... temperature classification is T1-T4.Features1. The housing is formed by die casting of SMC, featured with high strength, impact ... resistance, anticorrosin, the lamp shade is formed through injection ofpolycarbonate, with characters of high transmittance and ... .1-2000 ,GB3836.2-2000,IEC60079Ordering reference:Select item by item accoring to description of product model, for example ...