Why do blister products change color

Why do blister products change color

?? Blister product production strength, can meet the user to the different needs of Blister packaging products Blister plate. The company has professional plastic processing equipment, plastic products are widely used in auto parts, toolbox and inner bracket, medical equipment, home appliances accessories, food, toys, egg tray, paint tray and other supplies.

?? In the blister product packaging industry, so there will often be such a situation, blister packaging in the delivery of the same batch inside, some color will be very light, and some color will be deep.

Some blister packaging color yellow, very ugly, especially in the blister to be used for the final outer packaging, under great circumstances is affecting the sales of products and beautiful, so it will cause the loss of the enterprise. According to the small series of blister bubble shell, the main reason for the discoloration of blister products is actually multi-factor, the main one is the following:

?? 1, in the mold

?? (1) The exhaust hole of the mold is bad, which leads to the severe reaction of the plastic in the situation of high temperature and pressure and oxygen, and the burned plastic and so on.

(2) the blister sheet or the mold contains too much lubricant and release agent, so we should be clean on schedule, and then it is necessary to remove some additives such as anti-static.

?? 2. In terms of equipment

?? (1) equipment is not clean. The dust or dust on the equipment will pollute the plastic sheet, which will cause the discoloration of the plastic.

(2) thermocouple, temperature controller or heating system imbalance caused by temperature imbalance, which will also make the blister packaging discoloration.

?? 3. Sheet material.

?? (1) High moisture and volatile matter content.

?? (2) high temperature decomposition of colorants and additives.

?? (3) The sheet material is contaminated.

Plastic bronzing information