Hammond - The Change Catalyst
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The Cure for Acid Stratification

Gravity Guard logo (trademarked)

GravityGuardTM enables lead batteries to achieve the benefits of reduced acid stratification without the downsides inherent in traditional solutions.

Hammond chemicals in vials

Patent-Pending Innovation

HAMMOND RESEARCH LEADS THE WAY AGAIN

GravityGuardTM integrates with the active material, increasing surface area. The mono-silicate additive acts like “micro-sponges” that trap acid electrolytes, thereby minimizing the acid density gradient.

Real-World Testing

ON-SITE PRODUCT & PRODUCTION LINE VERIFICATION

After extensive research, development, and trials in our lab and manufacturing facilities, we implemented production line battery verification with trusted manufacturing partners around the world.

Battery manufacturer facility processing test plates with GravityGuard.
sports car in motion

Proven Results

BETTER CYCLE LIFE, CHARGE EFFICIENCY & BATTERY LIFE

The results continue to exceed industry expectations. Full-scale battery testing shows GravityGuardTM reduces acid stratification, improves electrical performance, and prolongs battery life.

Read All About It

"NEW ADDITIVE SOLVES TRADITIONAL PROBLEM,"

says Batteries International Magazine in their story on GravityGuardTM. When initial testing showed impressive results on the long-standing problem of acid stratification the magazine made GravityGuardTM its cover story.

HGI-Lead-Silicate-Cover-Story-Summer-2021

Our E=(LAB)² offers research, analysis & battery testing.

We make oxides for automotive & industrial applications.

More than 120 custom advanced expander formulations.

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