What do you know about pumice stone?

When the content of minerals in pumice stone is heavy, the density of heavy and floating rocks in water.
The ratio commonly used between pumice stone and clothes from 5 to 3/1 by weight.
The diameters of the various stones range from 1-7 cm
Moisture content less than 5%
The average density of 0.5-0.75gm / cm3
Weight of rusted steel after wash due to friction 35%
Large, heavy size stones are often used to wash clothes with high-weight, thick fabric.
Soft small size stones suitable for washing lightweight clothing.
 

 

The error usually occurs if the weight of the clothes in the wash is too high.
Appropriate non-diffuse wash chemicals lead to desizing, bleaching, softening … uneven effects in the product.
What is the average speed (RPM) per dryer?
RPM = 24
If the machine wash and dryer speed is too high, what will happen?
If the machine wash speed is too high than the speed of the clothes in the machine, the clothes will be compressed together, chemicals and temperatures will diffuse evenly on each product, creating wash, dye effects. , soften, remove uneven colors, leading to discoloration, stripes….
The steps in the wash process are medium and light colored denim pants.
Desizing
Hot wash
Enzyme wash
Bleach
Neutral wash
Soft wash
Extraction (Hydro extractor Machine)
Drying
Steps in the process of washing dark denim pants.
Desizing
Hot wash
Enzyme wash
Soft wash
Extraction (Hydro extractor Machine)
Drying
How is the solution of potassium permanganate (Potassium Permanganate) usually prepared?
The solution of potassium permanganate is usually prepared to spray including 10g / lit KMnO4 + 1% lubricant (Lubrican) + Phosphoric Acid 0.2 -0.3 g / l.

Be the first to comment

Leave a Reply

Your email address will not be published.


*