PZ series water swelling waterstop products - Expansion rubber - Physical properties (BF) GB/T18173.3-2002
| serial number |
project |
indicator |
| PZ-150 |
PZ-250 |
PZ-400 |
PZ-600 |
| one |
Hardness (Shore A)/Degree 50-60 |
42±7 |
45±7 |
48±7 |
| two |
Tensile strength/MPa 2.5-3.97 ≥ |
three point five |
three |
| three |
Tensile elongation at break/% ≥ |
four hundred and fifty |
three hundred and fifty |
| four |
Volume expansion ratio/% ≥ |
one hundred and fifty |
two hundred and fifty |
four hundred |
six hundred |
| five |
Repeated immersion test |
Tensile strength/MPa ≥ |
three |
two |
| Tensile elongation at break/% ≥ |
three hundred and fifty |
two hundred and fifty |
| Volume expansion ratio/% ≥ |
one hundred and fifty |
two hundred and fifty |
three hundred |
five hundred |
| six |
Low temperature bending (-20 ℃ × 2h) |
crack-free |
| Note: 1. Hardness is a recommended item. 2. Finished product slice testing should reach 80% of this standard. 3. The tensile strength index of the joint part should not be less than 50% |
Physical properties of putty type expanded rubber (BW) GB/T18173.3-2002
| serial number |
project |
indicator |
| PN-150 |
PN-220 |
PN-300 |
| one |
Volume expansion ratio/% ≥ |
one hundred and fifty |
two hundred and twenty |
three hundred |
| two |
High temperature flowability (80 ℃ × 5 h) |
No flowing |
No flowing |
No flowing |
| three |
Low temperature test (-20 ℃ × 5 h) |
crack-free |
crack-free |
crack-free |
| 1) The inspection results should indicate the testing method. |
PZ series water swelling waterstop strip