Talc Powder for Cosmetics and Personal Care
Product Overview
These high-purity cylindrical pellets represent a specialized functional additive engineered specifically for twin-screw extrusion systems. Manufactured through advanced surface modification technology and precision granulation processes, the product delivers exceptional processing performance and stable physical characteristics, significantly enhancing polymer processing efficiency while improving final product quality.
Key Features
Process Compatibility
Specially optimized for co-rotating/counter-rotating twin-screw extrusion systems
Perfectly matches conventional screw configurations with L/D ratios ranging from 40:1 to 60:1
Suitable for complete processing from compounding to direct forming applications
Material Characteristics
Ultra-high purity matrix material (≥98%) free from interfering components like resin carriers
Precisely controlled cylindrical geometry (Φ2.5±0.1mm×3-6mm)
Surface-treated with silane coupling agents, achieving contact angles ≤35°
Technical Advantages
Enhanced Processing Performance
45-50% increased bulk density compared to powders, improving conveying efficiency by over 30%
Unique pellet morphology enables progressive plastication in screw melting zones
Eliminates common powder-related issues like bridging and backflow
Improved Production Environment
Dust generation <0.1mg/m³, meeting OSHA Class A standards
Reduces cleanroom HVAC load by 20-25%
Allows downgrading of respiratory protection to N95 standards
Formulation Flexibility
Neutral pH (6.5-7.5) compatible with most resin systems
Controlled surface energy (35-45mN/m) ensures excellent wettability
Withstands thermal history up to 300℃/30min without performance degradation
Optimal Processing Parameters
Loading Capacity: Up to 50wt%, representing 15-20% improvement over conventional powders
Mixing Speed: Recommended ≤500rpm for low-speed mixers
Feeding System: Gravimetric dosing devices with ±0.5% accuracy preferred
Screw Configuration: Medium shear blocks with 3-5 KB elements recommended
Quality Control Standards
Physical Properties
Apparent density: 0.85-0.95g/cm³
Angle of repose: ≤28°
Pellet strength: ≥50N/pellet
Chemical Properties
Volatile content: ≤0.3% (105℃×2h)
Ash content: ≤1.5% (800℃×2h)
Heavy metals: Compliant with RoHS 2.0
Application Validation Data
Testing in PP/GF30 systems demonstrates:
18-22% increase in extrusion output
12-15kWh/t reduction in energy consumption
30-40μm improvement in fiber retention length
25-30% reduction in product surface roughness
Safety & Compliance
ISO 14001 Environmental Management System certified
Compliant with GB/T 19001-2016 Quality Management Systems
FDA 21 CFR 178.3297 food contact material approval
Storage Requirements
Recommended storage at <25℃ in dry conditions
24-month shelf life in original unopened packaging
Maximum stacking height: 5 layers
Technical Support Services
We provide:
Screw configuration optimization
Process parameter tuning guidance
Compatibility test reports
Customized surface treatment solutions
Note: Product specifications subject to continuous improvement. Please refer to the latest technical documentation. For detailed application guidelines or samples, contact our technical support team.
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Description
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Specification
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Whiteness
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95
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Oil Absorption
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26
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Medium Size: μm
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1200 - 1500 cm²/g
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45 μm: 10% Residue
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0.5
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Specific Surface Area: cm²/g
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5000
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Moisture
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0.3
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Color
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MiIky
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CAS NO.
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14807 - 96 - 6
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EINECS NO.
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238 to 877 with a tolerance of ±9
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Application
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Emulsioni paint & Low-end anti-corrosion paint
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About Beijing TDD E-commerce Co., Ltd.
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