|
 |
◆High compression resistance
◆Impact strength resistance
◆High wreath steel degree．
◆Little resistance of liquid，high efficiency of transmission
◆Light weight．convenient for installation and maintenance
◆Good property of sealing．
◆Long using life． |
 |
 ◆Discharge of vaarious sanitary waste and sewage outside the construction
◆Municipal utilities drainage works-
◆Field drainage without pressure．
|
 |
Cycle inflexbility |
s0 |
≥2kN/㎡ | s1 |
≥4kN/㎡ |
s2 |
≥8kN/㎡ |
s3 |
≥16kN/㎡ |
|
| Impact strength |
TIR≤10% |
| Flexbility |
Sample is smooth ,without contraflexure cracking or slipoff between wall |
| Dichloromethang immersion test |
No sepatration between inner and outer walls with their surface change not worse than 4L |
| Oven test |
No delamination,no breakage |
| Creep rate |
≤2.5 |
|
 |
| Nominal outside diameter |
Min average inside diameter |
Cycle inflexibility |
| 200 |
172 |
s0≥2kn/㎡
s0≥4kn/ ㎡
s2≥8kn/㎡
|
| 315 |
270 |
| 400 |
340 |
| 500 |
432 |
|
