国产高潮精品一区二区三区av ,中文字幕精品一区二区日本,丝袜美腿爆炒国产在线观看,久久精品成人91一区二区,国产亚洲自在精品久久,亚洲av永久久无久之码精,久久国产成人精品av,亚洲国产欲色有一二欲色,亚洲一区二区成人在线视频,懂色av一区二区三区免费观看

【Technical index】

Ionicity:negative

Appearance: light yellow to light brown liquid
Storage: 2 years under seal
 

【Performance and features】

1． whitening of cotton, fiber, mucilage glue textiles

2．high whitening efficiency

3．stable to electrolyte and hard water

4． low appetency and high acid resistant property

5． high stability
 

【Application method】

1．Common technique:
formula: Fluorescent whitening agent MST-L   5-25 g/L      technique: 150-170℃*60 seconds
2．resin after treating: pad dyeing technique:
formula: Fluorescent whitening agent  MST-L   5-25 g/L , melamine xg/L, resin catalytic agentxg/L

technique: mangle expression 80-100%  drying: 135℃*60 seconds  fixation: 150-170℃*60 seconds
 

【Packing and storage】

60kg plastic drum with inner double layer PE bag