News_Novista Chemicals - The pioneer of Flame retardant

20 2026-7
Lubricants and Plasticization in PVC Processing: How to Find the Right Balance In PVC processing, the right lubricant system and proper plasticization are two of the most important factors for producing high-quality products and maintaining stable production.Finding the right balance between internal lubricants and external lubricants can improve product appearance, processing efficiency, and overall production stability.
15 2026-7
Key Points for Converting PVC Formulations from Lead Stabilizers to Calcium-Zinc Stabilizer… As environmental regulations become stricter, more PVC manufacturers are replacing traditional lead stabilizers with calcium-zinc (Ca/Zn) stabilizers. However, many conversion projects fail during production trials.In most cases, the problem is not the quality of the Ca/Zn stabilizer. The real reason is that the original lead-based formulation is used without making the necessar…
7 2026-7
Extruder Size Matters: Why a 35mm, 65mm, and 95mm Extruder Are More Than Just Different Dia… In the plastics industry, we often hear people say:"We tested it on a 35mm extruder."
29 2026-6
Common Problems and Solutions in Producing PVC Double-Wall Corrugated Pipes and Ribbed Pipe… PVC double-wall corrugated pipes and ribbed pipes are widely used in drainage, sewerage, and infrastructure applications. However, during production, processors often encounter issues related to formulation design, plasticization, lubrication balance, and raw material quality. Below are some of the most common problems and practical solutions.
11 2026-6
Key Considerations When Using Lead-Based One-Pack Stabilizers in PVC Pipe Production Lead-based one-pack stabilizers have become increasingly popular among PVC pipe manufacturers. Today, only a small number of producers still rely on traditional formulations based on individual lead salts. The widespread adoption of one-pack stabilizers is largely due to their many advantages, such as reducing formulation workload, simplifying material handling, and minimizing t…
30 2026-5
Common Problems and Solutions When Using Solid Calcium-Zinc Heat Stabilizers in PVC Wire &a… As environmental regulations continue to tighten worldwide, solid calcium-zinc (Ca/Zn) heat stabilizers have become a preferred choice for PVC wire and cable compounds due to their excellent environmental performance, low toxicity, and stable processing behavior.However, during production, manufacturers may encounter various processing and quality issues. In most cases, these pr…
21 2026-5
Common Problems and Solutions in PVC Edge Banding Production PVC edge banding may encounter different quality problems during production. Below are some common issues, their main causes, and practical solutions.1. Burrs or Rough Edges on the Product
3 2026-4
Reference Solutions to Prevent and Address PVC Yellowing Yellowing is one of the most common challenges in PVC (Polyvinyl Chloride) manufacturing and application. It is primarily caused by dehydrochlorination due to heat or UV exposure, leading to the formation of conjugated double bonds (polyenes) that discolor the material.To ensure product longevity and aesthetic appeal, here is a comprehensive guide to preventing and treating PVC …