棕色氟胶O型圈

Brown FKM O-Ring | High Temperature Oil Resistant Fluoroelastomer Seal

棕色 FKM 氟胶 O 型圈，耐 200℃高温、耐油耐臭氧，采用氟碳弹性体 FKM 材质（ISO 命名 FPM），是工业高温耐油密封首选件。液压 / 汽车 / 阀门/动态/静态密封件，AS568 美标 + 非标定制，日标，英标，德标等。是工业高温耐油密封首选件。

Brown FKM O-ring, high temp resistant up to 200℃, oil & ozone resistant. ISO3601 & ASTM compliant sealing gasket for hydraulic, automotive, valve. AS568 standard & custom sizes available.

核心性能参数（ASTM 标准测试）

• 持续工作温度：-20℃ ~ +200℃，短时峰值可达 230℃

• 常规硬度：75 Shore A ±5，可定制 60~90 Shore A

• 拉伸强度：≥14 MPa；断裂伸长率：180%~250%

• 压缩永久变形：≤20%（175℃，22h，ASTM D395 Method B）

• 密度：约 1.80 g/cm³

• ✅ 耐介质能力优异耐受矿物液压油、发动机机油、齿轮油、燃料油、润滑油、臭氧、热空气；适配烃类油品密封，抗老化、抗氧化、不易溶胀失效。

• ✅ 应用场景液压油缸、气动元件、汽车燃油 / 传动系统、泵阀管道、通用机械设备，支持静态密封与动态往复、旋转密封工况。

• ✅ 产品规格支持美标 AS568 系列、公制国标全规格现货，同时承接非标定制，可按图纸定制内径、线径；表面光洁无气泡、缺料瑕疵，尺寸公差严格遵循 ISO 3601 标准。

• ✅ 备注不适用于酮类、酯类、部分磷酸酯液压油等强极性介质；特殊工况请提前确认介质兼容性。

Brown FKM O-Ring (Fluoroelastomer O-ring Seal), made of fluorocarbon elastomer FKM (ISO designation FPM), widely recognized as premium sealing component for high-temperature and oil-resistant industrial services. 

✅ Key Technical Data (ASTM Test Standard)

• Continuous operating temperature: -20℃ ~ +200℃, intermittent peak up to 230℃

• Standard hardness: 75 Shore A ±5, custom range 60~90 Shore A available

• Tensile strength: ≥14 MPa; Elongation at break: 180%~250%

• Compression set: ≤20% (175℃, 22h, ASTM D395 Method B)

• Density: approx 1.80 g/cm³

✅ Chemical ResistanceExcellent compatibility with mineral hydraulic oil, engine oil, gear oil, fuel oil, lubricants, ozone and hot air. Outstanding anti-aging & anti-oxidation performance, low swelling in hydrocarbon fluids. 

✅ Typical ApplicationsHydraulic cylinders, pneumatic components, automotive fuel & transmission systems, pumps, valves, pipelines and general machinery. Suitable for both static sealing and dynamic reciprocating / rotary sealing. 

✅ SpecificationsAS568 standard sizes & metric sizes in stock. Custom non-standard O-rings supported, ID & cross-section made per drawing. Dimensional tolerance complies with ISO 3601. Flawless surface without blisters or defects. 

✅ NoticeNot recommended for ketones, esters and phosphate ester hydraulic fluids. Please verify chemical compatibility before application for aggressive working conditions.