Description

[Product]: "Yuhong" brand waterproof membrane of elastomer (SBS) modified asphalt is a kind of windable sheet waterproof material, which adopts styrene-butadiene-styrene (SBS) modified asphalt as a dipping and covering modifier, whose upper surface is coated by PE film, fine sand, mineral granules or aluminum foil, copper foils or other isolating materials.

It abides by standard-GB*********0 Waterproof Membrane of Elastomer (SBS) Modified Asphalt.

[Types, Grades and Specifications]:
Type:
· According to physical properties, it is classified into Type I and Type II;
· According to substrates, it is classified into polyester fiber(PY) and glass fiber (G);
· According to materials coated on the upper surface, it is classified into PE film (PE), fine sand (S), and mineral material (M);

Specifications:
· According to different substrates and different upper materials, it is classified into 6 grades, please see Table 1 for reference.
Table 1
· Specification
? Breadth, ***0mm.
? Thickness:
PY fiber membrane: 3mm and 4mm;
G fiber membrane: 2mm, 3mm and 4mm.
? Area per roll: *5m2(2mm), *0m2(3mm) and 7.5m2(4mm)

[Physical and Mechanical Properties]: Standard value of GB**********- see Table 2.
Table 2 Physical and Mechanical Properties

· Features
· Spunbonded polyester fiber membrane— — Integrated advantage properties of spunbonded polyester substrates and SBS modified asphalt, wonderful integrated properties.
? It could form waterproof layer, which has high strength and good property to stand against water pressure;
? High tensile strength and elongation rate, strong adaptability for substrate shrinking distortion and cracks;
? Good high and low temperature resistance, could keep its functions at **0º C and be used in cold or hot areas, especially in cold areas;
Resistance to puncture, pressing and rubbing, tearing, and wearing;
? Good resistance to corrosion, mildew and weathering;
? Good construction performance, with firm and enduring joints.
· No alkali glass fiber membrane— — Pretty high tensile strength, wonderful high and low temperature resistance, resistance to damnification, corrosion, mildew and weathering; Good construction performance.

[Application Range]: It could be widely used in all kinds of waterproof engineering projects in all fields, especially in the following types of engineering projects:
· All kinds of building roofs engineering projects, exposed, non-exposed, heat preservation, non-heat preservation, planting building roofs and roof parking lots;
· All kinds of underground waterproof or dampproof engineering projects;
· Bridge surfaces of subways, tunnels, concrete roads, sewage treatment and garbage burying projects;
· Water spraying pools, swimming, penstocks, water pools, and so on.