bitumen penetration grade 160/220 origin of iran uses for road construction

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Brand: PUBLTD
规格: pure, high quality, iran petrochemicals
Price: Negotiable
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Delivery: Shipment within 35 days since the date of payment
Address: Iran
Valid until: Never Expire
Updated on: 2018-12-18 20:22
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Penetration value is a measure of hardness or consistency of bituminous material. It is the vertical distance traversed or penetrated by the point of a standard needle in to the bituminous material under specific conditions of load, time and temperature. This distance is measured in one tenths of a millimeter. This test is used for evaluating consistency of bitumen. It is not regarded as suitable for use in connection with the testing of road tar because of the high surface tension exhibited by these materials.
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