Defoamers We are a worldwide market leader in foam control

technology offering a complete line of environmentally compliant

and process-friendly defoamers suitable for various mining applications. Our versatile

product line includes the latest technology in silicone emulsion and silicone-free

defoamers to meet all of your defoaming needs.

Foam can be a problem in many different mining processes.

We bring an experienced team of application and technical

sales representatives into the mineral or metal process

to offer the best solutions for your particular foaming

issues. They are backed by R&D and product management

personnel with vast experience in both new product

and defoamer applications development. Whether it

is in flotation, wastewater treatment or other specific

applications, our team of experts can tailor defoamer

chemistry to address problems in any environment.

We are committed to working with you to find the most

environmentally compatible answers to your most difficult

foaming problems. With the increasing importance and

complexity of new regulations, Kemira works to remain

ahead of current and future trends that may impact your

operations. We can also assist in navigating the regulatory

waters that govern the most environmentally sensitive

areas in the world. Our defoamer product portfolio for

mining applications has been designed to minimize the

negative environmental effects they can otherwise cause.

Product Description

Water–based

Callaway® 8195 General purpose; oil–free; nonylphenol ethoxylates–free; water–based; minimizes foam in waste

treatment applications

Callaway 8196 Low toxicity blend that has excellent performance on a cost–basis

Silicone

Callaway 8840 100% active, amide– and mineral oil–free silicone

Callaway 8850 30% silicone emulsion; little to no contribution to plant oil & grease discharge specifications

Callaway 8860 15% silicone emulsion; economical and suitable for many uses

Callaway 8880 15% silicone emulsion

Silicone–free

Callaway 8520 General purpose, mineral oil–free, synthetic, liquid defoamer–de–aerator effective in many applications

Callaway 8920 Silicone–free defoamer used in severe pH applications

Oil–based

Callaway 8695 Non–silicone; oil–based; effectively controls foam coming from flotation applications

Callaway 8698 Non–silicone; highly dispersible; oil–based; effectively controls foam coming from flotation applications

With manufacturing sites across North America and Europe, we are

always close to our customers. In addition, our state–of–the–art

technology centers around the world set the standard for unique and

innovative products and solutions. Kemira’s global defoamer plants

are back–integrated and manufacture most of the components used

in the product line. These include hydrophobic silicas, fatty amides,

polymeric additives and surfactant and silicone chemistries.

Defoamers for Mining Applications

Kemira makes this information available as an accommodation to its customers and it is intended to be solely a guide in customers’ evaluation of the products. You must test our products to determine if they are suitable for your intended uses and applications, as well as from the health, safety and environmental standpoint. You must also instruct your employees, agents, contractors, customers or any third party which may be exposed to the products about all applicable precautions. All information and technical assistance is given without warranty or guarantee and is subject to change without notice. You assume full liability and responsibility for compliance with all information and precautions and with all laws, statutes, ordinances and regulations of any governmental authority applicable to the processing, transportation, delivery, unloading, discharge, storage, handling, sale and use of each product. Nothing herein shall be construed as a recommendation to use any product in conflict with patents covering any material or its use.

Callaway® is a registered trademark of Kemira Oyj or its subsidiaries.

Global reach, local presence

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011

1000 Parkwood CircleSuite 500

Atlanta, Georgia 30339Tel. +1 800 347 1542Fel +1 800 436 3432

Kemira P.O. Box 330

FI-00101 HelsinkiFinland

Tel + 358 10 86 11Fax +358 10 862 1124

www.kemira.com