Tianwei TPM-31 PVC Paste Resin with K-Value 78, Ultra-Low Volatile Content, and High Polymerization Degree for Industrial Applications

Tianwei TPM‑31 Paste Grade PVC Resin K‑Value 78
Certificate of Analysis

1. Product Introduction
TPM‑31 is a high‑performance emulsion‑polymerized paste‑grade PVC resin with well‑controlled average polymerization degree and low‑to‑medium viscosity. It features ultra‑low volatile content, minimal impurities, fine particle fineness, stable fluidity and low residual vinyl chloride monomer. With excellent dispersion and processing stability, it is widely applied in high‑grade artificial leather, dipping products, coatings and plastisol molding materials.
2. Quality Inspection Test Results

3. Core Product Advantages
• High polymerization degree: Ensures high mechanical strength and durability of finished paste‑PVC products
• Controllable medium viscosity: Balances fluidity and molding stability for thick‑wall dipping and coating processes
• Ultra‑low volatile content: Reduces bubbles and odor during high‑temperature processing
• Fine fineness & short filtering time: Improves dispersion uniformity and production efficiency
• Minimal impurities: Enhances surface smoothness and appearance quality of high‑grade products
• Low residual VCM: Complies with safety standards for daily‑use and food‑contact applications
4. Typical Application Fields
• High‑grade thick‑wall artificial leather, industrial PVC gloves
• Dipping molding, casting and heavy‑duty coating materials
• Floor leather, thick‑wall decorative materials and wall coverings
• Toys, household articles and high‑strength general‑purpose paste‑PVC products
5. Quality Statement
All tested items meet the premium grade requirements of enterprise standard Q/TWPVC 004‑2020. All test data are official factory inspection results. Actual product performance may vary with specific formulations and processing parameters. Pre‑production verification trial is recommended before mass production.

Notes:
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Qingdao Botian Chemical Co., Ltd belongs to Qingdao Tida International Trade Co., Ltd, founded in 2003,.After eighteen years of technological and scientific innovation and production line management, we have became the leading company of Titanium Dioxide products , PVC Paste Resin products production and international sales company.
Main products include over a dozen kinds of high-precision chemical products which are chloride process and sulphate process Titanium Dioxide,Titanium Oxychloride, Titanium Tetrachloride, High Titanium Slag, PVC Paste Resin, Caustic Soda etc. With a professional, tight, young technology R&D team, making the product has a high precision and purity of scientific evidence and quality guarantee. 
Chinese claims that twelve years is a cycle .Botian & Tida in the past twelve years development science and technology .Always stick to the ideal of scientific benefit mankind, with exalted scientific attitude to the leading product innovation and research and development; Botian in the past twelve years of market development, adhere to the market demand, to work in front of our industy attitude and strict grasp market demand trend, be committed to develop diversified international market. talent firmly believe that honesty is well-being rich, credibility of natural upsurges, become industry leaders.
In the next years, Botian & Tida will continue moving steadily and firmly.Maintenance with the domestic large state-owned enterprises and Southeast Asia, North America and European countries the business relationship, At the same time we sincerely welcome and look forward to your arrival --TIDA’s new partner.
Respected science, the benefit of mankind, cooperation and innovation, sustainable win-win.