RS ISO 21138-3: 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 3: PIPES AND FITTINGS WITH NON-SMOOTH
EXTERNAL
57,000.00
3
171,000.00
2
Rwanda Standards
RS ISO 3127: 1994 THERMOPLASTICS PIPES — DETERMINATION OF
RESISTANCE TO EXTERNAL BLOWS — ROUND-THECLOCK
METHOD
16,500.00
1
16,500.00
3
Rwanda Standards
RS ISO 1183-1: 2025 PLASTICS — METHODS FOR DETERMINING THE
DENSITY OF NON-CELLULAR PLASTICS —
PART 1: IMMERSION METHOD, LIQUID
PYCNOMETER METHOD AND TITRATION METHOD
