Printing and dyeing Tips │ Weight gain method for cotton knit fabric 【Applications】

The weight (in square meters or per meter) of a cotton knitted fabric is 250 grams. It is generally more difficult to increase it by 40 grams to 290 grams. The following two methods can be tried : 1Paddling salt (Yuan Mingfen) weight gain method. However, this method has poor durability. The specific process for the Yuan Ming powder 20-50g / l padding and drying can be. 2 Pre-shrinkage weight gain method , in the case of ensuring the width of the door width, the fabric fully pre-shrink, increase the density of the weft, which increases the fabric weight. If the two methods still fail to meet the requirements, we must start with the original weaving process design.

The advantages and disadvantages of weight gain methods for cotton knitted fabrics are:

1: Pre-shrink weight gain effect, color fastness, fabric effect does not affect many. It is the best preparation.

2: Padding salt (Yuan Mingfen) weight gain method, hand feeling, less color fastness, poor durability (can not be washed). Is a recipe.

3: Weight gain agent weight gain method has an effect on the opponent and has good persistence. Select the top grade. Is the secret recipe.

Another: The softener used for sand washing is required to be soft and flexible, so that the fabric can increase weight, because such softeners have a long carbon chain, are cationic, and can be adsorbed on the fabric to achieve weight gain.

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