Recognition content
The list of testing criteria eligible for specialized construction activities of LAS-Construction 448 laboratory includes: Cement testing; Aggregate testing for concrete and mortar; Mortar testing; Testing of concrete and heavy concrete mixtures; Laboratory soil testing; Testing of metals and metal products; Mineral powder testing; Bitumen testing; Liquid asphalt test; Acid asphalt emulsion testing; Asphalt concrete testing; Testing of adhesive reinforcement materials; Testing water for concrete and mortar; Testing of bentonite solutions and bentonite polymers; Testing masonry; Testing of self-inserting concrete tiles; Testing concrete bricks; Testing terrazzo tiles; Testing cement floor tiles; Testing of tiles; Testing of lightweight concrete - autoclaved aerated concrete (AAC) bricks, aerated concrete, non-autoclaved aerated concrete; Roofing tile testing; Field testing.
Technical standards used for tests 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 5 years from the date of issue.