Technical Indices

What happens to concrete when coated with CN2000®?

Item Product Standard Index Testing Result Testing Method
Compressive strength
 
CN2000B
 
7d≥12.0MPa
28d≥18.0MPa
38.6MPa
41.8MPa
GB-18445
 
Bend strength
 
CN2000B
 
7d≥2.8MPa
28d≥3.5MPa
5.01MPa
6.91MPa
GB-18445
 
Cohesive strength to moist application surface
 
CN2000B
 
≥1.0MPa
 
2.34MPa
 
GB-18445
 
Impervious pressure
 
CN2000B
 
28d≥1.2MPa
 
1.2MPa
 
GB-18445
 
Secondary impervious pressure
 
CN2000B
 
56d≥0.8MPa
 
0.9(2.4)MPa
 
GB-18445
 

Technical Indices (CN2000B®)

Item
 
Standard Index (GB18445-2001 CII)
 
Standard Criteria
 
CN2000 Results
 
Set time
 
initial set time/min
final set time/h
≥20m
≤24hours
30
45 min
Impervious pressure/Mpa
 
28d
 
≥1.2
 
1.5
 
Secondary impervious pressure/Mpa
 
56d
 
>0.8
 
1.2
 
Bend strength/Mpa
 
7d
28d
>2.80
≥3.50
4.6
5.5
Comprehensive strength/Mpa
 
7d
28d
≥12.0
≥18.0
21.3
27.5
Pressure ratio of imperviousness/%
 
28d
 
≥300
 
300
 
Cohesive strength to moist application surface/Mpa
 
 
 
≥1.0
 
1.4
 

Technical Indices (flexible material CN2000C® + CN2000D®)

Item Standard Index
(JC/T894-2001)
I
Standard Index
(JC/T894-2001)
II
Testing Result
I
Testing Result
II
Tensile strength/MPa
 
Non-treating ≥1.2
 
Non-treating ≥1.8
 
1.5
 
2.8
 
Break stretch ratio/%
 
Non-treating ≥200
 
Non-treating ≥80
 
266
 
117
 

Environmental Protection Indices

Item Standard Index
(GB/T15516-1995, HJBZ004-1994)
Examined limit
Testing Result
Rigid Material
Testing Result
Flexible Material
Formaldehyde/(mg/m3)
 
0.008
 
Under examined limit
 
Under examined limit
 
Mercury Hg/(µ g/L)
 
0.05
 
—–
 
Under examined limit
 
Lead Pb/(µ g/L)
 
10
 
Under examined limit
 
Under examined limit
 
Zinc Zn//(µ g/L)
 
50
 
Under examined limit
 
Under examined limit
 
Cadmium Cd/(µ g/L)
 
0.5
 
Under examined limit
 
Under examined limit
 
Copper Cu/(µ g/L)
 
10
 
Under examined limit
 
—–
 
VOC/(mg/m3)
 
0.01
 
Under examined limit
 
Under examined limit