Knowledge

"No. 1" stands for polyethylene terephthalate (PET, commonly known as polyester resin), which is often used to make mineral water bottles and carbonated beverage bottles. The beverage bottle is heat-r

Buy plastic containers to see the serial number; each plastic container has a small ID card, a triangular symbol, usually at the bottom of the plastic container. There are 1 to 7 numbers in the triang

PET (1) Poly(Ethylene Terephthalare), suitable for bearings, chains, gears, tapes, etc.; HDPE (2) High Density Polyethylene, suitable for packaging, building materials, Buckets, toys, etc.; PVC (3) Po

The test temperature is 40℃, and the stacking time is 7 days. The stacking quality is calculated according to the following formula: M0=(H/h-1)×M1 In the formula: M0--the stacking quality applied on t

Vertical impact drop test: The sample is carried out at -18°C. Drop height: if water is used as a substitute, if the density of the product to be packed is not greater than 1.2, it is 0.8m; if the den

Open plastic containers shall be subjected to vertical impact drop test, stacking test and sealing test. Closed plastic containers shall be subjected to vertical impact drop test, stacking test, air t

For plastic containers used as transport packaging for export commodities, the inspection shall be carried out in accordance with SN/T0271-93 "Inspection Regulations of Plastic Containers for Transpor

Plastic containers must pay attention to the following issues in the design and production process: inflation, elongation, vertical load strength, container rigidity, support surface, screw thread, sh

Plastic containers are hollow blow-molded containers, which are processed by a hollow molding method. There are open plastic barrels, cans and closed plastic barrels and cans. Open plastic barrels and

Plastic containers are hollow blow-molded containers, which are processed by a hollow molding method. There are open plastic barrels, cans and closed plastic barrels and cans. Open plastic barrels and

The wall thickness ratio of the symmetrical part of the barrel is not more than 2:1, there is no blisters, no bad plasticization, the outer wall and mouth are smooth and clean, there are no more than

Plastic containers must pay attention to the following issues in the design and production process: inflation, elongation, vertical load strength, container rigidity, support surface, screw thread, sh