Product Name: Ring Stiffness Tester for Pipe Test Model NO.: JJ-TEST Condition: Used Customized: Customized Certification: CE, ISO9001:2008, UL, QS, GMP Computerized: Computerized Automation: Automatic Screw No.: Multi-screw Product Type: PE Water-supply Pipes Trademark: JInjian Transport Package: Wood Specification: ISO9967 Origin: China HS Code: 90248000 Product Description The tester is used to determine ring stiffness,ring softness and compression of thermoplastic pies having circular cross-section. It conforms to the requirements of all kinds of plastic pipes, such as structured-wall pipes,PE corrugated pipes, helically wound pipes,etc.