Recognition content
The list of testing criteria eligible for specialized construction activities of the LAS-Construction 1821 laboratory includes: Cement; Concrete and heavy concrete; Aggregate for concrete and mortar; Construction mortar; Soil testing; Asphalt concrete; Bitumen; Mineral powder in asphalt; Scene; Bentonite solution; Metal and metal welds; Tiles, multi-tiled tiles; Terazo brick; Masonry bricks; Concrete bricks; Self-inserting concrete tiles; Natural tiles and stone; Country of construction. Technical standards used for tests are fully listed, including Vietnamese and foreign standards (if any). When there is a new version of technical standards to replace the old standards, the corresponding new standards must be applied. This certificate is valid for 5 years from the date of issue.