Is UHMW-PE Really More Wear-Resistant Than Steel?

PP offers superior rigidity and heat resistance (mp ~160°C) with good chemical resistance and low cost, making it ideal for chemical tanks, flanges, and pump/valve parts. PE is softer, handles extreme cold better (down to -100°C), and has a low friction coefficient; UHMW-PE delivers 7x the wear resistance of carbon steel, suiting conveyor rails and wear liners. Select PP for rigidity/heat and PE for wear/low-temperature performance.

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Yes. Acrylic is one of the few plastics that can achieve a mirror finish directly through cutting. We use single-crystal diamond tools for precision machining, followed by flame polishing or diamond grinding. Surface roughness is consistently controlled within Ra0.4μm, delivering a high-gloss appearance free of scratches or defects, resembling a mirror. No secondary coating is required. For batch production, identical parameters are used to ensure consistent mirror finish quality.

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Temperature and cost guide selection. PEI offers long-term service up to 170°C (Tg 217°C), inherent flame retardancy, and lower cost than PEEK, ideal for aerospace interiors, electrical insulation, and medical device structural parts. PEEK withstands long-term temperatures up to 250°C with better chemical and wear resistance, suitable for high-heat, corrosive, or implant-grade applications. For temperatures below 170°C, PEI is usually more economical.

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We focus on volume production with a standard MOQ of 100 units. Unit pricing for plastic parts is highly volume-sensitive—raw materials are purchased in full sheets or bars, so material waste and setup time cannot be amortized below 100 units. Prices drop significantly above 100 units, with a standard lead time of 15-25 days for batch orders.

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The criteria for judgment are consistent: high gloss, high-shine surface, no scratches, and no defects. The difference lies in the process—aluminum parts rely on anodizing and polishing, while plastic parts use diamond cutting and flame polishing or mechanical polishing. When aluminum and plastic parts are mixed in the same batch, we standardize color swatches and gloss samples to avoid visual discrepancies between the two materials on the same product.

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