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