This standard specifies the specifications, requirements, and tests for low-density polyethylene pipes (hereinafter referred to as "pipes") extruded from low-density polyethylene (LDPE) resin or linear low-density polyethylene (LLDPE) resin and their mixtures. Methods, inspection rules and markings, packaging, transportation, storage. This standard applies to water supply pipes with a nominal pressure not greater than 0.6MPa, a nominal outer diameter of 16mm to 110mm, and a delivery water temperature below 40°C.
QB/T 1930-2006 Referenced Document
GB/T 1033-1986 Test method for density and relative density of plastics
GB/T 2828.1-2003 Sampling procedures for inspection by attributes--Part 1: Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection
GB/T 2918-1998 Plastics--Standard atmospheres for conditioning and testing
GB/T 3682-2000 Determination of the melt mass-flow rate (MFR) and the melt volume-flow rate (MVR) of thermoplastics
GB/T 6111-2003 Thermoplastics pipes for the conveyance of fluids-Resistance to internal pressure--Test method
QB/T 1930-2006 history
2006QB/T 1930-2006 Low density polyethylene pipes for water supply
1994QB/T 1930-1993 Low-density polyethylene (LDPE LLDPE) pipes for water supply