Black PE Plastic Square End Caps for Tubular Steel PFC-50x50-PEBlack PE plastic square end caps for tubular steel fence posts and structural tubes. Available in 50x50mm and full size range. UV-resistant, weatherproof.MaterialPE / HDPE (High-Density Polyethylene)FinishBlack UV-stabilized; custom colors availableMOQ5,000 pcsKey FeaturesHDPE/PE material offers superior UV resistance vs standard PP capsMore flexible than PP – less likely to crack under mechanical stressUV-stabilized black pigment maintains appearance after years outdoorsPush-in design with ribbed outer walls for secure fit in steel tubesAvailable in full size range from 20x20mm to 100x100mmIdeal for outdoor fence posts in harsh weather conditionsWidely used by fence contractors in Australia, NZ, and EuropeCustom colors and sizes available for OEM/ODM ordersTechnical SpecificationsSpecificationValueItem No.PFC-50x50-PE (series: PFC-20x20-PE to PFC-100x100-PE)MaterialPE / HDPE (High-Density Polyethylene)ColorBlack (UV-stabilized); White, Grey, Custom colors availableTube Size50x50mm (also available: 20x20, 25x25, 30x30, 40x40, 65x65, 75x75, 100x100mm)TypePush-in insert (internal fit)Top StyleFlat topUV ResistanceExcellent – HDPE with UV stabilizersImpact ResistanceHigh – PE is more flexible than PPMOQ5,000 pcs per size/colorPackaging500–1,000 pcs per cartonApplicationOutdoor fence posts, structural steel tubes, gate posts, industrial tube endsProduct Description<p>The PFC-50x50-PE Black PE Plastic Square End Caps are specifically manufactured from high-density polyethylene (HDPE/PE) for superior UV resistance and flexibility compared to standard PP caps. These black PE end caps are designed for tubular steel fence posts, structural steel tubes, and outdoor applications where long-term UV resistance is critical.</p> <p>PE (polyethylene) material offers better impact resistance and flexibility than PP, making these caps less likely to crack or break under mechanical stress or temperature extremes. The UV-stabilized black pigment ensures the caps maintain their appearance and structural integrity even after years of outdoor exposure. The push-in design with ribbed outer walls provides a secure, snug fit in standard square steel tubes.</p> <p>These black PE plastic square end caps are popular with fence contractors and steel fabricators in Australia, New Zealand, and Europe who require a durable, long-lasting tube end protection solution. Available in a full size range from 20x20mm to 100x100mm. Custom colors and sizes available for OEM/ODM orders.</p>FAQWhat is the difference between PE and PP plastic caps?PE (polyethylene) caps offer better UV resistance, flexibility, and impact resistance compared to PP (polypropylene) caps. PE caps are less likely to crack or become brittle in cold weather or under mechanical stress, making them preferred for outdoor fence post applications.Is the black color UV-resistant?Yes. The HDPE/PE material is UV-stabilized with high-quality black pigment that prevents fading and cracking under prolonged sun exposure.What tube sizes are available in the PE series?The PFC-PE series is available in sizes from 20x20mm to 100x100mm for square tubes, including 25x25, 30x30, 40x40, 50x50, 65x65, 75x75, and 100x100mm.Are these caps suitable for outdoor fence posts in Australia?Yes. The UV-stabilized HDPE material is specifically suitable for the harsh UV conditions in Australia and New Zealand. These caps are widely used by fence contractors in these markets.Can I get samples before placing a bulk order?Yes. We can provide samples within 7 days for standard sizes. Sample fees may apply but are refundable upon bulk order placement.What is the minimum order quantity?The standard MOQ is 5,000 pcs per size and color. We can discuss smaller trial orders for new customers or distributors.Request a quote from HST