Glass fibers can also occur naturally, as Pele's hair. Glass wool, which is one product called fiberglass today, was invented in 1932â1933 by Russell Games Slayter of Owens-Corning, as a material to be used as thermal building insulation.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.
Average Temperatures in Port-Au-Prince, Haiti. 1  The mean annual temperature in Port-Au-Prince, Haiti is very hot at 28.1 degrees Celsius (82.6 degrees Fahrenheit).
The warmest month of the year is July, when the average high temperature is 84.5 Â°F (29.2 Â°C). Overnight low temperatures in July average 56.4 Â°F (13.6 Â°C). The coldest month of the year is January, with an average high temperature of 21.1 Â°F (â6.1 Â°C) and lows of â0.6 Â°F (â18.1 Â°C) on average. Highs exceed 90 Â°F (32.2 Â°C) on 21 days per year, and 50 Â°F (10.0 Â°C) for only 17 days from November to March.