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What is PP Spray Cabin Machine? PP Spot and Pigment Spray
What is PP Spray Cabin Machine?

What is PP Spray Cabin Machine? PP Spot and Pigment Spray

PP Spray Cabin Machine

This is cabin that contain spray gun and rubber dummy. Garments are wearing on dummy then spray pp by gun. This cabin has two or three exhaust fan. This fan exhausts the dust or pp smell from cabin. Now the exhaust remove by water following.

PP spray :

That means potassium per manganate spray on the garments at specific area. We sprayed these chemicals to reduce the color from garments. First we have to put the garments into dummy then take air then we spray pp with the help of pp gun by air pressure. This spray is done on the scraping area and after neutralize we got a white look on the spray area.

Potassium permanganate spray (PP spray) Feature

Effect: A type of bleach used to give a fade-out look. Used alone or on top of sandblasted or sand brushed areas to enhance the contrast and make it more white.
Can be used on denim and sulpher dyed fabrics, but not on reactive dyed fabrics.

Process: A chemical is hand sprayed on the garments. It reacts with the garment color and bleaches it.
The same chemical is used for acid wash (See B6).

Advantages: More natural look, and better contrast than with pigment spray.

Disadvantages: It is a fading agent, so the color can react differently on for example reactive dyed fabric. Instead of giving a whitish faded look it can discolor the garment. Usually it looks red- or brownish.

Tagging :

Tagging in the process which is done at unwashed condition of garments. After wash we will get it effect. Maximum time we will do it at edge area by folding the garments. This process can be done by the tag gun, plastic staple machine or manually. Sometimes this process damages the garments by creating hole.

PP rubbing:

Sometime according to development requirements we used pp rubbing process to get the effect. By this process we get more high low effect. But pp spray not get more high low. This process is difficult to handle.

Pigment spray :

Pigment spray is the process by which we will get uneven color look at garments surface. First we complete the wash process then we spray the pigment on the garments surface. We make the pigment solution by pigment dye, binder and liquid. After spray we send the garments to oven for curing. After oven color will fix and we get a good look.

Effect: Used to make fade-out look on for example corduroy, twill, canvas or light weight denim where sandblasting/scraping can not be done.

Process: A colour is hand sprayed on the garments. It is applied
on top of the fabric, and is not reacting with the fiber.

Advantages: Can be used on light weight fabrics where the fabric would break if sandblasting were done, and on cord where pile loss would be a problem if scraping/sandblasting was used.

Disadvantages:
On denim it will look artificial, and sometimes on other fabrics too. Can be difficult to control in production.

Pigment spray
Pigment spray

Towel bleach:

It is one kind of bleaching process by which that give us the uneven look on the garments .In this process first we take some small piece of towel then dipping on bleaching solution then dry these piece slightly. After that we put into machine and give the original garments which need to be uneven wash then complete the process.

PP spot / Bleach spot:

This process is done by making pp solution or bleach solution then make some spot on the garments according to required. After neutralization we will get the nice spot. But there is a difference between pp spot & bleach spot. By pp spot we get look white spot and bleach spot we get slightly yellow spot.

PP spot or Bleach spot
PP spot or Bleach spot

Resin application & Problems: Resin is the chemicals by which we make the crinkle & 3D crinkle in washing plant. We also used this chemicals to hard the fabrics. Resin is directly used on the garments then curing. Resin application is very critical because of nature. If the application is more that time we have to face very big problems. So we should apply resin at optimum level. Resin should be apply according to fabrics strength & construction. Resin should be formaldehyde free. *If the resin application is more on specific area that garments will tear.

Problems that happened for resin application:

* If we use more than one so tear may come.

* If oven time is more tear may come.

*If oven temperature is high tear may come.

*If we used more garments will hard more.

*For resin garments will be unwanted spotted.

*For resin sometimes pocket may damage.

Problems that happened for resin application
Problems that happened for resin application

 

About Engr. Kh. Mashiur Rahman

He is Garment Automation Technologist and Editor in Chief of Autogarment. He is certified Echotech Garment CAD Professional-China, Aptech-India, NCC-UK and B.Sc. in CIS- London Metropolitan University, M.Sc. in ICT-UITS. He is working as a Successful Digital Marketer and Search Engine Specialist in RMG sector during 2005 to till now. Contact him- apparelsoftware@gmail.com

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