Effetre glass (, Italian ''F3'', abbreviated form of ''fratelli tre'', "three brothers"), once known as Moretti glass, is a kind of glass used in
lampworking. It is considered a medium-soft glass and is popular because of its wide range of colors and the ease with which it is molded and shaped when hot. Genuine Effetre glass is made in Italy by the Effetre Murano S.r.l, on the island of
Murano. It has a working temperature of and a
coefficient of expansion value of 104.
Effetre is a variety of
soda-lime glass
Soda lime is a mixture of NaOH and CaO chemicals, used in granular form in closed breathing environments, such as general anaesthesia, submarines, rebreathers and recompression chambers, to remove carbon dioxide from breathing gases to prevent ...
.
References
External links
Effetre home page
Glass production
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