Iran Oxidized Bitumen 75/25

Oxidized bitumen 75/25 is using in roofing manufacturing plants to produce shingles, roll goods, built-up roofing felts, and under layment felts, these oxidized asphalt 75/25 are shipped cold in bag and heating to became hot until used in the manufacturing process . Most blown bitumen 75/25 used to produce "mopping-grade" roofing asphalts. These bitumen 75/25 are generally shipped as a solid and heated in a kettle at the work site.

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