寧波市美圖美金屬制品有限公司密封部：

        無(wú)石棉墊片.材料：以芳綸纖維、無(wú)石棉礦物纖維、人造纖維、合成耐油橡膠、性能填料，經(jīng)熱輥壓制，硫化制成。
用途：適用于各種摩托車發(fā)動(dòng)機(jī)及齒輪箱裝配用密封墊片。
溫度：250℃
壓力：2.0MPa以下 ITEMS 項(xiàng)目TEST CONDITION 試驗(yàn)條件BLW2002 Tensile strengthMpa≥ASTM F1529 Density 密度g/cm3-1.5±1.8 Compressibility壓縮率%ASTM F36J12±5 Recovery回彈率%≥ASTM F36J45 Flexibility柔軟性-Bend 180° on the bar with diameter which is 12 times than the sample thickness.
在直徑為試樣厚度12倍的圓棒上彎曲180度NO Crack
無(wú)裂紋 Creep relaxation蠕變松弛率%≤ASTM F3835 corrosion腐蝕性Place in steam of distilled water at 70℃±2℃ for 24h with hard aluminium.
與硬質(zhì)鋁放置在70℃±2℃的蒸餾水蒸汽中24小時(shí)。NO Corrosion
無(wú)腐蝕 Sealability 氣密性-Keep for 10min in water at room temperture & pressure with air pressure 0.2~0.25MPa.
在常溫常壓水中保持10分鐘，空氣壓力為0.2MPa-02.5MPa，空氣壓力為0.2MPa-0.25MPaNo bubble
無(wú)氣泡 Decrease rate in tensile strength 橫向拉伸強(qiáng)度減少率%≤Immersed into the 20#aviation libricants oil （conform requirement by GB/T440）for 5h at 150℃±2℃，then pick up and keep it for 30min at 15℃-30℃
溫度150℃±2℃，在符合GB/T440要求的20號(hào)航空潤(rùn)滑油中浸泡5h后取出，在15℃-30℃下放置30分鐘40 Thickness increase
浸油增厚率%≤20 Variation in appearance
浸油外觀變化-No bubble
無(wú)氣泡 Tensile strength
橫向拉伸強(qiáng)度Mpa≥Immersed into the 75# aviation iubricants oil（conform to the 熱氣ore，emt by GB 1737）or in the 3# jet fuel （conform to rhe requirement by GB 6537）for 5h，then pick up and keep it for 5min.
溫度15℃-30℃，在符合GB1737要求的75號(hào)航空潤(rùn)滑油或符合GB6537要求的3號(hào)噴氣燃料中浸泡5h后取出，放置5分鐘7 Thickness increase
浸油增厚率%≤20 Flexibility柔軟性-NO Crack
無(wú)裂紋 Sealability of oil
油密封性Mpa15℃-30℃，75# aviation Lubricants oil （conform to the requirement by GB1737）or 3#jet fuel （conform to the requirement by GB6537）in 15MPa ，within 30 min
溫度15℃-30℃，介質(zhì)為符合GB1737要求的75號(hào)航空潤(rùn)滑油或符合GB 6357要求的3號(hào)噴氣燃料，壓力為15MPa，保持30分鐘8 -fully Sealed完全密封 Working Temperature
工作溫度℃Instant/Normal
瞬間/正常300/-30~250 Working Pressure
工作壓力MpaMax/Normal
最大/正常4.0/2.0