This standard specifies two methods for warmth retention property of textiles. Select one of them as required.
Method A: flat-plate-type constant-temperature-difference heat dissipation method which is applicable to the determination for warmth retention properties of various textiles.
Method B: tube-type temperature rising and dropping timing heat dissipation method which is applicable to the determination for warmth retention properties of various textiles while not applicable to a small kinds of rigid textiles.
GB/T 11048-1989 The following standards are cited: