RS ISO 21138-1: 2020 PLASTICS PIPING SYSTEMS FOR NON-PRESSURE
UNDERGROUND DRAINAGE AND SEWERAGE —
STRUCTURED-WALL PIPING SYSTEMS OF
UNPLASTICIZED POLY(VINYL CHLORIDE) (PVC-U),
POLYPROPYLENE (PP) AND POLYETHYLENE (PE) —
PART 1: MATERIAL SPECIFICATION AND PERFORMANCE
CRIT
25,500.00
76
1,938,000.00
2
Rwanda Standards
RS ASTM D2170/D2170M-18 STANDARD TEST METHOD FOR KINEMATIC VISCOSITY OF ASPHALTS1
