HT Series High Temperature Lubricating Oils

Amsoil High Temperature Lubricating OilsAMSOIL Synthetic HT Series High Temperature Lubricating Oils are based on novel, proprietary technology, creating an antiwear product which incorporates the highest quality synthetic base fluids. HT Series Oils provide high operational temperature ranges and unbeatable thermal stability properties. The additive chemistry used provides excellent friction-reducing characteristics, and the synthetic base stocks are both thermally and chemically stable, virtually eliminating carbon formation in the recommended temperature ranges.

To order SG SERIES, contact Technical Services for product recommendations. Their phone number is: (715) 399-TECH (8324) (Customer Referral Number: 1254295)

Package sizes include:

  • 5-Gallon Pail
  • 55-Gallon Drum
  • 275-Gallon Totes

AMSOIL Product Code: ht_series

Product Application
HT Series Oils are the primary recommendation for applications such as stentors, dryers, heat setting machines, tenter frames, oven conveyors and chains, or wherever a lubricant with exceptional high-temperature properties is required.

Recommended operational intermittent temperature ranges are up to 500°F. AMSOIL HT Series Oils are compatible with most seals, paints, petroleum oils and metals including bronze-type components. The HT Series Oils can also be used for a variety of applications, such as gears and bearings or anywhere an antiwear, hightemperature lubricant is required.

The HT Series Oils may be applied to chains manually or automatically. Relubrication is dependent on chain design and length, method of lubrication and operating conditions. For chains operating at temperatures exceeding 180°C (356°F), it is recommended the chain rails be checked for extra lubrication.

Although these oils are stable at high temperatures, to maintain the effective film of lubrication, the relubrication intervals should be monitored and the system periodically inspected for an adequate amount of oil on the components. When increasing the lubrication interval, the quantity applied may be reduced. Pay close attention when adjusting lubrication intervals and quantities applied. Consult manufacturer’s recommendations and adjust accordingly. Improving service conditions can be made cost-effective by improved relubrication intervals. Although AMSOIL lubricants are compatible with mineral oil-based lubricants, it is recommended for optimum performance that the system be thoroughly inspected, drained and cleaned, if warranted, prior to installing the products.

Product Description
AMSOIL Synthetic HT Series High Temperature Lubricating Oils are based on novel, proprietary technology, creating an antiwear product which incorporates the highest quality synthetic base fluids. HT Series Oils provide high operational temperature ranges and unbeatable thermal stability properties. The additive chemistry used provides excellent friction-reducing characteristics, and the synthetic base stocks are both thermally and chemically stable, virtually eliminating carbon formation in the recommended temperature ranges.

Typical problems with other high-temperature lubricants such as thermal degradation (carbon formation), poor volatility characteristics (excessive smoke and fumes), and high oil consumption (from volatility and over lubrication) can easily be overcome by using AMSOIL HT Series High Temperature lubricants. The ability of the HT Series oils to provide cost-effective and problem-solving service means increased uptime and savings on maintenance costs and product consumption.

PERFORMANCE FEATURES

  • Superior film strength and antiwear protection at high temperatures
  • Exceptionally low volatility
  • Intermittent service up to 260°C (500°F)
  • Compatible with petroleum and synthetic lubricants
  • Exceptional multifunctional lubricants

AMSOIL PRODUCT WARRANTY
AMSOIL Industrial Lubricants are formulated to meet or exceed accepted industry specifications. AMSOIL warrants that the use of its lubricants will not cause mechanical damage to any mechanically sound equipment when AMSOIL products are used in full compliance with the company’s recommendations. However, the purchaser of these lubricants is responsible for determining if these specifications are adequate and proper for the intended application. The AMSOIL warranty is limited to lubricant performance consistent with indicated specifications. No additional warranty, expressed or implied, can be made.

AMSOIL PRODUCT AVAILABILITY
AMSOIL products are available in 5-gallon pails, 55-gallon drums, 275-gallon totes and bulk quantities. For 275-gallon totes, please allow two to four weeks for delivery.

HTH and HTI are available in minimum 55-gallon quantities (drum or pails). For these products, please allow four to six weeks for delivery. AMSOIL Industrial Lubricants are stocked in Superior,
Wisconsin and in select regional distribution centers throughout the United States and Canada. AMSOIL will stock additional quantities of lubricants or special order products based on customer requests and regional demands. Contact AMSOIL for pricing and product availability.

TYPICAL TECHNICAL PROPERTIES (revised 3/08)

Synthetic HT SERIES High Temperature Lubricating Oils
HTL
HTM
HTN
HTO
ISO Viscosity Grade ASTM D-2422 150 220 320 460
AGMA Classification 4 5 6 7
Viscometrics 100°C, cSt ASTM D-445 17.0 18.0 24.0 32.3
Viscometrics 40°C, cSt ASTM D-445 158.0 216.5 314.5 481.0
Viscosity Index (VI) ASTM D-2270 115 90 96 99
Specific Gravity (g/ml) ASTM D-1298 0.9516 0.9665 0.9646 0.9672
Density (lbs/gal) ASTM D-1298 7.925 8.049 8.033 8.055
NOACK Volatility (%WL) ASTM D-5800 (DIN 51581) 1.90 1.2 1.1 1.1
4-Ball Wear Test, ASTM D-4172
(40Kg, 1200 rpm, 75°C, 1 hr., mm)
0.37 0.35 0.40 0.40
Flash Point, °C (°F) ASTM D-92 279 (534) 274 (525) 274 (525) 270 (518)
Fire Point, °C (°F) ASTM D-92 306 (583) 304 (579) 304 (579) 296 (565)
Pour Point, °C (°F) ASTM D-97 -32 (-26) -26 (-15) -24 (-11) -22 (-8)
Copper Strip Corrosion Test ASTM D-130 121°C (250°F), 3 hrs. 1A 1A 1A 1A

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