The material of high-quality perfume bottles is basically glass, because glass is a material that can better store perfume in all materials. Because of the volatile nature of perfume, it is easy to evaporate if it is not stored properly. As we all know, the value of big-name perfume is not cheap, if accidentally volatilized, …
Lee Xin pack wish all customers and friends happy MID-AUTUMN holiday
PP and PE It is an environmentally friendly material, which can be directly contacted with cosmetics and food. It is the main material for packaging organic skin care products. The material is naturally white and translucent. Depending on the molecular structure, three different degrees of hardness and softness can be achieved. PET PET material is …
Cosmetic packaging materials are commonly used in material classification Read More »
(1) Purpose In order to meet the requirements of customers, to ensure that there is a basis for inspection, to ensure the quality of incoming glass products conformity and reliability. (2) Sampling plan Sampling inspection shall be carried out in accordance with the following principles: 1. The general quality characteristics, unless otherwise specified in the …
1, glass products are damaged, burst, gap, scraping hands can not be accepted. 2, glass products can not have deformation, mouth, bottom uneven and skewed. 3, bright glass can not be mixed with recycled materials, the product heart must be transparent and white, with no other noise, and the color of colored glass to be …
1. Different definitions: PETG, is a transparent, amorphous copolyester, PETG commonly used copolymer is 1, 4-cyclohexane dimethyl alcohol, known as polyethylene terephthalate -1, 4-cyclohexane dimethyl ester. PET plastic is short for Polyethylene terephthalate, or PET or PETP. Polyterephthalate plastics, mainly including polyethylene terephthalate PET and polybutylene terephthalate PBT. 2. Different uses: PET is mainly used …
Requirements for quality inspection of glass bottles
