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Cold forming and wire drawing synthetic lubricant for copper and copper alloys for use in aqueous systems.

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Product Overview

BONDERITE® L-FM 390-B (known as Copperskin 390-B) is a water-based, synthetic lubricant formulated for cold forming and drawing of copper, copper alloys and non-ferrous metals. 


BONDERITE® L-FM 390-B is a water stable emulsion to be used in aqueous systems.  The  working coolant concentration is from 1.5 - 10% by volume.  Normal additions of BONDERITE L-FM 390-B should keep the coolant in chemical balance. 

Features & Benefits

Does not stain copper during storage and annealing
Low foaming formula
Copper fines settle quickly
Minimal sludge formation

Problems Solved

Excessive sludge formation due to reactivity with copper.
Dirty machinery and metal working tools and related quality issues.

Product Specifications

Concentration:   1.5 - 10% by volume
pH:    6.5 - 8.5
Temperature:   90 – 120° F (32 – 50° C) 

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