久久国产精品成人免费秋霞,午夜成人理论福利片,久久久久精品毛片A级蜜桃,欧美成人精品一级在线观看,日本一区二区精品在线,黄色av中文字幕,一a亚洲AV

1. Anti-dust mite agents must have the safety of the human body, especially those with allergic constitution or weak resistance of the baby, who will also be allergic to some chemicals.So anti-dust mite agents should not cause irritation to the skin;

2. The dust mites must have killing and repellent performance;

3. Fiber processing must go through the heating and drying process, so the anti-mite agent must have good thermal stability;

4. In the production process of anti-dust mite agent shall not have odor;

5. Will not have chemical effects with other fiber finishing agents;

6. No coloring or discoloration occurs during or after processing;

7. The effect of anti-mite agent must be lasting;

8. The finished product must have superior washing resistance, weather resistance;

9. A wide range of adaptation, whether natural fibers or synthetic fibers can be applied.