Formula of using Gilsonite in production of bitumen membrane sheet

Formula of using Gilsonite in production of bitumen membrane sheet

Formula of mixing Gilsonite into bitumen to make cheap and high quality bitumen membrane sheet.

If you consider each batch of mixing Gilsonite  and Bitumen based on 8 tons then you need to blend:

1. 3MT equal 37.5% bitumen 160-220

2. 1.5MT Gilsonite equal to 18.5%

3. 3MT Talc powder equal to 37.5%

4. 0.5MT waste plastic 

Gilsonite increases in the shear strength of these mixture at the relatively high temperatures encountered in roofing membrane sheet applications.

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