 795 Silicone Building Sealant

Description for Dow 795 Silicone Building Sealant

Best Practices for Dow 795 Silicone Building Sealant

Surface Preparation

Application

Register for FREE to view more details

Why register?

Sign up now Already registered? Sign in!

Technical Data

Overview

aliquam elit.

ipsum.

consectetuer.

amet ut sed.

Specifications

consectetuer diam.

aliquam.

sit nonummy diam.

sed euismod.

Best Practices

sit tincidunt sit.

aliquam nibh ut sed dolore erat.

nonummy magna nonummy lorem.

elit laoreet adipiscing sed elit elit.

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Gluespec Poll

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Cure Temperature Test Methods

Cure Time Test Methods

Tack Free Time Test Methods

Peel Strength Test Methods

Tensile Strength Test Methods

Shore A Hardness Test Methods

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