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JEFFCOOL® E100N Inhibited Ethylene Glycol(s) and Heat Transfer Fluid

Huntsman Corporation
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E-100N Inhibited Ethylene Glycol(s)
JEFFCOOL® E100N Heavy Duty Stationary Engine Coolant

JEFFCOOL® E100N Inhibited Ethylene Glycol(s)

 

DESCRIPTION

JEFFCOOL E100N is an inhibited ethylene glycol used as a heavy duty stationary engine industrial coolant. The inhibitor system is designed to protect brass, copper, solder, steel, cast iron, aluminum, and other metals commonly found in industrial stationary engine systems. A foam inhibitor is included to minimize foaming tendencies during service.

 

The effectiveness of JEFFCOOL E100N Inhibited Ethylene Glycol in preventing corrosion has been proven in extensive laboratory simulated service and in actual service tests.

 

CAUTION: JEFFCOOL E100N Inhibited Ethylene Glycol(s) must not be used where contact with food or potable water is possible.

 

APPLICATIONS

Stationary Engines  

JEFFCOOL E100N Inhibited Ethylene Glycol is recommended as a coolant for stationary engines in applications such as natural gas processing, irrigation, power generating systems, oilfield operations, and portable air compressors. JEFFCOOL E100N Inhibited Glycol is specially formulated to provide protection of cylinder liners from cavitation corrosion. JEFFCOOL E100N Inhibited Ethylene Glycol protects the cooling systems from freezing in winter, overheating in summer, and corrosion in all seasons. The reduction in internal corrosion significantly improves heat transfer and lowers overall maintenance costs. Use in engines containing aluminum cylinder heads should be avoided.

JEFFCOOL E100N Inhibited Glycol has been tested by the ASTM D1384 and D2809 corrosion tests and found to pass by ASTM D4985.

 

JEFFCOOL E100N Inhibited Glycol is fully compatible with other water/glycol products designed for similar applications.

 

JEFFCOOL E100N Inhibited Glycol is now accepted for use in all heavy duty engines under these brand names:

 

• Ajax

• Caterpillar   

• Cooper Bessemer

• Dresser-Rand

• Enterprise

• Superior

• Waukesha

 

HANDLING AND STORAGE

JEFFCOOL E100N Inhibited Ethylene Glycol(s) may be stored in unlined carbon steel tanks and drums. If storage of undiluted JEFFCOOL E100N Inhibited Glycols for periods exceeding 12 months is desired, it is recommended that the storage vessels be constructed from aluminum, stainless steel, or lined carbon steel. Vinyl, epoxy, and phenolic linings are suitable. Amercoat®-23 and Amercoat®-75 linings have been found satisfactory. Stocks of JEFFCOOL E100N Inhibited Ethylene Glycol(s) should be rotated every two to three years, if possible.

 

Undiluted JEFFCOOL E100N Inhibited Glycols may freeze where ambient temperatures fall below 0°F. Freezing points of various aqueous solutions of JEFFCOOL E100N Inhibited Glycol are shown in Figure 1. Freezing will not harm JEFFCOOL E100N Inhibited Ethylene Glycol(s); however, the product should be thoroughly mixed after it is completely thawed. Also, when the temperature of undiluted JEFFCOOL E100N Inhibited Glycol is below 40°F, the viscosity will be such that pumping and transfer will be difficult. In areas where these conditions exist, it is recommended that storage vessels be equipped with stainless steel heating coils. Diluted JEFFCOOL E100N Inhibited Ethylene Glycol is easily pumped under normally encountered temperatures.

 

The normal precautions associated with any chemical should be observed in handling JEFFCOOL E100N Inhibited Glycol(s), although it is neither explosive nor flammable under normal storage conditions. The ethylene glycol in JEFFCOOL E100N Inhibited Ethylene Glycol(s) is toxic if taken internally. Splashes onto eyes or skin must be washed away quickly and medical treatment is advised for eye exposure. Breathing of the vapors or mists should be avoided. For additional information, see the Toxicity section.

 

PREPARATION OF THE COOLING SYSTEM  

Before JEFFCOOL E100N Inhibited Glycol is added to a new cooling system, the system should be washed and thoroughly flushed with water. This will remove pipe scale, welding slag, dirt, and other impurities.

 

Existing systems that are being filled with JEFFCOOL E100N Inhibited Ethylene Glycol(s) should be thoroughly cleaned to improve heat transfer characteristics and prevent contamination of the coolant. Regardless of the cleaning agent used, the system must be thoroughly flushed with water before the JEFFCOOL E100N Inhibited Glycol is added. Cleaning agents used should be handled in strict accordance with instructions furnished by their suppliers.

 

Whenever an existing system is cleaned, a few leaks may be discovered. The presence of the proper maintenance people and equipment during cleaning will result in a much smoother operation.

 

INSTALLATION OF JEFFCOOL E100N COOLANT

Dilution of JEFFCOOL E100N Inhibited Ethylene Glycol(s) with water is necessary to obtain proper freeze protection. This should be done prior to installation. See the Table below for recommended water quality to be used for dilutions. Topping-off of cooling systems should be done with a pre-diluted JEFFCOOL solution at the required system concentration.

 

SYSTEM DILUTION CONCENTRATIONS

The freezing protection offered by specific concentrations of JEFFCOOL E100N Inhibited Ethylene Glycol is shown in Figure 1. It is recommended that a safety margin of at least 5°F be maintained for the lowest temperature anticipated. For example, a system with a 1,000-gallon capacity should be filled with 470 gallons of JEFFCOOL E100N Inhibited Glycol and 530 gallons of water if a solution freezing point of -20°F is desired. To ensure adequate corrosion protection, concentration less than 25% by volume of JEFFCOOL Inhibited Ethylene Glycol(s) should not be used.

 

DILUTION WATER SPECIFICATIONS

The use of hard water in JEFFCOOL E100N Inhibited Ethylene Glycol solutions should be avoided. Hard water contains calcium and magnesium ions which deposit scale in the system and could also cause precipitation of a portion of the inhibitor system. Softened water is not recommended because the water softening process may add chlorides and sulfates which may contribute to system corrosion. Where poor water conditions exist, distilled, deionized, or boiler condensate water should be used. If a suitable water source is not available, pre-diluted JEFFCOOL Inhibited Glycol formulas are available from a Huntsman authorized distributor.

 

RECOMMENDED WATER SPECIFICATIONS

 

SYSTEM MAINTENANCE PROGRAM

 

Huntsman Corporation, in conjunction with our authorized JEFFCOOL Inhibited Glycol distributors, provides a comprehensive system maintenance program, including a product analysis service to assure that JEFFCOOL E100N Inhibited Ethylene Glycol in customer systems maintains the proper inhibitor level and desired freeze protection. Once the system is in operation, it is recommended that samples of solution be taken at least once a year. The Inhibited Glycol solution should be circulated for 30 minutes prior to sampling to ensure a representative sample.

 

SAMPLE TEST KITS

 

Sample test kits are free of charge to Huntsman distributors and their customers who purchase JEFFCOOL Inhibited Glycols. Kits are available upon request. The kits include: self-addressed shipping box, pre-labeled sa
mple bottle, weather-proof self-adhesive product installation tag and detailed sampling procedures. Analytical results from the samples will be forwarded to customers.

 


REINHIBITING PROCEDURE

Occasionally, after prolonged or severe service, a solution of JEFFCOOL E100N Inhibited Ethylene Glycol may need to be reinhibited. The need for reinhibition will be detected during the periodic analysis program and a recommended pro-cedure will be included with the analytical results.

 

JEFFCOOL supplemental coolant additives (SCA-N) are available in five gallon and 55 gallon drum quantities from your JEFFCOOL Inhibited Glycol representatives. The components of JEFFCOOL SCA-N replenish critical inhibitors required to provide continued protection.

 

Additives used in inhibiting JEFFCOOL E100N Inhibited Ethylene Glycol(s) should be handled in strict accordance with instructions furnished by their suppliers.

 

TOXICITY AND SAFETY  

JEFFCOOL E100N Inhibited Ethylene Glycol is not considered hazardous under ordinary conditions of handling and use. However, oral intake must be avoided, since ethylene glycol is the main component of JEFFCOOL E100N Inhibited Ethylene Glycol(s). Human experience indicates that serious injury or death may result from the swallowing of as little as two fluid ounces of ethylene glycol, and ingestion of excessive amounts of ethylene glycol has produced birth defects in rodents.

JEFFCOOL E100N Inhibited Glycol is slightly irritating to skin and eyes. When contact occurs, eyes should be flushed thoroughly with water for at least 15 minutes; if irritation or discomfort develops or persists, a physician should be consulted. Splashes on the skin should be washed off promptly.

 

The vapor pressure of JEFFCOOL E100N Inhibited Glycol at room temperature is quite low, so there is no appreciable inhalation hazard at ordinary temperatures. However, precautions must be observed to prevent breathing of mist, spray, or fumes generated by excessive heat, since this could lead to absorption of toxic quantities of these materials.

 

A Material Safety Data Sheet for JEFFCOOL E100N Inhibited Ethylene Glycol is available on request from Huntsman Corporation.

 

SHIPPING INFORMATION

JEFFCOOL E100N Inhibited Ethylene Glycol is available in tank wagons and nonreturnable 55-gallon, poly drums and 275-gallon totes. Bulk and packaged inventory is available at select locations throughout the U.S. Contact your local Huntsman Sales Representative for details.

 

TECHNICAL SERVICE  

We maintain a technical service staff at our laboratories in The Woodlands, TX, to assist you in the use of

JEFFCOOL Inhibited Glycol products. Additionally, several of our authorized JEFFCOOL product Master Distributors are staffed to provide technical assistance with JEFFCOOL Inhibited Glycol(s).

 

Figure 1

Freezing Points of Aqueous Solutions of JEFFCOOL® E100 & E100N Inhibited Glycols

 

Figure 2

Specific Gravities at 60/60˚F of Aqueous Solutions of JEFFCOOL® E100 & E100N Inhibited Glycols

 

Figure 3

Equilibrium Boiling Points of Aqueous Solutions of JEFFCOOL® E100 & E100N Inhibited Glycols

 

Figure 4

Refractive Index of Aqueous Solutions of JEFFCOOL® E100 & E100N Inhibited Glycols


 

Figure 5

Specific Gravities of Aqueous Solutions of JEFFCOOL® E100 & E100N Inhibited Glycols

 

Figure 6

Viscosities of Aqueous Solutions of JEFFCOOL® E100 & E100N Inhibited Glycols

 


 

Figure 7

Specific Heats of Aqueous Solutions of JEFFCOOL® E100 & E100N Inhibited Glycols


Figure 8

Thermal Conductivities of Aqueous Solutions of JEFFCOOL® E100 & E100N Inhibited Glycols


 

Figure 9

Thermal Expansion of Aqueous Solutions of JEFFCOOL® E100 & E100N Inhibited Glycols


 

 

 

Figure 10

Conversion Chart for Aqueous Solutions of JEFFCOOL® E100 & E100N Inhibited Glycols


 

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