一般用于天然气较为常见的是氢化丁腈O型圈，而我司考虑到由此而公司用于天然气产品中的丁腈材质，以下是物性报告的检测结果：

物 性 测 试 报 告                                                                   

Compound: NBR70耐天然气                                                                   

 ASTM D2000 M2BG7014A14B14EO14EO34F16                                                                

Original Properties 【基本物性】                                        "SPEC

规格值"  " Test Result

测试结果"             "Test Method

测试方法"     

Hardness Shore A 【硬度】                                         70±5     72          D2240   

Tensile Strength,MPA,MIN 【拉伸强度】                                    14   17.9              D412     

Ultimate Elongation,%,MIN 【拉断伸长率】                                           250 518.1            D412     

Specific Gravity (g/cm3)【比重】                                        1.22±0.03    1.241            D297     

Heat Resistance 70H,at 100℃【耐热老化】                                                           D573     

Change In Hardness,Points,【硬度变化】                                          ±15    +7                

Change In Tensiles Strengths,MAX %【拉伸强度变化】                                         -20  +10.3                  

Change In Ultimate Elongation,MAX %【伸长率变化】                                          -40        -20.3                   

Button(Ress cure 170℃*10Min)                                                                     

Compressions Set,MAX %,22H at 100℃【压缩永久变形】B14                                      25   15          D395     

Fluid Resistance NO.1 Oil 70H at 100℃【耐#1油老化】                                                             D471     

耐低温测试                                                                  

Resistance To Low temperature -35℃ 3Min      Pass                                                                 D2137   

丁腈材质是一种衍生性很强的材质，他也可增加耐磨剂，加强耐磨效果。可以调配成耐低温产品，性价比高，可用性非常的强。如有疑问可致电0574-81877896 旭美克密封件有限公司。