一般用于天然氣較為常見(jiàn)的是氫化丁腈O型圈，而我司考慮到由此而公司用于天然氣產(chǎn)品中的丁腈材質(zhì)，以下是物性報(bào)告的檢測(cè)結(jié)果：

物 性 測(cè) 試 報(bào) 告                                                                   

Compound: NBR70耐天然氣                                                                   

 ASTM D2000 M2BG7014A14B14EO14EO34F16                                                                

Original Properties 【基本物性】                                        "SPEC

規(guī)格值"  " Test Result

測(cè)試結(jié)果"             "Test Method

測(cè)試方法"     

Hardness Shore A 【硬度】                                         70±5     72          D2240   

Tensile Strength,MPA,MIN 【拉伸強(qiáng)度】                                    14   17.9              D412     

Ultimate Elongation,%,MIN 【拉斷伸長(zhǎng)率】                                           250 518.1            D412     

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

Heat Resistance 70H,at 100℃【耐熱老化】                                                           D573     

Change In Hardness,Points,【硬度變化】                                          ±15    +7                

Change In Tensiles Strengths,MAX %【拉伸強(qiáng)度變化】                                         -20  +10.3                  

Change In Ultimate Elongation,MAX %【伸長(zhǎng)率變化】                                          -40        -20.3                   

Button(Ress cure 170℃*10Min)                                                                     

Compressions Set,MAX %,22H at 100℃【壓縮永久變形】B14                                      25   15          D395     

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

耐低溫測(cè)試                                                                  

Resistance To Low temperature -35℃ 3Min      Pass                                                                 D2137   

丁腈材質(zhì)是一種衍生性很強(qiáng)的材質(zhì)，他也可增加耐磨劑，加強(qiáng)耐磨效果�？梢哉{(diào)配成耐低溫產(chǎn)品，性?xún)r(jià)比高，可用性非常的強(qiáng)。如有疑問(wèn)可致電0574-81877896 旭美克密封件有限公司。