Professional O-Ring and Oil Seal Manufacturer, Sealing Solution Supplier Since 2008.
Semi-finished materials
FOREVER SEALS offers a range of premium semi-finished tube materials, specially designed to be turned into high-performance seals. At the core of our offerings are essential tube varieties that form the backbone of countless sealing solutions. Discover our PU tube (polyurethane tube), celebrated for its exceptional abrasion resistance and flexibility, making it a versatile choice for diverse industrial applications. The NBR tube (nitrile rubber tube) stands out with its excellent oil resistance, ensuring consistent performance in hydraulic and automotive environments. For extreme conditions involving high temperatures and chemical exposure, our FKM tube (fluororubber tube) delivers unmatched stability, while the HNBR tube (hydrogenated nitrile rubber tube) combines the best of oil resistance and heat tolerance, ideal for challenging operational settings. Additionally, the POM tube (polyoxymethylene tube) offers superior dimensional stability and low friction, perfect for precision sealing components.
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POM (Polyoxymethylene, also known as Acetal / Delrin) semi-finished tube is extruded rigid hollow engineering plastic blank ready for precision machining.
Customers can directly perform CNC turning, drilling and milling to produce bushings, support rings, wear plates, rollers, spacers and mechanical structural parts.
Customers can directly perform CNC turning, drilling and milling to produce bushings, support rings, wear plates, rollers, spacers and mechanical structural parts.
Bronze filled PTFE semi-finished tube is sintered composite tube blank compounded by PTFE matrix and bronze powder (40% / 60% bronze by weight).
NBR (Nitrile Butadiene Rubber) semi-finished tube is vulcanized hollow rubber blank specially designed for CNC turning and machining. It can be processed into custom oil seals, O-rings, gaskets, shaft sleeves and various special-shaped sealing parts without mold opening.
PU semi-finished tube is extruded polyurethane (TPU) hollow blank tube, manufactured from high-quality ester-based or ether-based polyurethane raw materials. It is a semi-finished raw material for further CNC turning, cutting and machining to produce PU seals, bushings, wear sleeves, buffer rings, rollers and other polyurethane elastomer parts.
PU Semi-finished Tube, also known as polyurethane tubular blank, is a professional near-net-shape raw material specially designed for CNC precision turning
It has excellent chemical corrosion resistance (resistant to most strong acids, alkalis, oxidants and organic solvents, not resistant to molten alkali metals and high-temperature fluorine gas), adjustable anti-static/conductive performance (surface resistance: 10⁶–10¹¹ Ω), and good mechanical strength and wear resistance.
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