... in pressed-wood products such as particleboard,interior-grade plywood, and fiberboard.It is also a major ingredient in urea ... -formaldehyde foam insulation,adhesives, dyes, inks and medicines and embalming fluids. Formaldehyde can be released into indoor air ... of formaldehyde exposure include: irritation of the eyes, nose,and throat; excessive thirst; headache; sneezing; shortness of breath; ...