Thick sheet blister manufacturers will briefly talk about the reasons for the discoloration of blister products.
thick sheet blisterThe following is a brief talk about the reasons for the discoloration of blister products.
Thick sheet blister manufacturer: why blister products change color
The production strength of blister shell can meet the different needs of users for blister tray of blister packaging products. The company has professional blister processing equipment. Blister products are widely used in auto parts, toolboxes and inner brackets, medical equipment, household appliances, food, toys, egg trays, paint trays and other supplies.
In the plastic packaging industry, it is often said that such a situation will occur. Plastic packaging is the same as wholesale goods. Some colors will be very light, and some colors will be darker.
Some blister packaging is yellow and ugly, especially the outer packaging with blister, which greatly affects the sales and beauty of the product, so it will cause the loss of the enterprise. According to the introduction of blister, the main reasons for the discoloration of blister products are actually various, mainly the following points:
1, in the mold aspect
(1) Poor vent holes in the mold cause the plastic to react violently with oxygen under high temperature and high pressure, and burn the plastic.
(2) The plastic sheet or mold contains too much lubricant and release agent, which should be cleaned on schedule, and then some anti-static additives should be removed.
2. In terms of equipment
(1) The equipment is not clean, and the dust or dust on the equipment will pollute the blister sheet and cause the blister to change color.
(2) Thermocouple, thermostat or heating system imbalance caused by temperature imbalance, will also make the blister packaging discoloration.
3. Sheet aspect
(1) High moisture and volatile content.
(2) The temperature of colorants and additives is high.
thick sheet blisterManufacturer: thick plate blister process is how
1. Mold making and processing: Different customers have corresponding specifications for the product, so it is necessary to make blister molds before production. Under normal circumstances, plastic molds are made of plaster, and molds with low plastic production costs are plaster molds, followed by electroplated copper molds. The expensive ones are aluminum molds. After the mold is made, it should be dried naturally or completely dried, then according to the specific situation of the product surface for the corresponding treatment.
2. When the mold is completely dry, it should be loaded into the upper iron plate of the vacuum chamber, and then according to the size of the mold, the mold is loaded into the applicable size, and then the plate is put into the heated wooden cabinet, fixed and processed.
3. Put the softened plastic board and wooden cabinet into a vacuum, turn on the suction switch, and suck the air in the vacuum chamber clean. After the plastic sheet is cooled, the mold is formed.
4. Finishing: The produced product is trimmed into a whole product, which can be sold after packaging.
thick sheet blisterThis is the end of the explanation. Let's see you next time.
Xiamen Dacheng
2020-11-20
Xiamen Dacheng supplies ASA blister board and ODM & OEM processing service
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No. 19, Baihuyan Road, Houxi Town, Jimei District, Xiamen, China 503
Fax：0592-5516862
E-mail：8001@xmdcsj.cn