The recovery of domestic demand is expected to support the upward trend of PVA prosperity, and the optimization of the medium to long term optimistic pattern supports the profit center of products
According to Baichuan Yingfu, as of April 20th, the PVA price/PAV carbide price difference was 1.5...
Water-soluble film is a new environmental protection packaging material that can be rapidly degraded by natural factors (H2O) through special processing technology. It can rapidly denaturate, decompose and degrade into low molecular compounds through the action of natural factors (H2O), and has t...
Water soluble environmental protection medical packaging bag is a new type of environmental protection products developed in Europe and America in recent years. The goal is to avoid contamination and cross-infection between health care workers and patients.
Over the past 30 years, ...
Pesticides generally have problems such as high concentration and high toxicity, which do great harm to human body. The problem of pesticide packaging has been paid more and more attention by chemical and pesticide departments.
For a long time, pesticide packaging has three major s...
Plastic degradation refers to that the macromolecular polymer reaches the end of its life cycle, and its molecular weight decreases, which is manifested by the brittleness, fracture, softening, hardening, loss of mechanical strength, etc. The degradation of ordinary plastic bags takes decades or ...