Testing method
1.The outer quality of soft pipe should be inspected according to the stipulation of GB1189, and the size of soft pipe should be measured in accordance with the stipulation of GB9573.
2.The tests of soft pipe's rubber layer tensile strength, break expansion rate, aging-resistant performance, the adhesive strength between layers and liquid volume expansion-resistance are to be conducted according to GB5562.
3.The test of soft pipe's ozone-resistant performance is to be conducted according to GB9571.
4.The tests of soft pipe's pressure resistance and of blasting explosive pressure are to be conducted in accordance with GB5563.
5.The soft pipe's volume expansion test under pressure is to be conducted according to the testing method of Appendix A.
6.The test of soft pipe's conduction is to be conducted according to GB9572.
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