Overview
The TPV803S-3STR is a high-performance thermoplastic vulcanizate (TPV) engineered for demanding industrial applications. Combining the elasticity of rubber with the processability of thermoplastics, it is widely used in sectors requiring durable, flexible materials. Its formulation ensures resistance to weathering, chemicals, and mechanical stress, making it a preferred choice for seals, gaskets, and hoses. TPVs like the TPV803S-3STR are produced through dynamic vulcanization, a process that cross-links rubber particles within a thermoplastic matrix. This results in a material that retains its properties over a wide temperature range (-40°C to 135°C), suitable for both indoor and outdoor use.
Physical and Chemical Properties
The TPV803S-3STR exhibits a density of approximately 0.95-1.00 g/cm³, making it lightweight yet robust. Its melting point ranges between 160-180°C, allowing for easy processing via injection molding or extrusion. The material is insoluble in water and resistant to oils, acids, and alkalis, ensuring longevity in harsh environments. Key mechanical properties include high tensile strength (typically 8-12 MPa) and elongation at break (300-500%). These characteristics, combined with UV and ozone resistance, make it ideal for automotive and construction applications where exposure to the elements is common.
Main Applications
The TPV803S-3STR is extensively used in the automotive industry for sealing systems, such as door and window seals, due to its durability and noise-reducing properties. In construction, it serves as gaskets and expansion joints, providing reliable performance under thermal and mechanical stress. Industrial applications include hoses and tubing, where its chemical resistance is critical. Consumer goods like sports equipment and appliance components also benefit from its flexibility and aesthetic versatility, as it can be custom-colored to meet design requirements.
Safety and Storage
While the TPV803S-3STR is generally non-toxic and safe for handling, precautions should be taken during processing to avoid inhalation of dust or fumes. Use standard PPE, including gloves and masks, when working with molten material. Ensure adequate ventilation in processing areas. Storage conditions are straightforward: keep the material in a cool, dry place, away from direct sunlight and moisture. Properly sealed packaging prevents contamination and maintains material integrity. Shelf life is typically 12-24 months under optimal conditions.
B2B Procurement Guide
When procuring TPV803S-3STR, prioritize suppliers with certifications such as ISO 9001 or IATF 16949, particularly for automotive applications. Request material data sheets (MDS) and test reports to verify properties like tensile strength and chemical resistance. Bulk purchasing (e.g., 1-ton pallets) often reduces costs, with prices ranging from $2.50-$4.50 per kg. Consider lead times and logistics, as TPVs are commonly shipped in 25-kg bags or supersacks. For custom formulations, collaborate with suppliers early to ensure compatibility with your production processes.
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