What is Cross linked PVC Resin - Guangyuan Ruifeng New Materials

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Release Time: 2025-07-24

Summary: In the selection process of PVC resin, we cannot only consider the scale and reputation of the enterprise

In the selection process of PVC resin, we cannot only consider the scale and reputation of the enterprise, but also the quality of the resin. For users who use PVC resin in bulk, the stability of PVC resin, that is, the consistency of the main indicators, must be good between batches, otherwise it will bring some problems and troubles to the product processing and production. Efforts should be made to minimize the number of procurement and usage batches, objectively reducing overall instability. (Manufacturer of crosslinking agent, which PVC crosslinking agent is good, how to use PVC crosslinking agent, types of PVC crosslinking agent)

For PVC soft products, the absorption of plasticizers is a crucial indicator when selecting PVC resin. Generally, a higher value is better, but it is not absolute. Actually, it is better to use the plasticizer absorption curve to judge the performance of the resin in this aspect. Due to polymerization control and other reasons, some resins may have a relatively loose exterior and a tight interior. This type of PVC particle has a higher plasticizer absorption value, but it is not easy to use in practical applications. (Manufacturer of crosslinking agent, which PVC crosslinking agent is good, how to use PVC crosslinking agent, types of PVC crosslinking agent)

In practical applications, the performance of this opposite side can be analyzed together with the apparent density. In addition, the number of impurities and fish eyes have adverse effects on the performance and appearance of the product, and aging whiteness can have a significant impact on stability, weather resistance, discoloration, etc. High volatile matter content often causes adverse problems such as bubbles. The residual VCM monomer has an impact on the hygiene and stability of the product. Attention should be paid when making choices. (Manufacturer of crosslinking agent, which PVC crosslinking agent is good, how to use PVC crosslinking agent, types of PVC crosslinking agent)

For PVC resin used in hard product applications, the absorption of plasticizers is generally not a mandatory indicator. In fact, it is of great help in determining the mixing and coordination of the resin with various additives. Volatile matter, aging whiteness, impurity count, and fish eye count are several key indicators that we should focus on when selecting resins. At the same time, VCM residue should also be taken seriously, as it can have adverse effects on the stability of PVC formulations and is related to hygiene issues. (Manufacturer of crosslinking agent, which PVC crosslinking agent is good, how to use PVC crosslinking agent, types of PVC crosslinking agent)

The apparent density is more suitable for high-speed extrusion of hard products, but it should be comprehensively considered and evaluated, not just based on this indicator, as there is also a plasticization issue. The residue index can reflect the characteristics and processing properties of some resins, but it is difficult for ordinary people to distinguish. Another issue is the viscosity (average molecular weight), which is also one of the problems that people tend to overlook, because for the same model, different manufacturers and even different batches often have differences. With a higher average molecular weight, the overall performance of the product will be better, but the processability will be poorer. If not adjusted in a timely manner, it often leads to poor plasticization. (Manufacturer of crosslinking agent, which PVC crosslinking agent is good, how to use PVC crosslinking agent, types of PVC crosslinking agent)

When selecting resin, it is necessary to request a laboratory test report, make a simple evaluation based on the test report, and make adjustments to the formula and process if necessary, in order to better ensure the quality of the processed PVC products and reduce the occurrence of problems. (Manufacturer of crosslinking agent, which PVC crosslinking agent is good, how to use PVC crosslinking agent, types of PVC crosslinking agent)

Keywords: What is Cross linked PVC Resin - Guangyuan Ruifeng New Materials

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