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© 2019 by TGWT Clean Technologies & Harsco Industrial Patterson-Kelley

Program Benefits

 

Green Chemistry

Purified tannins
Sustainable
Biodegradable

Surface Protection

Multi-Metal Protection for:
Aluminum
Mild steel
Copper

Heat Efficiency

Maintaining or restoring your high heat efficiency

Cleaning the Loop

Slowly cleaning scale and corrosion by-products

Easier Testing

Simple, time-saving colorimetric or color comparison tests available 

Non Hazardous

Safer to handle
Non toxic
Can be sent to drain

German Engineering

Purified Tannin has been protecting heating loops since 1989 in Europe and 2005 in North America.

Beware of imitations. Tannins are complex molecules and only one program has been tested and endorsed by Harsco Industrial Patterson-Kelley.

 

About Us

Harsco Industrial
Patterson-Kelley

Harsco Industrial Patterson-Kelley is a recognized market leader and major producer of heat transfer equipment.

 

Their hot water boilers and water heaters are installed in institutional, commercial, and industrial building applications such as: schools, offices, apartment buildings, dormitories, hospitals, and hotels.

TGWT
Clean Technologies

TGWT, also known as The Tannin Guys®, is a leader in green chemistry, water treatment for steam boilers and closed, hot loops.

Green chemistry to improve performance without capital investment.

 

Learn more about the best practices

by getting in touch with our experts