How to clean the hotel linen? Please tell me.

Flax strong washing powder caustic soda bleach

Hotel linen washing is a kind of fabric with the largest washing capacity in laundry room. Because the stains attached to linen are similar, under certain washing raw materials, water quality and technological conditions, they are often common for many reasons, such as incomplete understanding of hotel laundry equipment. Now listed as follows:

1. The strength of flax fiber or some fibers decreases.

The main reasons are: a. the concentration of bleach 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. There is damage on the linen

The main reasons are: a. local bleaching of bleaching agent is excessive, which leads to local damage of flax; B. Strong washing powder or caustic soda is not well mixed and directly dripped on linen, resulting in spots;

3. Damaged linen

The main reasons are: a. The bleaching process is incorrect; 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. Washing linen turns gray or yellow.

The main causes of ash flooding are: a. 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 linen is faded or dyed with 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. linen 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 when crossing the water.

8. linen is pink after washing

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.