The JGPCO anufacturer of blown asphalt 90/40 in various packing including kraft bag, meltable plastic bag, drum and bulk blown asphalt 90/40 from penetration grade bitumen, which is blown by hot air in a controlled process until the desired specification is reached. The JGPCO oxidised bitumen 90/40 can be supplied in any grade and are designated by two numbers to indicate the softening point and penetration ranges. The oxidized asphalt grade 90/40 means softening point is 90°c and penetration is 40 desimillimiter is produced in compliance and conformity to ASTM standard and meets the following specification.
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