Maintenance of natural cork leather, Under normal use, it is recommended to use a leather protectant to treat the leather products once every six months. When handling, apply a small amount of protective agent to the leather. After it is dry, wipe it off with a soft cloth.
Leather washing is divided into machine washing and hand washing according to different washing methods; according to different washing properties, it is divided into dry cleaning and wet washing. Machine washing is mainly done by a leather dry cleaning machine, and hand washing is performed by means of washing tools and washing techniques. Machine washing usually uses tetrachloroethylene solvent (also petroleum and fluorine solvent), low temperature dipping. Since machine washing is subject to many laundry equipment conditions, most of China’s medium and small laundry shops are manually cleaned. The following natural cork leather manufacturers briefly introduce some practical methods of manual cleaning, for reference only.
Main washing tools: short hair brush, brown hair brush, sponge, plastic cleaning ball, towel, cotton ball, washbasin, washing case, air spray gun, portrait air model.
Main washing materials: gasoline, methanol (alcohol), tetrachloroethylene, hydroxide (ammonia), detergent, liquid soap, hydrogen peroxide (hydrogen peroxide), sodium chloride (salt), alum, sodium sulfate (nitrogen injection) ), vinegar and so on.
First, smooth leather cleaning
1. Small area oil treatment
Washing solvent: >90 # gasoline or tetrachloroethylene.
Washing method: the leather garment is laid on the washing case, and the oil stained portion of the leather is scrubbed with a sponge or a cotton ball. After the oil is removed, the scrubbing portion is slightly moistened with a towel of 40-50 degrees Celsius. Dry in a cool, ventilated place.
2. Large area oil treatment
Washing solution:
Liquid A: 95% alcohol, 25% ammonia, ratio 1:1
Solution B: 25% ammonia, softener, water, ratio 1:1:1
Washing method: the leather garment is laid on the washing case, and the pre-washing is performed by brushing with the short liquid brush with the A liquid. While scrubbing, rubbing with a towel, adsorbing dirt and dirty liquid, after the oil is removed, the liquid B is used for secondary cleaning. (The method is the same as above), the towel is clean, and it is placed in a cool and ventilated place to dry.
3. Leather surface shading
Washing solution:
Liquid A: detergent, water, ratio 1:400 concentration 0.25% -0.3%, water temperature 35-40 ° C
Liquid B: brightener, slip agent, water, ratio 1:1:4
Washing method: the leather garment is laid on the washing case, brushed gently with the A liquid with a brown brush, and wiped with a towel while scrubbing. After the oil is removed, the sponge is impregnated with the sponge B to scrub the leather surface. Leave it for 15 minutes, clean the towel, and dry it in a cool, ventilated place. 4. Leather surface denitrification
Washing solution:
Liquid A: strontium nitrate, salt, water, the ratio of 1:1:2 (dissolved and mixed preparation); commonly used amount: 250 grams of nitrate, 250 grams of salt, 55 grams of soft water.
Solution B: fatliquor (aqueous) slip agent, softener, water, ratio 1:2:2:10, water temperature 40-45 degrees Celsius.
Liquid C: Formaldehyde, water, ratio 1:8 or 1:10.
Washing method: Spread the leather coat on the washing case, use the brown brush to wash the leather surface repeatedly with A liquid, let it fully infiltrate the leather, let stand for 30 minutes, use the plastic cleaning ball to repeatedly scrub the leather surface with B liquid, and let stand 15 Minutes, the net surface of the towel, the leather coat is placed on the portrait air mold, and the liquid C is evenly atomized to the leather surface with a spray gun, and the air is dried in a cool and ventilated place.
