This standard specifies the preparation method of test specimens for thickness, bulk density, resilience, heating permanent line change, thermal conductivity, tensile strength and slag content of refractory ceramic fiber products. This standard applies to refractory ceramic fiber cotton, blankets, felts, braids, boards, paper and preformed products, not to products delivered in a wet state.
GB/T 17911.1-1999 history
2018GB/T 17911-2018 Methods of test for refractory fibre products
2006GB/T 17911-2006 Refractory products. Methods of test for ceramic fibre products
1999GB/T 17911.1-1999 Refractory ceramic fibre products--Preparation of test pieces
GB/T 17911.1-1999 Refractory ceramic fibre products--Preparation of test pieces was changed to GB/T 17911-2006 Refractory products. Methods of test for ceramic fibre products.