Easily Dispersed Charcoal Black Powder - High Performance for Color Masterbatch

Easily Dispersed Charcoal Black Powder TDX-8 redefines efficiency in color masterbatch production with its optimized surface functionalization and engineered particle structure. Designed specifically for polymer systems, this high-performance carbon black delivers rapid dispersion, exceptional jetness, and process stability across thermoplastics and engineering resins. Its low-dust granule form ensures seamless handling while achieving superior color consistency in demanding extrusion and injection molding processes.

‌Core Performance Advantages‌

‌Unmatched Dispersion Efficiency‌

• Achieves 95% dispersion yield within 5-minute twin-screw extrusion cycles (ASTM D5592)
• Ultra-low energy input: ≤0.8 kWh/kg dispersion energy in LLDPE masterbatch
• 99% particle distribution uniformity (ISO 1853 conductivity method)

‌Optical & Color Performance‌

• Jetness index L* ≤18 (CIE Lab* vs. ISO 7724-3 standard)
• Tinting strength 340% vs. conventional furnace blacks (ISO 787-24)
• ≤0.5 ΔE variation across production batches

‌Thermal & Processing Stability‌

• Thermal resistance up to 420°C (TGA analysis per DIN 53775)
• Maintains MFR stability within ±2% in PP resins (230°C/2.16kg, ISO 1133)
• Zero degradation in PET processing (280°C, 45-minute residence time)

‌Application Excellence‌

‌Plastic Packaging‌

• Meets FDA 21 CFR 178.3297 for food-contact packaging
• ≤0.1% surface blooming in HDPE blow molding (ASTM D5593)
• 99.9% UV barrier efficiency (ISO 16474-3) for light-sensitive products

‌Automotive Components‌

• Passes VDA 270 VOC testing for interior trim PP/ABS compounds
• Maintains conductivity 10³–10⁴ Ω/sq in ESD applications (IEC 61340-5-1)
• 0.8% maximum warpage in 40% GF-PA6 injection molding

‌Fibers & Filaments‌

• Achieves 99.9% filtration efficiency in melt-blown PP nonwovens
• ≤0.5% breakage rate in PET fiber spinning (3.5 km/min)
• Excellent spinnability in PA66 airbag yarn production

‌Engineering Resins‌

• Compatible with PEEK/PPS processing (350–380°C barrel temps)
• 0.05% maximum weight loss in PC/ABS automotive blends
• Maintains 92% impact strength retention in reinforced PBT

‌Technical Specifications‌

• ‌Color Index‌: C.I. Pigment Black 7
• ‌CAS No.‌: 1333-86-4
• ‌Structure‌: Surface-modified furnace black with polar groups
• ‌DBP Absorption‌: 70–75 ml/100g (ASTM D2414)
• ‌BET Surface Area‌: 125–135 m²/g
• ‌Volatile Content‌: ≤0.3% (ISO 787-2)
• ‌Ash Content‌: ≤0.05% (ISO 1125)
• ‌pH Value‌: 7.0–8.0 (ISO 787-9)

‌Masterbatch Formulation Guidelines‌

‌Polyolefin Systems (PE/PP)‌

• Recommended loading: 20–30% in carrier resin
• Optimized with 1.2% PE wax dispersant (MFI 10–15 g/10min)
• Achieve ≤15 μm agglomerates via 300 rpm screw speed

‌Engineering Plastics (PA, PC, PBT)‌

• Pre-dry at 100°C for 4 hours (moisture ≤0.02%)
• Use 0.8% epoxy-functional coupling agent for GF compatibility
• Maintain melt temp ≤10°C above polymer Tm

‌Biodegradable Polymers (PLA, PBS)‌

• Compatible with 1.5% bio-based plasticizers (EN 16785-1 certified)
• Maintains 95% compostability (ISO 14855-1) at 5% loading
• Zero catalytic effect on hydrolysis rates

‌Regulatory & Sustainability‌

• REACH/SCIP compliant with full PAH documentation (ΣPAHs <50 ppb)
• Halogen-free certification (IEC 61249-2-21)
• Carbon footprint: 1.8 kg CO₂ eq/kg (ISO 14067 certified)
• 100% closed-loop water recycling in production

‌Packaging & Handling‌

Available in 25 kg anti-static polyethylene bags with moisture barrier (≤300 ppm H₂O ingress). Bulk quantities in 500 kg FIBC super sacks featuring RFID temperature/humidity tracking. Store at 10–30°C (RH <40%); 60-month shelf life under proper conditions.

‌Technical Support‌

• Masterbatch rheology simulation using Capillary Rheometry (ISO 11443)
• Customized let-down ratio optimization for target L* values
• Thermal aging prediction models (Arrhenius method, ISO 2578)
• FDA/EU regulatory dossier preparation

Easily Dispersed Charcoal Black Powder TDX-8 sets a new benchmark for pigment performance in polymer systems, combining unparalleled dispersion ease with rigorous technical specifications. Its surface-engineered design eliminates traditional dispersion bottlenecks while delivering consistent jetness and process stability across all major resin platforms. For masterbatch producers seeking to maximize throughput, reduce energy costs, and meet evolving sustainability targets, TDX-8 offers a future-proof solution that bridges performance and eco-efficiency.

 

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