Recognition content
The list of testing parameters for which laboratory LAS-XD 640 is qualified to operate in the Construction sector includes: Cement and binder testing; Aggregate testing for concrete and mortar, testing of physical and mechanical properties of crushed sand; Testing of lightweight concrete aggregates; Brick testing; Testing of non-fired concrete bricks, interlocking concrete; Testing of lightweight concrete bricks, autoclaved and non-autoclaved aerated concrete bricks; Tile sample testing; Terrazzo tile testing; Ceramic and sanitary ware testing; Testing of natural stone cladding and paving; Testing of artificial stone cladding and paving; Tile testing; Silicone sealant; Testing of cement paving bricks; Putty testing; Bentonite and polymer testing; Concrete and mortar testing; Metal and welding joint testing; Bridge bearing, expansion joint, and rubber testing; Construction water sample testing; Chemical and mineral additive testing. Testing of fly ash and stiffening materials; Testing of pipes and fittings; Testing of PE, HDPE, and SDR-PR pipes; Testing of conduits and electrical wires; Testing of paint samples; Testing of waterproofing materials; Testing of waterproofing membranes, rubber gaskets, and waterstops; Testing of building glass; Testing of drywall frames and partitions; Testing of frames and doors; Testing of domestic electrical wires, cables, and accessories; Laboratory testing of soil, rock, and gravel mechanics; Field testing; Testing of asphalt – liquid asphalt; Testing of asphalt emulsion; Testing of mineral powder in asphalt concrete; Testing of asphalt concrete; Testing of polymer asphalt; Testing of geotextiles, geogrids, drainage wicks, coverings, and oil paper; Testing of industrial wood: fiberboard, MDF, plywood, artificial wood, and laminated wood; Testing of compact panels and aluminum; Testing of composite panels; Testing of natural wood; Testing of cement-soil mixtures; Testing of waterproofing sheets, clay mats, and expansion joints. The technical standards used for the tests are fully listed, including Vietnamese and foreign standards (if any). When a new version of a technical standard replaces an old one, the corresponding new standard must be applied. This certificate replaces Certificate No. 413/GCN-BXD dated May 4, 2019, issued by the Ministry of Construction and is valid from the date of issuance until May 4, 2024.