Filler WTD
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Filler WTD is a versatile, finely processed powdered filler primarily used in a wide range of industrial applications including paints, coatings, plastics, adhesives, sealants, rubber compounds, and construction materials. It is engineered to improve product performance by enhancing mechanical properties, increasing volume, reducing cost, and improving processing characteristics. Filler WTD typically exhibits excellent dispersibility, consistent particle size distribution, and good compatibility with various resin systems and binders. Its primary role is to act as an inert extender or reinforcing agent, providing bulk and stability while maintaining or enhancing the physical and chemical properties of the final formulation.
Description
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Filler WTD
Primary Uses
- Paints and Coatings
- Serves as an extender pigment to increase volume and reduce formulation costs without compromising coating quality.
- Enhances opacity, brightness, and surface smoothness of paints and varnishes.
- Improves mechanical properties such as scratch resistance, durability, and weathering performance.
- Aids in controlling viscosity and rheology for better application and flow.
- Plastics and Polymers
- Used as a reinforcing filler in thermoplastics and thermosets to improve stiffness, dimensional stability, and impact resistance.
- Helps reduce shrinkage and warpage during molding processes.
- Contributes to improved processing efficiency by modifying melt flow and extrusion characteristics.
- Acts as a cost-effective volume extender to reduce raw material expenses.
- Adhesives and Sealants
- Enhances the mechanical strength and durability of adhesive bonds and sealant compounds.
- Controls shrinkage and curing characteristics.
- Improves workability and consistency of formulations.
- Rubber Compounds
- Used as a reinforcing or processing filler in natural and synthetic rubber products to improve tensile strength, abrasion resistance, and elasticity.
- Assists in controlling hardness and resilience of rubber goods.
- Construction Materials
- Incorporated into cement, mortar, plaster, and putty formulations to improve bulk, reduce cracking, and enhance workability.
- Improves texture and finish quality of architectural coatings and plasters.
Secondary Uses
- Paper Industry
- Utilized as a filler to improve paper opacity, brightness, and printability.
- Enhances surface smoothness and ink receptivity.
- Ceramics and Glass
- Acts as a functional filler in ceramic bodies to improve firing behavior and mechanical properties.
- Used in glass formulations to modify melting points and optical properties.
- Cosmetics
- Occasionally employed in personal care formulations (e.g., powders) as a texturizing and bulking agent, though this is less common depending on composition.
PRODUCT KEY FEATURES
1. Basic Identification Attributes
- Chemical Name: Variable depending on composition (commonly calcium carbonate, talc, silica, or other mineral fillers)
- Common/Trade Name: Filler WTD
- CAS Number: Depends on primary mineral content (e.g., calcium carbonate CAS 471-34-1)
- HS Code: Varies depending on material but generally under 2508, 2529, or related chapters
- Molecular Formula: Variable depending on specific filler chemistry
2. Physical & Chemical Properties
- Physical State: Fine powder
- Color: Off-white to white, depending on formulation
- Odor: Odorless
- Particle Size: Typically micron-sized, uniform distribution for optimal dispersibility
- Density: Varies (usually 2.5–2.8 g/cm³ for mineral fillers)
- Solubility: Insoluble in water and organic solvents
- pH: Neutral to slightly alkaline depending on composition
- Stability: Chemically inert and stable under normal processing and storage conditions
3. Safety & Hazard Attributes
- Hazard Class (GHS): Generally classified as non-hazardous inert material; dust may cause respiratory irritation
- Toxicity: Low toxicity; prolonged inhalation of dust may cause respiratory discomfort
- Exposure Limits: Follow local occupational exposure limits for nuisance dust (typically OSHA PEL = 15 mg/m³ total dust, 5 mg/m³ respirable dust)
4. Storage & Handling Attributes
- Storage Conditions: Store in dry, cool, and well-ventilated areas; avoid moisture to prevent caking
- Container Type: Bags or bulk containers designed to minimize moisture ingress
- Shelf Life: Indefinite if stored properly in sealed, dry conditions
- Handling Precautions: Use dust control measures; wear PPE during handling to avoid dust inhalation
5. Regulatory & Compliance Attributes
- Complies with relevant industry standards for fillers in paints, plastics, and construction materials
- Registered and approved for use in applicable industries according to regional regulatory frameworks
6. Environmental & Health Impact
- Biodegradability: Inert mineral fillers do not biodegrade but are environmentally stable
- Ecotoxicity: Generally low environmental impact; avoid uncontrolled release into waterways
- Bioaccumulation: Not applicable
- Carcinogenicity/Mutagenicity: Not carcinogenic; inert mineral nature
SAFETY HANDLING PRECAUTIONS
- Safety Handling Precautions
- PPE Required: Dust mask or respirator, safety goggles, gloves
- Handling Guidelines: Minimize dust generation; use local exhaust ventilation where possible
- Storage Measures: Keep containers sealed and dry
- Hygiene Practices: Wash hands after handling; avoid eating/drinking in handling areas
- First Aid Measures
- Inhalation: Move to fresh air; seek medical advice if respiratory irritation occurs
- Skin Contact: Wash with soap and water; seek medical attention if irritation develops
- Eye Contact: Rinse thoroughly with water for at least 15 minutes; consult a physician if irritation persists
- Ingestion: Rinse mouth; seek medical advice if large quantities swallowed
- Firefighting Measures
- Fire Hazards: Non-flammable
- Extinguishing Media: Use appropriate media for surrounding fire
- Special Precautions: None specific to Filler WTD; avoid dust cloud ignition
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