Material
EPDM
15 articles referencing this material.
- MaterialsNOK O-Ring Materials — JIS Classes, Compound Codes and Test DataTechnical reference to NOK O-ring materials: compound codes (A305, E116, S503, F201, G636, T222), JIS B 2401 material classes, service temperatures, compression set, TR10 and volume-change data for JIS O-rings.12 min · Updated 2026-08-13
- Product FocusNOK Oil Seals — Profiles and Material OptionsTechnical engineering reference to NOK rotary shaft seals: SC, SB, TC, TB, VC, KB, TCJ and HRE profiles, ISO 6194 / JIS / JASO equivalents, lip compound codes (A727, T303, S728, F585), shaft and housing design data, run-out limits and failure diagnosis.16 min · Updated 2026-08-13
- Product FocusSKF Industrial Seals — range, types and replacement guideAn engineer's map of the SKF industrial seals range: power transmission, hydraulic, fluid handling and machined seals, plus materials, design data and how to cross-reference replacements.11 min · Updated 2026-08-13
- GeneralPrototype seals and rapid sealing solutionsPrototype seals, custom O-rings, CNC machined sealing components, PTFE parts and rapid manufacturing for engineering development, testing and low-volume production.11 min · Updated 2026-08-10
- MaterialsO-Ring Material Selection — Temperature, Media and Physical PropertiesContinuous temperature ranges, media compatibility and typical physical properties for NBR, HNBR, FKM, EPDM, silicone, polyurethane and FFKM O-ring compounds, plus hardness and approvals guidance.9 min · Updated 2026-08-08
- Engineering Q&AO-Ring Storage, Shelf Life and HandlingHow long O-rings last in storage by material, correct storage conditions, why rings must never be hung or stretched, what white blooming means, and safe handling at the point of fitting.6 min · Updated 2026-08-08
- StandardsO-Ring Size Standards — ISO 3601, JIS B 2401, AS568 and How to Cross ThemDecode O-ring size codes across ISO 3601, JIS B 2401 P/G/V, AS568 dash numbers, BS 1806 and JASO — with cross-section tolerances and a method for identifying an unknown ring or groove.8 min · Updated 2026-08-08
- Technical ArticlesHow an O-Ring Actually Seals — Squeeze, Reaction Force and Pressure EnergisingThe mechanics behind O-ring sealing: installed squeeze, reaction force, pressure energising, groove fill, hardness against extrusion, surface finish targets and compression set.9 min · Updated 2026-08-08
- Technical ArticlesChamfers, Lead-Ins and O-Ring Installation DamageLead-in chamfer angles and dimensions by O-ring section, assembly rules for threads and cross-drilled ports, and how to tell installation damage apart from genuine service failure.8 min · Updated 2026-08-08
- Technical ArticlesO-Ring Groove Design — Squeeze, Fill, Elongation and Back-Up RingsWorking reference for O-ring groove design: piston, rod, flat-face and dovetail configurations, squeeze and groove fill targets, elongation limits, three-sided grooves and back-up ring selection.10 min · Updated 2026-08-08
- GeneralWhat We KnowAn evolving index of sealing knowledge accumulated by Sealparts since 1980 — from leather seals and hand drawings to modern hydraulic, pneumatic, Japanese and prototype sealing technology.24 min · Updated 2026-08-07
- GeneralBefore Selecting a Seal, Interrogate the ApplicationThe Sealparts Seal Application Interrogation Tool — a structured method for interrogating a sealing application before selecting a seal. Covers function, hardware, operating conditions, media, environment, failure evidence, regulation, tooling, tariffs, country of origin, geopolitical risk and supply continuity.18 min · Updated 2026-07-26
- Failure AnalysisThe O-Ring Always Gets the BlameAfter forty years in sealing, the O-ring is usually where a failure becomes visible — not where it began. A field guide to groove design, surface finish, materials, compression set, pressure transients, assembly, storage and traceability.10 min · Updated 2026-07-24
- GeneralHow to Specify and Buy a Seal for a New ApplicationA 25-step engineering and commercial guide for OEMs specifying a new seal — from NDA, application data and material selection through to tooling ownership, IP, country of origin, spares strategy and long-term supply.22 min · Updated 2026-07-24
- MaterialsSakagami Materials — Physical Properties ReferencePhysical properties of Sakagami NBR, HNBR, NBR blends, EPDM, FKM, S-KID and polyurethane compounds: hardness, tensile strength, elongation, temperature range and TR10 low-temperature data.6 min · Updated 2026-07-23