Silk clothing should not use washing machines wash.

丝绸衣物不宜用洗衣机洗涤。

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Base characteristic of silk sand washing process, mostly materials used in fusible interlining was selected.

本文根据丝绸砂洗工艺的特点对生产浆点粘合衬布的主要原材料进行了试验筛选。

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For paint stains on the surface of cotton and silk fabrics, wipe it off with kerosene or turpentine oil before washing.

棉、丝织品上若沾染油漆渍，需先用煤油或松节油擦到去渍为止，然后洗衣。

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For his entry in the 2012 edition of Who's Who, the director listed his interests as "eating, being difficult, making table mats, washing silk shirts" and "doing Pilates badly".

BBC: Michael Winner: Death Wish director dies aged 77

This means that when properly cared for (read: dry cleaning or hand-washing), silk bedding can last for many years.

WSJ: Better Beauty Sleep