[ Application ]
water / damp-proofing, metal / concrete protective coating, roofing, Insulator,
pipe coating, etc
This is produced by blowing air through straight run asphalt at temperatures usually in the range of 200 to 250 °C and modified of high softening point and law penetration number by oxidation polymerization blown asphalt specified to five grade in accordance with a degree high(low) penetration number.
Blown asphalt has vast of elasticity, strong of resistance at this time being shocked, low Temperature Susceptibility, etc.