包氟硅胶O型圈耐高温包氟硅胶O型圈耐腐蚀包氟硅胶O型圈供应包氟硅胶O型圈包氟硅胶O型圈供应商包氟硅胶O型圈耐高温包氟硅胶O型圈耐腐蚀包氟硅胶O型圈供应包氟硅胶O型圈包氟硅胶O型圈供应商产品简介products i*oduction：包覆O型圈，也称作“包氟O型圈”, 外部采用FEP或PFA特种耐高温氟塑料，内部包覆弹性橡胶（氟胶/硅胶等)Q型圈经以特殊工艺复合而成的密封产品 Teflon Encapsulated rings are the seal products which are produced through the special co*ite procedure,adopting special high temperature-resistant fluorine rubber and plastics.Inner core with silicone rubber/fluorine rubber, outside coating with fluorine plastic(FEP/PFA).形状Shape：圆形或矩形Round or Rectangular产品特点Features： 优异的耐腐蚀，几乎适用于所有化学介质 Good corrosiveness resistance ,supper chemical resistance, can resistant nearly all the chemical medium. 优异的密封性能及长寿命 Good sealing effect &long service time . 符合环保卫生要求 Can meet the environmental protection requirements. 耐高温，FEP: 200度 PFA 260度 Heatproof and wide temperature range.FEP:200 PFA:260 低摩擦系数，耐磨 Good wear-resistance. 良好的耐压缩性能 Good shrinking-resistance.包覆产品的特点Features of YRK Encapsulated O-Ring外层材质The outer material: 外层FEP/PFA管均采用进口原料生产 Outer FEP/PFA materials adopt imported raw materials.FEP主要性能指标FEP main performance index:项目items指标index相对密度Relative density 2.14～2.17拉伸强度tensile strength（纵向vertical）Mpa≥250断裂拉伸应变Fracture strain （纵向vertical ）≥20%使用温度operating temperature：-80℃～+200℃长期使用long period workingPFA主要性能指标PFA main performance index项目items指标index相对密度relative density2.12～2.17拉伸强度tensile strength（纵向vertical）Mpa≥18.0断裂拉伸应变Fracture strain （纵向vertical）≥20%使用温度operating temperature：-80℃～+260℃长期使用long period working 内层橡胶材质The inner layer rubber materials：内层橡胶采用*原料生产，按以下标准执行Adopting quality raw materials,according to the following standards:氟橡胶 E-60C级Fluorine Rubber Grade E-60C硅橡胶 ZZR 765B级Silicone Rubber Grade ZZR765B硬度Hardness： 硅橡胶Silicone Rubber: 85-90氟橡胶Fluorine Rubber: 90-95 尺寸精度dimensional precision:YH 包覆产品采用新工艺生产，制造各过程采用专机和*工装，可以保证产品尺寸的精度和一致性。 YH 包覆产品实际尺寸精度保持在*标准以上，YH encapsulated products adopt new technology of production,with special machine for special using in each manufacturing process,and we can ensure the accuracy of products size precision. 附Attachment：JB/T 10706-2007 机械密封用全包覆橡胶O型圈尺寸和公差要求（部分）JB/T 10706-2007 mechanical seal with full coating sealing ring.(part of the items)丝径CS-Diameter公差Tolerance丝径CS-Diameter公差Tolerance丝径CS-Diameter公差Tolerance1.78(0.070)±0.084.50（0.177)±0.108.40(0.330)±0.152.00(0.078)±0.094.70（0.185）±0.109.50(0.375)±0.152.62(0.103)±0.095.00(0.196)±0.1010.00(0.393)±0.153.00(0.118)±0.105.33(0.210)±0.1312.00(0.472)±0.153.20(0.125)±0.105.70(0.225)±0.1316.00(0.630)±0.153.53(0.139)±0.106.99(0.275)±0.1518.00(0.708)±0.154.00(0.157)±0.108.00(0.312)±0.1520.00(0.787)±0.15内径及公差 ID and tolerance内径 ID公差Tolerance内径 ID公差Tolerance内径 ID公差ToleranceID
