Tīmeklis2024. gada 13. apr. · 当LED灯板处于非Class 2电路中时,硅胶涂层的材料必须有CCN为QMJU2(Coatings for Use on Recognized Printed Wiring Boards)的认证。硅胶涂层最好选用同时有QMJU2和QMFZ2这2种认证的材料。QMJU2材料选用时还需注意以下几点: TīmeklisQMJU2 Connector Rated ____ V, _____ A RTRT2 ECBT2 RFWV2 (UL) Contactors Rated ____ V, _____ A NRNT2 (UL) Crimp Connectors Crimpedon closedloop or spade connectors for securing under screw terminals or quickdisconnect type connectors with positive detent ZMVV2 (UL) UL 486 ...
Vernis de tropicalisation ABchimie746 E UV
Tīmeklis全球涂敷中心网络随时为您提供服务. Specialty Coating Systems在世界各地开设多家 涂敷工厂 ,以满足客户的工程和生产要求。. 如需与应用专家讨论聚对二甲苯敷形涂层的优点和特性以及您的防护需求,请在线 联系我们 或致电 +86 (21) 57683135。. 获取涂层领 … TīmeklisKonform AR Acrylic Conformal Coating is easy to use, offers great protective properties, and is both IPC-CC-830B and UL certified. Silicone Resin (SR) – Silicone conformal coating provides excellent protection in a very wide temperature range. SR provides good chemical resistance, moisture and salt spray resistance, and is very flexible. irs 70-604 election
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http://www.huiqiaocn.com/UL2024.pdf TīmeklisUL746-QMJU2: Meets Requirements Liquid Properties Appearance: Faint Yellow Liquid Base material: Urethane acrylate Density @ 20°C (g/ml): 1.1 ± 0.05 Viscosity @ 20°C (mPa s): 110 ± 40 Solids Content (%): >99 Dry Film Coating Colour: Colourless Tīmeklis2013. gada 12. janv. · Available in the 8" x 9" size with two columns per page contains the following categories of polymeric materials components - QMFZ2, QMJU2, … irs 6848 form