Kind of hygroscopic products | Note | |
1 | Cotton fiber grade 1-5 | |
2 | Textile Cotton Waste St. 16 | |
3 | Textile Cotton Waste St. 11 | |
4 | Textile Cotton Waste St. 3/7 |
The following products are intended for use as an semi finished in the manufacturing of medical, cosmetic and hygiene products:
By organoleptic and physicochemical parameters of absorbent products must correspond the requirements specified in table 2.
The name of indicators | Standards for production | ||||
Waste fiber bleached |
Fiber cottonseed bleached | Cotton wool | Bleached cotton wool | ||
1 | 2 | 3 | 4 | 5 | |
1 | Appearance | In accordance with the view of the samples | |||
2 | Foreign smell | Not allowed | |||
3 | The degree of whiteness,%, not less | 66 | 70 | 66 | 76 |
4 | Moisture,%, no more | 10 | 10 | 10 | 8,0 |
5 | Reaction of the water extract, pH | Neutral | |||
6 | The absorption capacity, g, at least | 19 | 19 | 19 | 19 |
7 | Capillarity, mm, not less than | 67 | 67 | 67 | 67 |
8 | Waste,%, no more than | 1,5 | 1 | 2,0 | 0,7 |
9 | Mass fraction of fatty and waxy substances,%, no more | 0,5 | 0,5 | 0,5 | 0,5 |
10 | Ash content,%, not more | 0,4 | 0,4 | 0,4 | 0,4 |
11 | * Fluorescence (see note) | Light brown-violet fluorescence | Light brown-violet fluorescence | Light brown-violet fluorescence | The absence of intense blue glow |
12 | Mass fraction of chlorides,%, not more | - | - | - | 0,04 |
13 | Mass fraction of sulfuric acid salt,%, not more | - | - | - | 0,02 |
14 | Mass fraction of calcium salts,%, no more than | - | - | - | 0,06 |
15 | Mass fraction of not combed dense congestion, knots of fibers,%, no more | - | - | - | 5 |
16 | Mass fraction of short fibers (less than 5 mm) and cotton dust,%, no more than | - | - | - | 0,20 |