Refractoriness/fusion points of 'superduty' refractories is __________ °C.?

1520-1630
1630-1670
> 1730
> 2000

LohaHridoy

4 views

2025-01-04 04:42

1 Answers

AhmedNazir

Answer: Option 3

4 views Answered 2022-09-01 13:21

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