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Best for Industrial Use |
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Description :
Dowsil 734 RTV self-leveling adhesive/sealant resists Weathering, moisture, vibration, ozone, and temperature extremes. In addition, it stays flexible from -85 to 450 F (-65 to 232 C). Important Features : Ease of use - one part, no mixing required, Non shrinking. Does not crack, crumble or dry out in direct Sunlight. Excellent temperature range -65°C to +232°C. Meets FDA requirement no. 21 CFR 177.2600 (formerly 121.2562) subject to end use compliance with any applicable total extractive limitations. Bonds almost all surfaces. Chemically stable. Colours : White. Uses : Primarily used in application where a free-flowing, one part is needed. Applications include potting electrical terminals, coating mechanical devices, Sealing ammunition fuses, and making formed-in-place gaskets. Limitations : On contact, uncured sealant may cause irritation, avoid contact with eyes and skin. Packing : 100 GM tube Typical Properties : Flow, sag or sump - nil Tack free time at 24°C & 50 % RH - 20 min. Cure time at 25°C & 50 % RH - 24 hours As cured - Physical Properties : ASTM D 2240 - Durometer Hardness, Shore A - 24 ASTM D 412 - Ultimate Tensile Strength - 220 psi (mpa) ASTM D 412 - Elongation % - 370 ASTM D 624 - Tear Strenght, die B, ppi (kN/m) - 20 (3.5) ASTM D 746 - Brittle Point , degrees : -100 F (-73 C) As cured - Electrical Properties : Volume Resistivity at 73.4 +\- 3.6°F (23 +/-2°C) Ohm-cm = 1.7 x 10 (to the power 15) Dielectric Constant at 100 Hz = 2.7 Dielectric Constnat at 1,00,000 Hz = 2.7 Disspitaion Factor at 100 Hz = 0.007 Disspitaion Factor at 1,00,000 Hz = 0.0006 Dielectric Strength at 77°F ( 25°C) 75 mil thickness = 450 volts/mil Caution : Users are advised to conduct their own tests to check suitability to specific applications. Molykote, Dowsil & Dowsil are registered brand names of Dowsil Corporation, USA. |
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