This standard specifies a method for the determination of the downhole resistance of fabrics. This standard is applicable to various fabrics used as linings and fabrics for down products.
GB/T 12705-1991 history
2009GB/T 12705.2-2009 Textile.Methods of testing the down-proof properties of fabrics.Part 2:Tumble test
1991GB/T 12705-1991 Textile fabrics--Testing method for penetration resistance to feather and down