HSE states that machining or sanding MDF creates a mixture of softwood and hardwood dust, potentially with resin-derived material and formaldehyde-associated dust.
Source: UK HSE: Frequently asked questions — MDF and woodworking dust ↗Dust entry
Medium-density fibreboard dust
Airborne particulate produced by machining or sanding MDF; HSE describes it as a mixture of wood dust, possible resin-related particulate, and formaldehyde-associated dust.
Airborne form
fiber
The form describes what is suspended in air at the point of exposure. A material can produce more than one form, such as dust during handling and fume during heating.
Health effects
occupational asthmarespiratory irritationdermatitisnasal cancer risk from hardwood dust componentformaldehyde exposure concern
Evidence
Controls
- effective dust extraction
- HEPA-filtered vacuum cleaning
- low-emission board where practicable
- avoid compressed-air cleaning
- appropriate respiratory protection