Талкум Powder қағаз жиегі жиегі жинақ

Product Description
Our premium talcum powder is a naturally occurring, ultra-fine white mineral powder with distinctive physical characteristics. The powder exhibits an exceptionally smooth texture with a characteristic greasy feel, while remaining completely odorless and tasteless. This high-purity product contains no sand or gritty particles, ensuring superior quality for sensitive applications.

Chemical Composition
The primary constituent is hydrous magnesium silicate (Mg₃Si₄O₁₀(OH)₂), with a typical chemical composition of:

• Magnesium oxide (MgO): 31-33%

• Silicon dioxide (SiO₂): 60-63%

• Bound water: 4-6%

Manufacturing Process
The production of our high-grade talcum powder involves a rigorous purification protocol:

1. Primary crushing of raw talc ore to reduce particle size

2. Hydrochloric acid treatment (5-8% concentration) to dissolve carbonate impurities

3. Intensive water washing with deionized water

4. Neutralization and pH adjustment

5. Precision drying using controlled-temperature systems

6. Ultrafine milling to achieve optimal particle size distribution

7. Final quality verification through advanced analytical methods

Key Properties

• Physical Characteristics:

  • Color: Pure white (Hunter L-value >95)

  • Particle size: D50 5-15μm (adjustable per application)

  • Specific gravity: 2.7-2.8 g/cm³

  • Moisture content: <0.5%

  • Bulk density: 0.4-0.6 g/cm³

• Performance Attributes:

  • Excellent lubricity and slip properties

  • High thermal stability (up to 900°C)

  • Low electrical conductivity

  • Chemical inertness

  • Outstanding adsorption capacity

Product Grades and Applications

Pharmaceutical Grade

• Compliance: Meets USP/EP/JP standards

• Purity: >99% with undetectable asbestos

• Applications:

  • Tablet and capsule coating agent

  • Topical powder base

  • Surgical glove lubricant

  • Pharmaceutical excipient

Cosmetic Grade

• Compliance: INCI, EU Cosmetic Regulation

• Characteristics:

  • Whiteness index >90%

  • Oil absorption: 35-50g/100g

• Applications:

  • Body and face powders

  • Makeup formulations

  • Baby care products

  • Deodorant compositions

Food Grade

• Certification: FDA 21 CFR 182.90, EU E553b

• Specifications:

  • Heavy metals: <10ppm

  • Microbial count: <100 CFU/g

• Applications:

  • Anti-caking agent

  • Rice polishing aid

  • Chewing gum additive

  • Food processing aid

Industrial Chemical Grade

• Technical Specifications:

  • Particle size: adjustable 5-50μm

  • Surface area: 5-15 m²/g

• Applications:

  • Polymer filler (PP, PE, PVC)

  • Paint and coating additive

  • Rubber compound reinforcement

  • Adhesive formulations

Ceramic Grade

• Key Parameters:

  • Fe₂O₃ content: <1.2%

  • Fired shrinkage: <3%

• Applications:

  • Ceramic body formulation

  • Glaze component

  • Refractory material

  • Electrical porcelain

Quality Assurance
Our talcum powder undergoes comprehensive quality control:

• XRD analysis for crystalline structure

• FTIR for chemical composition

• ICP-MS for heavy metal detection

• Laser diffraction for particle size

• BET method for surface area

• Microbial testing for hygiene grades

Packaging Options

• 25kg multi-wall paper bags with PE liner

• 500kg FIBC bulk bags

• Custom packaging solutions available

Storage and Handling

• Store in dry conditions (<50% RH)

• Recommended temperature: 10-30°C

• Shelf life: 24 months in original packaging

• Safety precautions: Use dust control measures

Technical Support
Our applications team provides:

• Material selection guidance

• Formulation assistance

• Processing optimization

• Troubleshooting services

• Custom development

Why Choose Our Product?

• Consistent quality with batch-to-batch uniformity

• Tailored particle size distributions

• Competitive pricing with volume discounts

• Reliable global supply chain

• Comprehensive technical documentation

• Regulatory support for compliance

This technical specification sheet provides a detailed overview of our premium talcum powder products. For application-specific recommendations or custom requirements, please consult our technical team for expert guidance.

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