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Product Details:
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| Polymerization Degree: | 1015 | Brookfield Viscosity: | 3720 Cps |
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| Foreign Particles: | 3 Pcs/576 Cm² | Sieve Residue: | 0.08% (63 μm) |
| Volatile Matter: | 0.24% | Residual VCM: | 0.08 μg/g |
| Highlight: | Formosa PR-450 PVC resin,K-Value 70 PVC resin,low volatile PVC resin |
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Formosa PR-450 Paste Grade PVC Resin K-Value 70
Certificate of Analysis
1. Product Introduction
PR-450 is a high-performance paste grade PVC resin manufactured by Formosa Industries. It has a controlled K-value, stable paste viscosity, low volatile content, few foreign particles and excellent processability. Designed for paste PVC systems, it offers consistent texture, good fluidity and high whiteness after processing.
2. Quality Test Results
| Inspection Item | Specification | Test Method | Result |
| Polymerization Degree | 900–1100 | ASTM D5225-2022 | 1015 |
| Brookfield Viscosity (DINP 60 phr, 50 rpm, cps) | ------------------- | GB/T 12004.4-2003 | 3720 |
| Volatile Matter (%) | ≤0.40 (Premium) | GB/T 2914-2008 | 0.24 |
| Foreign Particles (pcs/576 cm²) | ≤12 (Premium) | GB/T 21992-2008 | 3 |
| Sieve Residue (250 μm, %) | 0 (Premium) | GB/T 21988-2008 | 0 |
| Sieve Residue (63 μm, %) | ≤0.1 (Premium) | GB/T 21988-2008 | 0.08 |
| Residual VCM (μg/g) | ≤5 | GB/T 29874-2013 | 0.08 |
| Fineness of Grind (μm) | ≤100 (Premium) | GB/T 21990-2008 | 36 |
| Thickening Rate (24 hr, %) | ≤100 | GB/T 12004.4-2003 | 23.7 |
| Whiteness (160℃, 10 min, %) | ≥80 (Premium) | GB/T 15595-2008 | 85.9 |
| pH of Aqueous Extract | ≤8.0 (Premium) | GB/T 9350-2003 | 6.4 |
3. Key Features
• Controlled K-value: Balanced molecular weight for stable paste rheology
• Low impurities: Ultra-low volatiles and few foreign particles for clean finished surfaces
• Safe & low residual VCM: Suitable for food-contact and daily-use articles
• Stable thickening behavior: Low 24-hour thickening rate for consistent viscosity in storage
• High heat stability: Maintains high whiteness after high-temperature processing
4. Applications
• Artificial leather, PVC gloves, inflatable products
• Coating, dipping and casting compounds
• Floor and wall coverings
• Toys and household articles
• High-whiteness and food-contact grade PVC goods
5. Quality Statement
This product is certified as Premium Grade, conforming to standard Q/NPVC02-2023. This electronic certificate is valid with the official electronic stamp.
Notes:
Please feel free to contact us to obtain the detailed manual.
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.
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Contact Person: Louis Liu
Tel: 13675620692
Fax: 86-532-89088579