Apex Engineering Products Corporation formulates and manufactures safe and biodegradable specialty cleaning chemicals for a diverse range of applications around the world.

For 80 years, RYDLYME biodegradable industrial chemical descaler has been used to safely and efficiently dissolve tough mineral deposits, such as water scale, lime scale, calcium, rust, and even struvite. This revolutionary descaler is fortified with a complex formula of wetting and penetrating agents that dissolve mineral deposits into a solution for quick and easy disposal.

Apex Engineering Products offers descaling chemicals for cooling towers, heat exchangers, chillers, condensers, boilers, and other equipment.

The World’s Leading Producer of Biodegradable Descalers and Other Products

Often imitated, never duplicated.

Safe Chemical Solutions

Since 1942

RYDLYME Biodegradable Descaler

For 80 years, RYDLYME biodegradable descaler has been used to safely and efficiently dissolve tough mineral deposits, such as water scale, lime scale, calcium, and rust.

Industrial Descaling Systems

RYDLYME Industrial Descaling Systems are specifically designed to circulate RYDLYME through a vast array of equipment and systems keeping your facility in peak operating condition.

Coil Cleaner

RYDALL CC coil cleaner safely cleans and brightens air-cooled condensers, permanent air filters, evaporator coils, window units and any other finned cooling/heating coils or equipment.

Multi-Purpose Degreaser

RYDALL MP multi-purpose degreaser is a non-acidic, non-flammable, highly effective oil and fat remover, able to remove heavy organic components. It provides a complete rinse-off of the pollutants without any danger of combustion and without leaving any greasy films.

Heavy Duty Degreaser

RYDALL HD is our new biodegradable, non-hazardous, citrus-based, Heavy-Duty industrial degreaser. It is a water-soluble, non-butyl, non-phosphate, non-corrosive, emulsifier.

Specialized Degreaser

The revolutionary and versatile RYDALL VP Specialized Degreaser provides a comprehensive cleaning solution for refinery process vessel cleaning and degassing that will reduce downtime, labor, and water usage.

Deodorizing Cleaner

RYDALL DC Deodorizing Cleaner is a 100% natural and safe product that cleans and deodorizes a wide array of surfaces with an innovative non-active biocatalyst.

Water Optimizer

RYDALL WO is a complex mixture of nutrients, vitamins, and trace elements that reduce hydrogen sulfide (H2S), chemical oxygen demand (COD), biochemical oxygen demand (BOD), fats, oil, and grease (FOG), total dissolved solids (TDS) and total suspended solids (TSS).

Odor Eliminator

RYDALL OE Odor Eliminator is a unique, environmentally beneficial non-active biocatalyst made of natural nutrients, vitamins, and trace elements designed to eliminate industrial odors and corrosion problems without the need for hazardous chemicals or masking fragrances.

Safe Quality Chemicals

A solution to your industrial cleaning problems

80 Years In Business

Apex Engineering Products Corporation formulates and manufactures safe and biodegradable specialty cleaning chemicals for a diverse range of applications around the world.

ISO 9001 Certification

Apex Engineering Products Corporation is committed to providing High-Quality Specialty Chemicals that meet or exceed customer requirements in a timely fashion and to continually improve our Quality Management System.

Biodegradable Products

We are proud to be a U.S. manufacturer renowned not only for our biodegradable line of products but also for our in-depth and exceptional customer support.

Manufactured In House

All safe chemicals are manufactured in-house by Apex Engineering Products Corporation. This ensures quality control and timely shipping.

News and Helpful Resources

Read what’s new at Apex and explore what industry experts are saying

Case Studies

Explore the numerous success stories

Lube Oil Filter Cleaning

A die casting company was having issues with their metal filters being clogged with a heat transfer oil.

Green Liquor System Cleaning

A pulp & paper mill was experiencing scale build up throughout their green liquor system.

Paperboard Press Plate Cleaning

A pulp & paper mill was experiencing inadequate temperatures on their plate press.

Stainless Steel Pipeline Cleaning

A pulp & paper mill was experiencing calcium carbonate build up within their stainless steel pipeline.

White Liquor Cooler Cleaning

A pulp & paper mill was experiencing scale build up in their white liquor cooler in a digester.

Sizable Boiler Tube Descaling

A Midwestern college noticed heating inefficiencies in their boiler system due to a layer of scale was found blanketing the boiler tubes causing heating inefficiencies.