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配方类型:
TEXTILE SPECIALTIES
配方说明:
Ramie Bleach
配方组成:
配制方法:
This can be bleached to a lustrous white by pretreating in a bath containing 4% NaOH (based on dry weight of the ramie) for 0.5 h and then bleaching in a bath containing 7 lb of "Albone" 35 hydrogen peroxide and 13.5 lb of sodium silicate per 100 gal. The bleach is carried out at 180 F for 2-3 h.
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