This part specifies the measuring tools and equipment, calculation of test procedures and test results for the test methods of verticality and flatness of mineral wool and its products. This section applies to the determination of the verticality of mineral wool boards and semi-rigid boards and the flatness of mineral wool boards.
GB/T 5480.2-2004 history
2017GB/T 5480-2017 Test methods for mineral wool and its products
2008GB/T 5480-2008 Test methods for mineral wool and its products
2004GB/T 5480.2-2004 Test methods for mineral wool and its products part 2:Squareness and trueness
1985GB/T 5480.2-1985 Test method for the squareness and flatness of mineral wool board