Overviews on PMMA MMA is; Colorless and transparent liquid. Its polymer is hard and transparent resin like glass and has excellent weatherability, transparency and high gloss.…
BRITISH STANDARD Plastics piping systems for non-pressure underground drainage and sewerage Ð Unplasticized poly(vinyl chloride) (PVC-U) Ð Part 1: Specifications for pipes,…
IS 4985 : 2000 (Reaffirmed 2005) Edition 4.1 (2006-03) Indian Standard UNPLASTICIZED PVC PIPES FOR POTABLE WATER SUPPLIES — SPECIFICATION ( Third Revision ) (Incorporating…