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GEN-DRAW 2231
Stamping Oil Lubrication
Engineered exclusively for Aluminum heat exchanger Industry

INTRODUCTION :

Gen Draw 2231 is designed exclusively for a vacuum or thermal de-oiling process. The drawing lubricant is formulated to vaporize with heat from the formed Aluminum heat exchanger parts. This feature eliminates the need for aqueous or solvent cleaning operation after the metal working of Aluminum. Gen Draw 2231 can be removed in a thermal de-oiling furnace, vacuum furnace or CAB (controlled atmosphere Brazing) furnace.

2231 is fortified with select additives to provide optimum lubricity during metal stamping and forming, leading to extended die life. The product formulation obtains the important balance of proper lubrication during metalworking, yet “vaporizes” from parts in minimal time in furnace to avoid delays in the manufacturing process, and eliminates the need for manual cleaning of components. 2231 is non-corrosive and non-staining to aluminum, copper and their alloys.

BACKGROUND :

High peroxide and Acid content in stamping oil has been directly linked to the creation of a substance in stamping dies that causes contamination of parts and makes them unusable. Acceptable peroxide and acid numbers have been determined to ensure that stamping oil does not contribute to part contamination. The heat stability test is performed on 2231 to ensure that the oil will not break down and experience an increase in peroxide or acid level after aging in the stamping presses. 2231 is used in manufacturing processes that use vacuum de-oiling to remove excess oil from the parts so that a good braze joint can be formed. The thermal gravimetric analysis is an excellent indicator to prove how well 2231 will perform when used in your process. The functional test is to prove that the oil will not interfere with the formation of quality braze joints or cause any problems with the brazing furnace. It can also show that oil can be left on parts for several days without affecting the brazing quality. You can further verify suitability of 2231 in your process by performing the Lifted dome Height test and Falex evaluation test.

FEATURES & ADVANTAGES :

FEATURES

ADVANTAGES

		Synthetic lubricant
		Non-corrosive to aluminum, copper and Other non-ferrous metals and ferrous Metals.
		Environmentally friendly
		Vaporizes in furnace Leaves virtually no Residue.

High lubricity and wettability for drawing Aluminum sheet stock. Pre -tested on aluminum fin mills. Easier to remove with heat after forming operation.

Brightening not needed after cleaning.
Waste disposal does not require special reagents

Increase tool life and ease of forming. Economical-low end use cost

Eliminates cleaning operation.

APPLICATION :

Application		Dilution

Stamping		Use as received

Header and Tank forming Up to 14 (gauge) thickness		Use as received

Fin Forming		Use as received

Test		Results

Specific Gravity @ 60°F		0.82

Pensky-Martens Closed Cup Flash Point, °F (°C)		255°F (124°C)

Boiling Point, °F (°C)		448°F (230°C)

Color		Color Water White clear liquid

ALERT - INNOVATIVE - AGGRESSIVE

Note: The information presented herein is our interpretation of certain test results and field experience to date. The information is not to be taken as warranty or representation for which we assume legal responsibility, nor as permission or recommendation to practice any patented invention without a license. It is offered solely for your consideration, investigation and verification.

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