FIELD: construction.
SUBSTANCE: water-proofing sheet comprises three layers. The first layer provides mechanical strength of the sheet and is made of elastometer polyethylene of high strength and flexibility. The second layer is intermediate one, represents the connection between the first and second layers, and is made of foam plastic with closed pores. The third layer is made of a impermeable plastic material which possesses high resistance to breaking. The tensile strength, breaking elongation, and thickness of the sheet range from 24 MPa to 39 Mpa, from 550% to 900%, and 3 mm to 50 mm, respectively.
EFFECT: enhanced reliability.
5 cl, 2 dwg, 3 tbl
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