percentage

meltingpoint

°C

feature

usage

63/37   63

183

computer  , precise instrument

60/40   60

183-190

55/45    55

183-203

houesehold , electrical instrument

50/50    50

183-216

45/55    45

183-227

nomal

tools , toys and son on

40/60    40

183-238

35/65    35

183-247