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Description for Dow 93-076-1/2 Aerospace Sealant
Good tensile strength, bond strength, char characteristics, resistance to weathering, moisture and ozone; low thermal conductivity.Note: This material has been discontinued. Please view the Manufacturer's Recommended Replacement tab or call us at (262) 293-7970 for additional help.
Application Type Bond, Coat, Sealant 1 Part or 2 Part 2 Part Material Form Paste, Silicone elastomer Substrate Epoxy, Phenolic, Glass, Aluminum, Metals, Titanium, Plastics, Polyester, Cured silicone rubber, Stainless Steel, Silicone resin laminates Industry Cable breakouts, Aerospace, Aircraft Manufacturer Dow Chemistry Silicone elastomer Cure Method Base/Catalyst Cure Temperature (°C) 20 to 25, 25, 85, 95 Cure Time (min) 1,440, 240, 120 Color Beige, Beige Ozone Resistance Good ozone resistance High Temperature Resistance (°C) 260 Low Temperature Resistance (°C) -65, -68 Density (g/cm³) 0.001
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Tack Free Time Test Methods
Tack Free Time | Test Method |
---|---|
240 min | CTM 0095, 1/2 hour cataly |
840 min | CTM 0095, 2 hour catalyst |
Work / Pot Time Test Methods
Work / Pot Time | Test Method |
---|---|
30 min | CTM 0092A,1/2 |
120 min | 2 hour catalyst, Length of time that at least 15 grams per minute of sealant can be extruded through a 3mm orifice of a standard 6 oz sealant cartridge under 6.3 MPa pressure. |
Shear Strength Test Methods
Shear Strength | Type | Substrate | Test Method |
---|---|---|---|
2.3 (Mpa) | Lap shear strength | Aluminum | CTM 0293, For good adhesion, all substrates except silicone rubber, should be primed with DOW CORNING® 1204 primer. All bond strengths measured on ASTM-D-2024-T3 aluminium. |
Tensile Strength Test Methods
Tensile Strength | Test Method |
---|---|
Good | |
5.2 (Mpa) | CTM 0137A, ASTM D412 |
Peel Strength Test Methods
Peel Strength | Substrate | Test Method |
---|---|---|
12 (kN/m) | 1.5mm glue, 6mm cold rolled steel | CTM 0293 |
Tear Strength Test Methods
Tear Strength | Test Method |
---|---|
25 (kN/m) | CTM 0159A, ASTM D624, Die B |
Dielectric Strength Test Methods
Dielectric Strength | Test Method |
---|---|
16,000,000 V/mil | Dielectric Strength Test Method |
Dissipation Factor Test Methods
Dissipation Factor | Test Method |
---|---|
0.01 (100 Hz) | CTM 0112, ASTM D150 |
0.01 (100 kHz) | CTM 0112, ASTM D150 |
Elongation Test Methods
Elongation | Test Method |
---|---|
4 % | CTM 0137A |
Shore A Hardness Test Methods
Shore A Hardness | Shore Hardness Test Method |
---|---|
46 | CTM 0099, ASTM D2240 |
Density Test Methods
Density | Temperature | Test Method |
---|---|---|
0.001 g/cm³ | 25°C | CTM 0022, ASTM D792 |