No.

Item

National

Standard I

National

Standard II

1

Solid content %≥

92

2

Dry time, h≤

Dry time of Outside

8

Dry time of Inside

24

3

Tensile strength, Mpa≥

1.9

2.45

4

Tear strength, N/mm≥

12

14

5

Breaking elongation, (normal temperature),%≥

450

450

6

Water impermeability, 0.3Mpa 30min

Impermeable

7

Bending at low temperature, °C≤

-40

8

Bonding strength of Moist basea, Mpa≥

0.5

9

Service temperature

-30-80°C

a. It is only required for moist substratum of underground project.