A Knifemakers caution... Beware The Deadly Dust!
Micarta is a trade name that was given to thermoset laminates back in the 1890’s by Westinghouse. Phenolic is another name used to describe this hard, dense material. Phenolic sheets are made by applying heat and pressure to layers of Paper, Cotton (linen or canvas), and Glass fabrics impregnated with synthetic resin. This industrial laminate, or composite since it is comprised out of a combination of materials, is extremely durable, lightweight, moisture resistant and deadly if inhaled over a prolonged period. Carbon Fiber falls under this category also.
Stellite® Blades - The fumes and dust of this magnetic metal is odorless & highly toxic. VASCO WEAR, similar to Stellite® in edge holding ability, and this dust is also deadly.
The inhalation of metal dusts may produce diverse health effects depending on the specific metal dust involved. For example: Iron dust may accumulate in the lungs and cause siderosis. Aluminium dust irritates the respiratory system and may result in chronic non-specific lung disease. Beryllium dust irritates the lungs and may result in tracheobronchitis, pneumonitis and beryllosis, and may also be a possible carcinogen. Lead dust results in systemic poison effects. Manganese dust irritates the lungs and may have a chronic effect on the nervous system. Nickel dust irritates the respiratory tract and some nickel exposures may result in lung or nasal cancer.
Let’s not forget Bone, Tooth & Ivory/Tusk Dust which harbor many strange and cancer-causing agents !
Highly toxic wood preservatives including, but not limited to pentachlorophenol (penta), chromated copper arsenate (CCA), and creosote, as well as many pesticides used in plywood are released into the air when cut or ground.
Brazing/Soldering should be done in a well-ventilated place, and only cadmium & lead free materials should be used.