亚洲中文字幕无码久久2017

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                                                            熱塑性耐油彈性體 NB-4000
                                                            Oil Resistance Thermoplastic Elastomeric Compound...
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                                                            Product Description 產品描述
                                                            NB-4000 series are dynamic or non-dynamic TPNBR & TPVC compounds which are dynamic vulcanized by nitrile rubber and polar resin or non-polar resin. They have excellent oil-resistant (ASTM3# oil, fuel oil, gear oil, brake oil, lubricant oil), anti-ozone, anti-climate, strength and anti-flex properties. They can meet RoHS Standard, and have no heavy metals. NB-4001 is low-halogen flame retardant while NB-4003 is halogen-free. Hardness of NB-4000 series are 75A-40D.
                                                            NB-4000系列是丁腈橡膠與級性或非級性樹脂的動態或非動態硫化共混物(TPNBR&TPVC)。有優異的耐油(ASTM3#油,燃油,齒輪油,制動油,潤滑油),耐臭氧,耐候性;強度,耐曲撓性具優。符合歐盟的RoHS要求,不含重金屬等有害物質。其中4001為低鹵阻燃型,4003無鹵。本系硬度范圍:75A~40D。
                                                             
                                                            Application 主要用途
                                                            -       Oil seal and car seal in all kinds of hardness
                                                            -       All kinds of oil delivery pipe, oil pipe, car trundle in oil environment, Omni-directional wheel
                                                            -       Foot-ware which is oil-resistant, corrosion resistant and abrasion-resistant, protective boots
                                                            -       Oil resistant cable jacketing, like mining usage, locomotive and welding machine cables
                                                            -       各種硬度范圍的油封和車用密封件
                                                            -       各種輸油管,熱油管,油環境中車用腳輪,萬向輪
                                                            -       耐油,耐腐,耐磨工作鞋,防護靴
                                                            -       電纜用耐油護套:如礦用,機車,焊接機電纜
                                                             
                                                             
                                                            Processing Indicator 加工工藝 
                                                            Machine Barrel Temperature
                                                            機筒溫度
                                                            Molding Temprature
                                                            機頭溫度
                                                            Melting Temperature
                                                            熔體溫度
                                                            150– 180 ℃ 185 ±5℃ 175±5℃
                                                            The temperature mentioned above is for reference only, and should be modified according to different extrusion machines and screw structures. 以上溫度僅作參考,根據擠出機及螺桿結構的不同,可相應調整。
                                                             
                                                            Dry Condition 干燥條件 
                                                            No need for drying in normal environment. If the compound was affected with damp, dry it in 90℃ conditions for 2-3 hours, or in 70-80℃conditions for 3-4 hours. Keep the moisture content of the compound smaller than 0.1wt%.
                                                            一般不需干燥。如受潮,在90℃條件下干燥2-3小時,或在70-80℃條件下干燥3-4小時,保持樹脂含水量小于0.1wt%后再使用。
                                                             
                                                            Physical and Electrical Properties 物理及電氣性能
                                                            Item
                                                            試驗項目
                                                            Unit
                                                            單位
                                                            Typical Data
                                                            典型值
                                                            NB-4001 NB-4002 NB-4003
                                                            Density at 23℃
                                                            23℃密度
                                                            g/cm3 1.452 1.09 0.956
                                                            Hardness
                                                            硬度
                                                            Share A 85 82 92
                                                            Highest Working Temp.
                                                            最高使用溫度
                                                            120 120 ---
                                                            Tensile Strength
                                                            拉伸強度
                                                            MPa 15 18.7 14.2
                                                            Elongation at Break
                                                            斷裂伸長率
                                                            % 330 440 240
                                                            Compression Set
                                                            壓縮永久變形
                                                            70℃×22hr
                                                            %
                                                            45 40 ---
                                                            Abrasion
                                                            磨耗量(阿克。
                                                            cm3/1.61kM 0.08 0.12 0.2
                                                            Ozone Resistance Aging
                                                            耐臭氧老化
                                                            50×10-8
                                                            Tension 20%
                                                            40℃×72hr
                                                            No crake無裂紋 No crake無裂紋 No crake無裂紋
                                                            Low Temperature Impact
                                                            低溫沖擊
                                                            -25℃ Pass
                                                            通過
                                                            Pass
                                                            通過
                                                            Pass
                                                            通過
                                                            Brittleness Temperature
                                                            脆性溫度
                                                            -40 ---- ----
                                                            Air Aging Condition
                                                            熱空氣老化條件
                                                            136℃×168h
                                                            Variation of Tensile Strength拉伸強度變化率 % +22.6 +20 +12
                                                            Variation of Elongation
                                                            斷裂伸長變化率
                                                             
                                                            % -32.4 -28.9 -15
                                                            Flame Retardant (Uprightness)
                                                            阻燃性(垂直燃燒)
                                                            / V-0 ---- ----
                                                             
                                                             
                                                             
                                                            亚洲中文字幕无码久久2017