- What is AFM®?
- AFM® benefits at a glance
- What makes AFM® so effective?
- Excellent performance of AFM® in comparison with quartz sand and other glass filter media
- Ask a question
AFM® Activated Filter Media is a direct replacement for sand, doubling the performance of sand filters without the need of additional investments in infrastructure. AFM® resists biofouling, biocoagulation and transient wormhole channeling of unfiltered water and outlasts all other filter media.
AFM® is a highly engineered product manufactured from a specific glass type, processed to obtain the optimum particle size and shape. It is then exposed to a 3-step activation process to become self-sterilising and to acquire superior adsorption properties. During activation, the structure and the chemistry of the glass are modified.
- ... more than doubles the performance of an existing filtration system
- ... is not subject to biodynamic instability and will never allow untreated water to pass
- ... substantially lowers chlorine oxidation demand
- ... lowers backwash water demand by an average of 50%
- ... is expected to last for the life of the filtration system
- ... provides quick return on investment
Manufacturing of AFM®
1. Clean, carefully selected glass
AFM® is only made from pure green and brown glass which have the necessary metal oxides to help make AFM® self-sterilising.
2. Ideal hydraulic properties
The raw material is ground into the optimal grain size and shape, crucial for the outstanding hydraulic properties of AFM®.
No dangerous glass splinters are allowed to be present in the filter material. Our manufacturing process is ISO certified.
3. Activation process
The AFM®activation process creates a mesoporous structure with a huge catalytic surface area for greater adsorption and catalytic reactions. Hydroxyl groups on the surface give AFM® a strong negative charge, known as the zeta potential, that attracts heavy metals and organic molecules. In the presence of small amounts of oxygen or oxidising agents, the catalytic surface generates free radicals that make AFM® self-sterilising.
AFM® comes with important certifications such as NSF 50 (swimming pools) and 61 (drinking water), HACCP, UK DWI and others. AFM® has been indepently tested by IFTS Institut de la Filtration et des Techniques Séparatives in France in 2014 and its superior performance over quartz sand and othe glass filter media was confirmed and and is documented in the the 2014 IFTS Report available below. AFM® more than doubles the performance of a quartz sand filter and it performes multiple times better than all other glass filter media tested.
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For local customers
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For international customers
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