Current Market Price of PPTD20
PPTD20, as a flagship grade in the modified polypropylene family, is priced based on raw material costs (PP base, talc powder, additives) and market supply-demand dynamics. During 2025-2026, PPTD20 domestic market quotations in China typically ranged from CNY 6,500 to 8,500 per ton.
Specific prices vary significantly by brand, purchase volume, and supply channel: First-tier compounders (Kingfa, CGNM, etc.) typically quote CNY 7,500-8,500/ton; small-to-medium compounders or regional suppliers offer CNY 6,500-7,500/ton; special performance grades with VOC and odor requirements (OEM-certified) can reach CNY 9,000-12,000/ton. Note that these are general-grade prices; flame-retardant or heat-resistant PPTD20 grades command significantly higher prices, typically CNY 12,000-15,000/ton.
Key Factors Affecting PPTD20 Pricing
PP base resin price fluctuation is the largest cost driver. Polypropylene is a petroleum derivative, closely linked to crude oil prices. When oil prices are volatile, PPTD20 pricing adjusts accordingly. Additionally, talc powder prices (typically CNY 800-2,000/ton depending on mesh size and purity), compounding fees, packaging, and transportation costs all contribute to the final quote.
Volume discounts in standard procurement: LTL orders (<1 ton, 25kg bags) carry a 10%-15% premium over wholesale; single orders of 5-10 tons receive 3%-5% discount; annual framework agreements (100+ tons) typically lock pricing with 5%-10% savings.
PPTD20 Material Data Sheet (TDS) - Core Parameters
The TDS is essential for evaluating whether PPTD20 meets design requirements. Here are the most critical parameters and their interpretations:
Physical Properties
Density: 1.04-1.08 g/cm³, typical value 1.06 g/cm³. Melt Index (MI/230℃/2.16kg): 10-30 g/10min, varies by grade; injection grades typically 15-25 g/10min. Molding Shrinkage: 1.0%-1.2% (flow direction), 1.2%-1.5% (perpendicular). Water Absorption: 0.01%-0.03%, extremely low; drying usually not required.
Mechanical Properties
Tensile Yield Strength: 20-30 MPa, typical 25 MPa. Elongation at Break: 10%-50%, decreases with higher talc content. Flexural Strength: 30-40 MPa. Flexural Modulus: 1,800-2,500 MPa, typical 2,200 MPa. Notched Charpy Impact Strength (23℃): 3-6 kJ/m². Rockwell Hardness (R scale): 80-95.
Thermal Properties
Heat Deflection Temperature (HDT, 0.45 MPa): 120-135℃. Heat Deflection Temperature (HDT, 1.82 MPa): 55-70℃. Vicat Softening Temperature (VST, B50): 145-155℃. Service Temperature Range: -20℃ to 110℃ (continuous).
Electrical Properties (Optional)
Volume Resistivity: >10¹⁵ Ω·cm. Dielectric Strength: 20-25 kV/mm. PPTD20 is not typically used for high-performance electrical insulation but suffices as a general-grade insulating material.
TDS Interpretation Key Points
TDS values are typical results under standard test conditions. Actual injection-molded part performance is significantly influenced by processing conditions and mold design. The same PPTD20 material can yield mechanical properties differing by 10%-20% across different injection molding machines. Therefore, TDS data is primarily useful for initial material screening and comparison, not as final design basis. Practical injection trials and component testing are recommended after material selection.
