Things to note when processing DuPont three-proof finishing

Things you should pay attention to when finishing the DuPont three defenses:

1. The fabrics to be treated with DuPont Teflon three-proof finishing agent must remove all finishing aid residues, such as: wetting agents, coloring aids, sizing aids, softeners and other surfactants.

2. In order to avoid reducing the effect of DuPont Teflon three-proof finishing agent on fabrics, some mechanical finishing, such as: rolling, electric finishing, brushing, etc., can be carried out after drying and before baking; steaming and steaming finishing It should be carried out after baking to improve the finishing effect; napping, sanding and raising should be carried out before DuPont Teflon finishing agent treatment.

3. DuPont Teflon three-proof finishing agent for fabrics has good compatibility. However, due to the wide variety of fabric additive products on the market, unified compatibility indicators cannot be used. Tests must be done before use to confirm.

4. The dissolution and dilution of DuPont Teflon three-proof finishing agent for fabrics are also particular. First dilute the Teflon finishing agent with an equal amount of water, then dilute it to the required level, and then pour it into the solution containing acetic acid. In the rolling tank, if it is used together with cross-linking agent, it must be diluted before adding.

5. The working fluid prepared with DuPont Teflon finishing agent generally needs to be adjusted with acetic acid, but if it is used with a no-iron finishing agent, it is not necessary to add acetic acid for adjustment.

6. DuPont Teflon three-proof finishing agent for fabrics is generally recommended to use the padding method.

7. If it is necessary to use the spraying process to finish the fabric with DuPont Teflon three-proof finishing agent, only if the manufacturer has sufficient ventilation equipment installed, the spray finishing can be safely treated. It is best to do it in a closed system. Spraying process.

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