Overview
Polyurethane plastic matte agent is a functional additive designed to control the surface gloss of polyurethane (PU) products. It achieves a uniform matte effect by altering light reflection through microscopic surface structuring or filler dispersion. Primarily used in high-end applications like automotive interiors and designer furniture, these agents balance aesthetic requirements with PU's inherent durability. They are compatible with various PU processing methods, including spraying, casting, and extrusion.
Physical and Chemical Properties
Most commercial matte agents are silica-based or wax-modified compounds with particle sizes ranging from 2-20 microns. They exhibit thermal stability up to 200°C, ensuring performance during PU processing. The matting efficiency depends on particle concentration (typically 1-5% by weight) and dispersion quality. Advanced formulations maintain transparency in clear coatings while reducing gloss to below 10 GU (60° measurement). Compatibility tests with specific PU systems are recommended before bulk use.
Main Applications
In synthetic leather production, matte agents create premium suede-like finishes for shoes and handbags. Automotive manufacturers use them for dashboard components to reduce glare. The electronics industry employs these additives for non-reflective keyboard coatings and device housings. Recent developments include UV-curable matte coatings for 3D-printed PU parts, meeting growing demand in prototyping and small-batch production.
Safety and Storage
Powder forms require dust control measures during handling to prevent respiratory exposure. Liquid formulations often contain solvents needing proper ventilation. Storage in original sealed containers at 10-30°C prevents clumping or sedimentation. Shelf life typically exceeds 12 months when stored correctly. Spill cleanup should use inert absorbents followed by disposal as chemical waste per local regulations.
B2B Procurement Guide
Industrial buyers should specify technical requirements including target gloss level (e.g., 20° vs 60° measurement), processing temperature range, and final product hardness. Sample testing is essential. Bulk purchases (500kg+) often qualify for 10-15% discounts. Leading manufacturers include Evonik, BYK, and local Asian suppliers. MOQs commonly start at 25kg. Request certificates of analysis (CoA) and REACH/SDS documentation for international shipments.
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