Bentonite Clay vs PTFE as Grease Thickeners: Performance Comparison for Formulators

Specialty grease thickeners — bentonite clay, PTFE, calcium sulfonate, polyurea — each serve distinct applications based on temperature range, shear stability, water resistance, and regulatory requirements. For formulators choosing between bentonite clay and PTFE-thickened bases, understanding the practical performance differences is essential. Bentonite Clay Greases Bentonite clay (montmorillonite) greases are non-melting — they don’t have […]

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EAL Lubricants: How to Formulate Environmentally Acceptable Greases and Oils

Environmentally Acceptable Lubricants (EALs) are required on commercial vessels in US and EU waters, near waterways and ecologically sensitive areas, and increasingly in forestry and offshore applications. For formulators developing EAL-compliant products, the additive package is often the most difficult component to qualify. What Defines an EAL Additive? The EPA Vessel General Permit (VGP) and […]

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