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Stearic Acid Rubber Grade
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Stearic Acid Rubber Grade is a high-purity fatty acid specifically processed for use in the rubber industry. It acts as a lubricant, dispersing agent, and activator in rubber compounding, enhancing processing characteristics and improving the quality and durability of finished rubber products. This grade ensures optimal performance under the demanding conditions of rubber manufacturing.
Description
Uses
Primary Uses
Rubber Industry
- Processing Aid: Facilitates mixing and extrusion by reducing friction between rubber and machinery.
- Vulcanization Activator: Enhances the efficiency of sulfur vulcanization systems.
- Lubricant & Dispersing Agent: Improves dispersion of fillers and additives, promoting uniformity in rubber compounds.
- Release Agent: Prevents rubber from sticking to molds during shaping and curing processes.
Secondary Uses
Plastic Industry
- Processing Aid: Used in thermoplastics to improve flow properties and finish.
Metal Industry
Metal Processing: Acts as a lubricant in metal forming and forging operations.
PRODUCT KEY FEATURES
Basic Identification Attributes
- Chemical Name (IUPAC): Octadecanoic acid
- Common/Trade Name: Stearic Acid Rubber Grade
- CAS Number: 57-11-4
- HS Code: 2915.11.00
- Synonyms: Stearic acid, octadecanoic acid
Physical & Chemical Properties
- Physical State: Solid (waxy flakes or powder)
- Color & Odor: White to off-white; faint fatty odor
- Melting Point: 69-70 °C
- Solubility: Insoluble in water; soluble in alcohol and ether
- Density: Approx. 0.94 g/cm³
Safety & Hazard Attributes
- GHS Classification: Not classified as hazardous
- Toxicity: Low toxicity; considered safe under normal handling
- Exposure Limits: No established occupational exposure limits
Storage & Handling Attributes
- Storage Conditions: Store in cool, dry, well-ventilated area, away from oxidizers
- Container Type: Bags or drums
- Shelf Life: 24 months under proper storage conditions
- Handling Precautions: Avoid dust generation; keep away from heat and flame sources
Regulatory & Compliance Attributes
- Complies with REACH and other major international chemical safety regulations.
- Manufactured under Good Manufacturing Practices (GMP) to ensure consistent quality and safety.
- Meets ISO 9001 quality management standards.
- Conforms to OSHA Hazard Communication Standard (HCS) and GHS classification for workplace safety.
- Complies with TSCA inventory requirements for the U.S. market.
- Suitable for use under relevant food contact regulations when applicable.
- Meets environmental and transport regulations including UN classification for safe handling.
Environmental & Health Impact
- Biodegradability: Biodegradable under aerobic conditions
- Ecotoxicity: Low toxicity to aquatic life
Bioaccumulation: Not significant
SAFETY HANDLING PRECAUTIONS
Safety Handling Precautions
- PPE Required: Gloves and dust mask recommended
- Handling Guidelines: Use adequate ventilation to control dust exposure
- Storage Measures: Keep containers sealed and dry
First Aid Measures
- Inhalation: Remove to fresh air; seek medical attention if symptoms persist
- Skin Contact: Wash thoroughly with soap and water
- Eye Contact: Flush with water for 15 minutes; seek medical help if irritation continues
- Ingestion: Rinse mouth; obtain medical advice if necessary
Firefighting Measures
- Fire Hazards: Combustible solid
- Extinguishing Media: Use water spray, foam, or dry chemical extinguishers
Hazardous Combustion Products: Carbon oxides and other combustion gases
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