Penetration Bitumen 40/50 is another semi-hard grade bitumen commonly known as a cable grade. This grade, like other grades of penetration bitumen, is named and recognized based on the degree of penetration of the needle at standard ambient temperature.
The softness and firmness of this grade are temperature dependent, the higher temperature causes softer bitumen, and the lower temperature causes harder bitumen.
This grade of penetration bitumen, 40/50, has penetration between 40 and 50 desi-millimeters and has a softening point between 52 and 60 .
Penetration Bitumen 40/50 is used in various industries such as road construction and treatments, producing asphalt pavements and thinner cables, coating, sealing, etc. Also, it’s used in most bituminous products.
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