Waterproof

Blanket

Project Specification

Commonly used specification

Length (m)

20

30

40

Scope (m)

4.0

5.0

6.0

Thickness (mm)

5

6

7

The Length, Scope , Thickness could be processed according to customers request

No.

Item

GCL-NP

GCL-NP Index

1

Bentonite Waterproof blanket mass-area ration (g/m2)

≥ 4000 and no less than specified value

2

Bentonite Expansiion Index (ml/2g)

≥ 24

3

The blue quantity of Absoption (g/100g)

≥30

4

Longitudinal strength (N/100mm)

≥600

5

Under biggest Load elongation ratio (%)

≥10

6

The supatex fabric with arranges the weaving strips the intensity (N/100mm)

≥40

7

Penetration Index (m/s)

≤ 5.0*10

8

Bearing of static Hydraulic Pressure

0.4Mpa, 1h, no infiltration

9

Filter Loss (ml)

≤18

10

Bentonite durability (ml/2g)

≥20