惠州市博容新材料有限公司 | ||
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DOLPHS自干型绝缘漆AC-43变压器凡立水 CLEAR AIR DRYING VARNISH PRODUCT DESCRIPTION AC-43 is a high temperature; fast cure, air dry, modified polyester varnish. Perfect for dip or spray applications where a clean clear protective coating is needed over various electric apparatus. FEATURES & BENEFITS • Quick drying • Toughness and flexibility • Good penetration • Heat resistant • Fast cure cycles • Solderable • Acid and alkali resistant • UL Systems to 180°C TYPICAL APPLICATIONS • Stator Windings • Coils • Transformers • Printed Circuit Boards • Resistors • Capacitors TYPICAL PROPERTIES Physical Appearance/Color Light-Dark Amber Density @ 77°F (25°C), Lbs/gal 7.0 –8.0 Viscosity @ 77ºF (25º C), Brookfield Viscometer, cps 20 – 70 Viscosity Dolph’s viscosimeter @ 77°F 5 – 20 sec. Film Build, mils/side, ASTM D-115 1 - 1.5 Flash Point, °F 54 Thinner (solvent) T-200X RMP/ds/AC43.05/07 VOC Content, ASTM D 6053, lbs/gal 4.3 Corrosive Effect on Copper None Air Drying Time on Copper Strip, ASTM D-115, Min. Set to Touch Tack Free 10 60 Electrical Dielectric Strength, ASTM D115, volts/mil Dry Wet 2,000 1,200 Chemical Resistance Water Excellent Acid (10% Sulfuric Acid) Excellent Alkali (1% Sodium Hydroxide) Excellent Salt Water Excellent Oil, ASTM D-115 Passed Thermal Class (UL-1446) Twisted Pair MW-24 MW-28 MW-35 155 130 180 APPLICATION GUIDELINES AC-43 may be applied by brushing, dipping, or spray. It will air dry in one hour but can be baked to improve its chemical and oil resistance. A 10-15 minutes bake at 300°F will provide a film with optimum toughness and bond strength. For fast conveyor operation, the following cycle is recommended. We recommend that all ovens be preheated prior to the units being preheated and/or cured. NOTE: AC-43 should be thinned 15% by volume for this type of cycle. 1. Preheat 10 minutes at 300°F. 2. Dip 15 seconds, or until bubbles have stopped. 3. Drain 45 seconds. 4. Bake 5 minutes at 300°F. STORAGE AND SHELF LIFE Shelf life is one year from date of shipment from our plant, when stored in closed containers at 70°F or below. 1. Store in cool, dry place at 70°F/21°C or below. 2. Protect from direct sunlight and sources of heat |
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