Product Overview
Formaldehyde is everywhere in modern buildings—released by pressed wood products, insulation, textiles, and cleaning products. It's also a potent irritant and carcinogen, making its control a health priority. But formaldehyde is notoriously difficult to remove with standard activated carbon because it's highly volatile and polar, resisting physical adsorption.
PFH-E solves this problem through a specialized impregnation that creates chemisorption sites specifically reactive with aldehyde groups. The "PFH" stands for PureStar Formaldehyde Hunter; "E" indicates the enhanced formulation with higher impregnant loading for demanding applications.
Specifications
| Technical Specifications | PFH-E | Unit |
| Moisture content | < 10 | % |
| Stacking density | 540-590 | kg/m³ |
| Intensity | > 95 | % |
| Floating ash | Hand grasp has no obvious black | - |
| Filter box carbon volume | 60-70 | g |
| Protection time (National standard) | ≥25 | min |
| Protection time (as measured) | 30-35 | min |
Key Application Areas
- New construction and renovation projects — off-gassing control from building materials
- Manufactured housing — formaldehyde emission control from composite wood products
- Healthcare facilities — patient room air quality, operating suite preparation
- Museums and archives — protection of sensitive collections from formaldehyde in display cases
- Automotive interiors — new vehicle air quality improvement
- Funeral homes and laboratories — formaldehyde-using operation protection
How It Works
The impregnated reactive sites undergo a chemical reaction with formaldehyde molecules, converting them into stable, non-volatile compounds that remain bound to the carbon surface. This is true destruction, not just temporary capture—formaldehyde cannot desorb and re-enter the air stream.
