Talent trick: it is better to teach your hotel how to wash linen.

Now it is listed as follows: 1. The main reasons for the decrease of strength of flax fiber or some fibers are as follows: a. the concentration of bleaching agent is too high; B. the PH value of chlorine bleach is too low; C. the temperature is too high during bleaching; D. high temperature and high alkali content main washing; E. the water level is too low when washing; Excessive use of acid agents; 2. The main causes of damage on flax are as follows: a. Excessive local bleaching with bleaching agent leads to local damage on flax; B. Strong washing powder or caustic soda is not well mixed and directly dripped on linen, resulting in spots; 3. The main causes of flax damage are: a. Incorrect bleaching process; B. The linen was stained with corrosive washing materials and was not washed immediately; C. abuse of washing materials; D. catalytic decomposition of trace metals in bleaching bath; 4. The main reasons why linen turns gray or yellow after washing are: a. The dirt is not completely removed; B. The water quality has high hardness, and calcium, magnesium and salt are deposited; C. calcium soap deposition; E. redeposition of dirt; F. impurity deposition of washing raw materials; G. the water level and frequency of water flushing are not enough; The main causes of yellowing are: a. chlorine bleach remains on flax; B. High iron ion content in water; C. The dosage of softener is seriously over-dosage, and the overall yellowing or softening agent is directly added to flax to form spots; D insufficient rinsing water level and times lead to residual alkali content; F, the protein stains are treated by chlorine bleaching without cleaning; G. the fluorescent whitening agent turns yellow; 5. Colored flax will fade or be dyed in other colors. A. misuse of bleaching agents, such as chlorine bleaching; B. the washing temperature is too high; C. artificial wear color; D. poor color fastness; E. Bathing is too alkaline; F. stain pollution; G. cross-color; 6. Flax will turn yellow after bleaching. A. flax cannot be bleached with chlorine; B. the concentration of bleach is too high; C. The water level is insufficient, and chlorine bleach remains on the fabric; D, carrying out chlorine bleaching treatment on the protein stains; 7. Flax has poor whiteness after bleaching. A. the concentration of bleach is too low; B. the bleaching time is short; C. the water level is not enough and the frequency is not enough. 8. Linen was washed pink. A. color stains, such as Chili oil; B. embroidered scales are not bleached; 9. The stain cannot be completely removed. A. the concentration of bleach is not enough; B. insufficient bleaching temperature; C. the bleaching water level is too high; D. insufficient bleaching time; E. excessive free dirt during bleaching; 10. The towel is damaged abnormally.