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美孚Mobil Polyrex EP2电机润滑脂详细说明 (浏览622次)

美孚宝力达EP 2

多用途润滑脂

产品描述

美孚宝力达EP 2是剪切稳定的聚脲润滑脂具有优良的极压(EP)和承载特性。专有的聚脲增稠剂体系具有优异的耐氧化性和油分离在操作温度高达350°F。凭借其出色的高温氧化稳定性,承载能力强,剪切稳定性,耐水性和较宽的工作温度范围内,美孚宝力达EP 2是一个优秀的多用途润滑脂,适用于工业和建筑应用广泛。

特点和优点

极压保护和热稳定性

美孚宝力达EP 2包含一个专有的极压(EP)添加剂包,提供了承载能力而不在高温下降低了润滑脂的热稳定性。在其它多用途使用的常规硫和磷的基极压添加剂的润滑脂开始在温度高于250°F。迅速氧化 美孚宝力达EP 2,另一方面,继续提供磨损和极压防护,高水平至350°F无抗磨损或抗极压添加剂的快速氧化。

美孚宝力达EP 2的出色的高温润滑寿命赫然展现在ASTM D 3336润滑脂寿命测试 - 平均ASTM D 3336寿命为490小时,3?5倍以上的有竞争力的多高温润滑生活更美好目的锂基润滑脂。

濠江剪切稳定性

专有的聚脲增稠剂体系在美孚宝力达EP时,受到机械剪切力2显示出优异的耐久性和稳定性。类似的高品质的复合锂基润滑脂的性能,这是基准 - 例如,在ASTM D 217静力触探,美孚宝力达EP 2的一致性了大约一个NLGI级正在制订100,000中风后改变优良的剪切稳定性。与此相反,含有剪切不稳定增稠剂技术竞争的聚脲润滑脂可以在相同的测试条件下,通过3 NLGI等级软化。良好的机械剪切稳定性是很重要的滚子轴承应用中过多的油脂软化可能导致从轴承润滑脂的泄漏或清洗。

优异的耐水性

在美孚宝力达EP 2配方是加强与防水聚合物,使得它形成于应用程序都严重污染了水的坚韧保护膜。在水淋(ASTM D 1264)和喷水销(ASTM D 4049)测试中获得的美孚宝力达EP 2的优异成绩证明了油脂的留在原地,即使在加压喷水的存在能力。

综上所述,美孚宝力达EP 2提供了以下功能和优点:

  • 杰出的高温氧化稳定性
  • 优良的机械剪切稳定性
  • 热稳定的极压(EP)保护
  • 宽工作温度范围(-40°F至350°F)
  • 水喷雾起飞和水淋优异的抗

应用

美孚宝力达EP 2是一个优秀的多用途润滑脂,适用于工业和建筑应用广泛。


典型属性

美孚宝力达EP 2
稠化剂类型 聚脲
NLGI等级 2
颜色 绿色
基础油粘度,ASTM D 445
厘斯@ 40°C 235
厘斯@ 100℃ 18.4
矿物油粘度指数,ASTM D 2270 85
渗透,ASTM D217工作,60X度,mm/10 280
渗透,ASTM D217工作,10万度,mm/10 310
滴点,ASTM D 2265,°C(°F) 280(535)
高温润滑脂寿命,ASTM D 3336,小时@ 177℃ 490
四球焊接,ASTM D 2596,千克 500
四球磨损伤痕直径,@ 1200转,40千克,75℃,1小时,mm 0.4
铁姆肯OK负荷,ASTM D 2509,磅 45
低温扭矩,ASTM D 4693,-40°C,NM 12.2
油分离试验,ASTM D 1742,% <0.3
喷水过,ASTM D 4049,% 15
水冲蚀,ASTM D-1264,@ 79°C,% 2.7
锈蚀保护,ASTM D 1743

健康与安全

健康的皮肤状况取决于清洁。油和油脂,皮肤接触可能导致堵塞汗腺和毛囊。这可能会导致皮肤发炎或皮炎。因此,防护手套,衣服和设备应佩戴和良好的个人卫生习惯,应始终实行。油,油脂和其他异物应该从皮肤迅速被删除。脏衣物不应该保持与皮肤接触。美孚宝力达EP 2从皮肤通过无水洁手剂,然后用肥皂,温水,和皮肤刷清洗容易地除去。它可以从衣物通过干洗用的溶剂或用洗涤剂洗涤被除去。如果美孚宝力达EP 2与眼睛接触,用水冲洗眼睛用清水,直至刺激感消失。

正如在所有润滑脂的情况下,如果有一个穿刺伤口用油脂污染,或在油脂被注入人体组织,如“黄油枪受伤,”应该得到及时的医疗援助受伤。

警告:“空”的容器中保留有残余物(液体和/或蒸汽),并可能是危险的。不要加压,切割,焊接,铜焊,焊,钻,磨,或揭露这种容器加热,火焰,火花或其他火源,以免发生爆炸,造成人身伤害或死亡。不要试图清理,因为残留物很难清除,甚至一丝剩余材料构成爆炸危险。“空”圆桶应被完全排净,bunged,并及时返回到桶维修。所有其他容器应以对环境安全的方式,并按照政府规定处理。

根据现有资料显示,本产品不会使用时,为有意申请和材料安全数据表(MSDS)提供的建议得到采纳,产生对人体健康产生不良影响。物质安全资料表可向当地经销部门或上网获取。本品不宜用于除达到预定可使用其他。如需处理用过的产品,注意保护环境。


美孚字型,飞马图样及Delvac MX均为埃克森美孚公司的商标,或者其附属公司之一。


版权所有©2001-2013埃克森美孚公司。保留所有权利。

Mobil Polyrex EP 2

Multi-purpose Grease

Product Description

Mobil Polyrex EP 2 is a shear-stable polyurea grease with excellent extreme-pressure (EP) and load-carrying characteristics. The proprietary polyurea thickener system exhibits excellent resistance to oxidation and oil separation at operating temperatures as high as 350°F. With its outstanding high-temperature oxidation stability, load-carrying capability, shear stability, water resistance and wide operating temperature range, Mobil Polyrex EP 2 is an excellent multi-purpose grease for a wide array of industrial and construction applications.

Features and Benefits

EXTREME-PRESSURE PROTECTION AND THERMAL STABILITY

Mobil Polyrex EP 2 contains a proprietary extreme-pressure (EP) additive package that provides load-carrying capability without degrading the thermal stability of the grease at high temperatures. Conventional sulfur- and phosphorus-base EP additives used in other multi-purpose greases begin to oxidize rapidly at temperatures above 250°F. Mobil Polyrex EP 2, on the other hand, continues to provide a high level of wear and extreme-pressure protection up to 350°F without rapid oxidation of the anti-wear or EP additives.

The outstanding high temperature lubrication life of Mobil Polyrex EP 2 is impressively demonstrated in the ASTM D 3336 grease life test - with an average ASTM D 3336 life of 490 hours, 3 to 5 times better than the high-temperature lubrication life of competitive multi-purpose lithium-base greases.

SUPERB SHEAR STABILITY

The proprietary polyurea thickener system in Mobil Polyrex EP 2 exhibits excellent durability and stability when subjected to a mechanical shearing force. For example, in the ASTM D 217 cone penetration test, the consistency of Mobil Polyrex EP 2 changed by approximately one NLGI grade after being worked for 100,000 strokes - similar to the performance of high-quality lithium-complex greases, which are the benchmark for excellent shear stability. By contrast, competitive polyurea greases containing shear-unstable thickener technology can soften by three NLGI grades under the same test conditions. Good mechanical shear stability is important in roller bearing applications where excessive grease softening may lead to grease leakage or purging from the bearing.

EXCELLENT WATER RESISTANCE

The Mobil Polyrex EP 2 formulation is enhanced with water-resistant polymers that enable it to form a tenacious protective film in applications that are heavily contaminated with water. The excellent results obtained for Mobil Polyrex EP 2 in the water washout (ASTM D 1264) and water spray-off (ASTM D 4049) tests demonstrate the grease's ability to stay in place, even in the presence of a pressurized water spray.

In summary, Mobil Polyrex EP 2 offers the following features and benefits:

  • Outstanding high-temperature oxidation stability
  • Excellent mechanical shear stability
  • Thermally stable extreme-pressure (EP) protection
  • Wide operating temperature range (-40 F to 350 F)
  • Exceptional resistance to water spray-off and water washout


Applications

Mobil Polyrex EP 2 is an excellent multi-purpose grease for a wide array of industrial and construction applications.


Typical Properties

Mobil Polyrex EP 2
Thickener Type Polyurea
NLGI Grade 2
Color Green
Base Oil Viscosity, ASTM D 445
cSt @ 40°C 235
cSt @ 100°C 18.4
Mineral Oil Viscosity Index, ASTM D 2270 85
Penetration, ASTM D217 worked, 60x, mm/10 280
Penetration, ASTM D217 worked, 100,000, mm/10 310
Dropping Point, ASTM D 2265, °C (°F) 280 (535)
High Temperature Grease Life, ASTM D 3336, Hours @ 177°C 490
4-Ball Weld, ASTM D 2596, kg 500
4-Ball Wear Scar Diameter, @1200 rpm, 40kg, 75°C, 1 Hour, mm 0.4
Timken OK Load, ASTM D 2509, lb 45
Low Temperature Torque, ASTM D 4693, -40°C, Nm 12.2
Oil separation test, ASTM D 1742, % ?0.3
Water Spray-off, ASTM D 4049, % 15
Water Washout, ASTM D 1264, @ 79°C, % 2.7
Rust Protection, ASTM D 1743 Pass


上一产品: 美孚滑脂Mobilgrease XHP 005复合锂基润滑脂
下一产品: Mobilith SHC 007 Series 高温润滑脂 (美孚力富SHC系列)
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