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热塑性耐油弹性体 NB-4000
Oil Resistance Thermoplastic Elastomeric Compound...
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Product Description 产品描述
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系列是丁腈橡胶与级性或非级性树脂的动态或非动态硫化共混物(TPNBR&TPVC)。有优异的耐油(ASTM3#油,燃油,齿轮油,制动油,润滑油),耐臭氧,耐候性;强度,耐曲挠性具优。符合欧盟的RoHS要求,不含重金属等有害物质。其中4001为低卤阻燃型,4003无卤。本系硬度范围: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
-       各种硬度范围的油封和车用密封件
-       各种输油管,热油管,油环境中车用脚轮,万向轮
-       耐油,耐腐,耐磨工作鞋,防护靴
-       电缆用耐油护套:如矿用,机车,焊接机电缆
 
 
Processing Indicator 加工工艺 
Machine Barrel Temperature
机筒温度
Molding Temprature
机头温度
Melting Temperature
熔体温度
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. 以上温度仅作参考,根据挤出机及螺杆结构的不同,可相应调整。
 
Dry Condition 干燥条件 
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℃条件下干燥2-3小时,或在70-80℃条件下干燥3-4小时,保持树脂含水量小于0.1wt%后再使用。
 
Physical and Electrical Properties 物理及电气性能
Item
试验项目
Unit
单位
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.
最高使用温度
120 120 ---
Tensile Strength
拉伸强度
MPa 15 18.7 14.2
Elongation at Break
断裂伸长率
% 330 440 240
Compression Set
压缩永久变形
70℃×22hr
%
45 40 ---
Abrasion
磨耗量(阿克隆)
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无裂纹 No crake无裂纹 No crake无裂纹
Low Temperature Impact
低温冲击
-25℃ Pass
通过
Pass
通过
Pass
通过
Brittleness Temperature
脆性温度
-40 ---- ----
Air Aging Condition
热空气老化条件
136℃×168h
Variation of Tensile Strength拉伸强度变化率 % +22.6 +20 +12
Variation of Elongation
断裂伸长变化率
 
% -32.4 -28.9 -15
Flame Retardant (Uprightness)
阻燃性(垂直燃烧)
/ V-0 ---- ----