Tus IIB tawg-proof classification inherently tshaj IIA, thiab qhov kub ntawm cov hoob kawm muaj peevxwm muab tsawg dua T1. li no, BT4 muaj ib superior explosion-proof ntsuam xyuas.
III | C | T 135°C | Db | IP65 |
---|---|---|---|---|
III plua plav | T1 450°C | Ma Ma | IP65 | |
T2 300°C | Mb | |||
T3 200°C | ||||
A Flammable ya flocs | da dej | |||
T4 135°C | ||||
Db | ||||
B Tsis muaj plua plav | T2 100°C | Dc | ||
C Tsim kom muaj plua plav | T6 85°C |
Txhua tawg-profo hoob kawm lub hom phaj kev ruaj ntseg. Cov lus qhia yuav nrhiav tau los ntawm searching rau Shenhai Explosion Pov thawj.