1, GB /T 5 28-1998 vulcanized rubber and thermoplastic rubber tensile stress-strain properties of determination (eqvI SO 37:1994).
2, GB / T 5 31-1999 rubber pocket hardness tester press man hardness test method (idtISO 7619:1986).
3, GB /T 5 32-1997 vulcanized rubber and thermoplastic rubber and fabric bonding strength determination (idtI SO 36:1993).
4, GB /T 1 682-1994 Determination of low temperature brittleness of vulcanized rubber single sample method.
5, GB /T 1 690-1992 vulcanized rubber liquid resistance test method (neqI SO 1817:1985).
6, GB /T 3 512-1983 (1989) rubber hot air aging test method (neqI SO 188:1976).
7, GB / T 5 563-1994 rubber, plastic hose and hose assembly hydraulic test method.
8, GB / T 5 567-1994 rubber, plastic hose and hose assembly determination of vacuum performance.
9, GB /T 5 749-1985 drinking water health standards.
10, GB /T 1 7219-1998 living water transmission and distribution equipment and protective materials, safety evaluation standards.