Bitumen grades are 30-40,60-70, 80-100. what is mean by 30-
40
Answer Posted / anwar_eng04
the rage 30-40 means the bitumen has having grades between
these two valus and and it is determined by average
peneteration value of the test which conducted by the
instrument called penetrometer.
| Is This Answer Correct ? | 37 Yes | 5 No |
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