Glass wool

Description

Fine spun glass fibers sold commercially as a white fluffy mass or a loose blanket. The fibers are approximately one-thousandths of an inch in diameter (1 mil). Glass wool is used for filtration, thermal insulation and as a decorative media.

Synonyms and Related Terms

laine de verre (Fr.); glaswol (Ned.); lã de vidro (Port.)

Risks

• Fine, friable glass fibers can cause skin and lung irritation.
• Potential carcinogens.
• CD Fine Chemicals: SDS

Physical and Chemical Properties

• Insoluble in all solvents except hydrofluoric acid.
• Density = 2.55 g/ml
• Refractive index = 1.531
• Glass transition temperature = 551 C

Resources and Citations

• Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
• Wikipedia: Glass wool (Accessed Mar. 20, 2006 and Oct 2023)