产品简介(Description):
高密型绿色纤维密封材料GM-3406由100%非石棉矿物纤维、芳纶浆粕、丁苯橡胶、混合无机填料和各种功能助剂组成,经长网连续化造纸工艺制备而成。该产品可用于密封机油、水、冷却液和空气等介质,特别适用于柴油机及变速箱密封环境,最高间歇使用温度可达350℃。
性能指标(Specification Properties):
项目Property | 单位Unit | 指标Value | 检测方法Method |
密度Density | g/cm3 | ≥1.40 | GB/T 22308-2008 |
横向抗张强度 Tensile Strength,AMD | MPa | ≥6.0 | GB/T 20671.7-2006 |
压缩率Compressibility | % | 8~20 | GB/T 20671.2-2006 |
回弹率Recovery | % | ≥45.0 | |
浸渍IRM903号油后性能(150℃,5h)Fluid Resistance, IRM 903 Oil(150℃,5h) | |||
增重率Change in weight | % | ≤55.0 | GB/T 20671.3-2006 |
增厚率Change in Thickness | % | ≤50.0 | |
浸渍蒸馏水后性能(常温,22h)Fluid Resistance, Water(RT,22h) | |||
增重率Change in weight | % | ≤25.0 | GB/T 20671.3-2006 |
增厚率Change in Thickness | % | ≤10.0 | |
氮气泄漏率 (介质压力0.21MPa)Nitrogen sealability (Internal pressure 0.21 MPa) | |||
法兰压力17.2 MPa Flange pressure 17.2 MPa | ml/h | ≤50.0 | GB/T 20671.4-2006 |
备注:产品性能指标的检测方法参照GB/T20671.1-2006中的7型材料。氮气泄漏率测试材料厚度为1.0 mm。 Notes: Specification values are determined by the test methods required for GB/T20671.1-2006, Type 7 materials. For nitrogen sealability, the material gauge is 1.0 mm. |