Bitumen Sealing Compound

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Details :

• Scope - Hot applied sealing compounds are intended for use in sealing joints in concrete roads,runways,bridges and other structures.
• Materials - Joint sealing compounds composed of suitable mixtures of materials,shall form a resilient and adhesive barrier in concrete joints and shall be capable of resisting the infiltration of water and the ingress of solid particles. They shall not be unduly affected by temperature variation, and shall resist the tendency to flow out of the joint or be picked up by vehicle tiers under hot weather conditions. Heating of Sealing Compound should be carried out to the extent so as to achieve a pouring consistency enabling it to run molten in a uniform manner into all types of horizontal joints without difficulty. Sealing compounds shall be employed for filling contraction and construction joints as well as a sealing medium above expansion joint fillers to a depth not exceeding 40mm. Suitable primers may be first applied to the vertical faces of the concrete joint before the pouring of sealing compounds in order to improve the adhesive qualities of the latter.

Grades This standard covers two grades of sealing compounds :

• Grade A (Ordinary) - Grade A is suitable for use in concrete constructions other than those which are subjected to spillage of kerosene or other petroleum oils.
• Grade B (Fuel Resistant) - Grade B is suitable for use in construction where resistance to kerosene or other petroleum oil is required.
• Covering Capacity Estimation guide for joint Sealing Compounds required per 100 meters running in kg. of 25mm depth is as under - 12mm 40kg.18mm 60kg.25mm 80kg. Consider 5% wastage