Recognition content
The list of testing criteria eligible for specialized construction activities of LAS-Construction 321 laboratory includes: Cement; Aggregate for concrete and mortar; Heavy concrete and concrete mixtures; Waterproofing additives, chemical additives for concrete and mortar; Metal and welds; Soil and rocks in the room; Scene; Bentonite; Rubber bridge bearings, expansion joints, rubber seals, water stop tape; Waterproof membranes and sheets; Plastic pipes and fittings: Polyethylene (PE), Polypropylene (PP), Polyvinyl chloride (PVC-U); Construction water; Construction glass; Paint; Bricks and tiles; Acid-based asphalt emulsion; Liquid asphalt; Polymer asphalt; Geotextile, absorbent wick, absorbent cover; Bitumen; Asphalt concrete; Mechanics of mineral powder materials in asphalt concrete; Construction mortar; Plaster, putty.
The technical standards of the test are fully listed, including Vietnamese and foreign standards (if any). When there is a new version of a technical standard replacing the old standard, the corresponding new standard must be applied.
This certificate is valid for 05 years from the date of issue and replaces Certificate No. 1014/GCN-BXD issued on July 22, 2019.