DP PULVERIZERS CRYOGENIC MILLING REDEFINED Ultra-Fine Grinding for Heat-Sensitive, Sticky & Challenging Materials DP Pulverizers – Engineering Particle Performance at Sub-Zero Temperatures

CONTROL WHAT OTHERS CAN’T In advanced material processing, particle size is only one part of the equation. Material behavior—especially under heat, stress, and mechanical force—defines whether a process succeeds or fails. Polymers smear. Spices lose aroma. Chemicals degrade. Sticky materials clog systems. Heat-sensitive compounds break down. This is where conventional milling reaches its limit—and cryogenic milling takes control. At DP Pulverizers, we engineer cryogenic grinding systems that transform difficult materials into precision powders by controlling temperature, brittleness, and particle...

THE SCIENCE OF CRYOGENIC GRINDING Cryogenic milling is driven by thermal-mechanical transformation. Material Behavior Shift Condition Ambient Temperature Cryogenic Temperature At cryogenic temperatures, internal molecular motion is reduced, allowing materials to fracture instead of stretch or smear. Result: Higher impact efficiency Elastic, sticky, deforming Brittle, fracturable Reduced energy waste Superior particle uniformity HOW DP CRYOGENIC MILLING WORKS Precision Feeding High-Speed Grinding Material is cooled using controlled LN₂ injection to reach optimal embrittlement temperature. Vibratory...

why cryogenic milling is essential Cryogenic milling is not a niche solution—it is a critical requirement when processing: ° Sticky or greasy products ° High-fat food ingredients • Materials with volatile compounds Without cryogenic control: T Materials melt or smear * Product quality suffers With DP cryogenic systems: You gain full control over the process and the final product. WHY TEMPERATURE CONTROL DEFINES PARTICLE PERFORMANCE In many applications, the difference between ambient and cryogenic milling is the difference between process instability and engineered performance. THE LIMITATION...

THE CRYOGENIC ADVANTAGE By lowering temperature below the glass transition point, cryogenic systems fundamentally change how materials respond to impact. • Materials fracture cleanly • Sticky products become free-flowing • Heat generation is eliminated • Volatile compounds are preserved • Grinding efficiency increases Cryogenic milling becomes essential for: • Rubber and recycled materials • Spices and food ingredients • Heat-sensitive chemicals and APIs • High-fat or sticky materials In these cases, ambient milling is not inefficient—it is technically incapable of delivering the required result....

THE DP ADVANTAGE – WHERE WE WIN 1. TRUE CRYOGENIC ENGINEERING We don’t “add nitrogen”—we engineer temperature-controlled grinding systems. 4. SCREEN-LESS DESIGN No clogging Continuous operation Consistent throughput 2. HIGH-ENERGY CONTRA PIN TECHNOLOGY Counter-rotating discs High relative velocity Agglomerate-free grinding Proven design with scalable performance Adjustable: Rotor speed Temperature Feed rate 3. OPTIMIZED LN₂ UTILIZATION Reduced nitrogen consumption Efficient cooling profiles Lower operating costs Grinding intensity 6. COMPLETE SYSTEM SOLUTIONS DP provides: Feed systems Cryogenic...

DP Cryogenic Mills are engineered to process: Stable processing + free-flowing powders + consistent output process control & I Temperature sensors ° Vibration monitoring ° Safety interlocks ° Explosion protection up to 10 bar * Metal separation options | Particle size range: 10-500 microns ° Adjustable PSD ° Safety interlocks ° High throughput * Consistent particle shape @ www.dppulveriser.com www.dpmills.com

CRYOGENIC MILLING APPLICATION PLAYBOOK SPICES & FOOD INGREDIENTS Challenge: Heat destroys aroma and essential oils DP Solution: Cryogenic grinding preserves volatile compounds Result: • Stronger flavor • Higher product quality • Increased shelf value HIGH-FAT & GREASY MATERIALS Challenge: Smearing and buildup DP Solution: Embrittlement enables clean fracture Result: • No clogging • Continuous operation www.dppulveriser.com www.dpmi

Elastic deformation and melting BryoqenjC: embrittlement + high-SpeiB impact •1 Fine powders • Recyclablamaterial streams I Challenge: Thermal degradation Low-temperature grinding • Stable chemistry • Consistent product RUBBER & ELASTOMERS NUTRACEUTICALS Challenge: Impossible to grind at ambient temperature Sub-zero brittleness + impact grinding • Uniform crumb No heat + controlled processing Maximum active retention High-value product output @ www.dppulveriser.com www.dpmills.com

Cryogenic milling is not about grinding harder. It is about engineering material behavior through temperature control. At DP Pulverizers, we combine: Advanced cryogenic systems High-speed impact technology Application-driven engineering To deliver solutions that transform the most difficult materials into high-value, precision powders. Bring us your most difficult material. We’ll engineer your solution. Lab testing available Cryogenic trials Scalable systems DP Pulverizers – The Science Behind Every Particle at Sub-Zero Temperatures www.dppulveriser.com www.dpmills.co

Bahrain Ghana Malaysia Saudi Arabia Qatar Bangladesh Hongkong Newzealand South Africa U.A.E Canada Indonesia Nigeria Sri Lanka Zambia Contact Us North America (Factory) Contact: John Paul Email: [email protected] Scotland, Great Britain Contact: Laura Griffin Email: [email protected] www.permixmixers.co.uk