What causes the deformation of chemical plastic drums when they are used

- Oct 26, 2019-

Mentioned about the knowledge of chemical plastic barrels, I believe that everyone is no stranger, and its content has been described in many of the above articles, but as a professional user, it is not enough to master this knowledge. Further promote the user's understanding, the professional staff's outstanding characteristics of the transparent raw materials used in their chemical plastic barrels are summarized as follows: Transparent chemical plastic barrels must first have high transparency, and secondly have a certain strength and wear resistance, can resist impact The heat-resistant parts should be good, the chemical resistance should be excellent, and the water absorption rate should be small. Only in this way can the transparency requirements be maintained and remain unchanged for a long time. In addition, the chemical plastic barrels will encounter common use during use. The problem, transparent plastics due to high light transmittance, must require strict surface quality of plastic products, can not have any markings, pores, whitening. Fog, black spots, discoloration, poor gloss and other defects, so the raw materials, equipment throughout the injection process. Molds and even product designs must pay great attention to and impose strict or even special requirements. Transparent chemical plastic drums must first have high transparency, secondly have certain strength and wear resistance, can withstand impact, heat-resistant parts are better, chemical resistance is better, water absorption rate is small, only in this way can To meet the requirements of transparency and long-lasting, list the table below and compare the performance of pmma, pc and pet. Due to the wide variety, this is only an average, and the actual data of different varieties is different. The pet data (mechanical aspect) is the stretched data.

In the process of use, this kind of chemical plastic barrel will encounter common problems. Because of the high light transmittance of transparent plastic, the surface quality of plastic products must be strict, and there must be no markings, pores and whitening. Fog, black spots, discoloration, poor gloss and other defects, so the raw materials, equipment throughout the injection process. Molds and even product designs must pay great attention to and impose strict or even special requirements. Secondly, because transparent plastics have high melting point and poor fluidity, in order to ensure the surface quality of the products, the process parameters such as machine temperature, injection pressure and injection speed are often finely adjusted so that the plastic can be filled with mold without Internal stress is generated to cause deformation and cracking of the product.

The production of each product has its own application. For the chemical plastic barrels we are talking about today, it can be used to install liquids that will produce chemical reactions. We should do it first. Good precautions to confirm its response and its ability to withstand its temperature. Chemical plastic drums can usually be used to install liquids. Under normal temperature conditions, salt, alkali, and other mixtures are not problematic. Chemical plastic drums cannot be used for strong oxidizing liquids, such as temperatures above 60 degrees, sulfuric acid concentrations above 75 percent, concentrated nitric acid concentrations above 30 percent, and so on. In addition, the production of chemical plastic drums can also be used for the storage and transportation of various liquids. It has good characteristics for special dangerous goods packaging. It has the characteristics of being non-fragile, non-rusting and light, and it is resistant to oil and strong. It has excellent corrosion performance and is used for packaging of dangerous goods that require heat preservation, moisture resistance, pressure resistance and corrosion resistance. It is also because of its wide range of applications that it has such a good prospect for development.https://www.fhpails.com/