Composition. The most common types of glass fiber used in fiberglass is E-glass, which is alumino-borosilicate glass with less than 1% w/w alkali oxides, mainly used for glass-reinforced plastics.he first type of glass used for fiber was soda lime glass or A-glass (A for the alkali it contains). It is not very resistant to alkali. A new type, E-glass, was formed; this is an alumino-borosilicate glass that is alkali This was the first glass formulation used for continuous filament formation.
White patches are the main symptom of oral hairy leukoplakia. The patches are: White and âcorrugated,â or folded, in appearance. Hairy, hair-like growths come from the folds in the patches. Permanent, you canât remove the patches with a toothbrush or with another oral care tool.
The two common viral infections in HIV patients are herpes virus and hairy leukoplakia. Herpes is a virus that can cause red sores on the roof of the mouth, as reported by the National Institute of Dental and Craniofacial Research (NIDCR). Herpes sores can be painful and are contagious. The sores can appear outside of the mouth and lips as well. If they are outside of the oral cavity, the sores are called fever blisters. Hairy leukoplakia is caused by the Epstein-Barr Virus (EBV) and, according to the NIDCR, is a common oral lesion found in AIDS patients.