Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone CorpfiledCriticalNippon Telegraph and Telephone Corp
Priority to JP12730780ApriorityCriticalpatent/JPS5751472A/en
Publication of JPS5751472ApublicationCriticalpatent/JPS5751472A/en
PURPOSE: To obtain a plastic composite material excellent for mass production of types having a longer printing life, by composing of a plastic, particles of a metal oxide or metal carbide in a specified amount, and inorganic fibers in a specified amount.
CONSTITUTION: Into a plastic such as a phenol resin or the like are incorporated particles having a particle size of 5μm or less of a metal oxide (for example, alumina) or a metal carbide (for example, silicon carbide) in an amount of 10% or more by weight and inorganic fibers in an amount of 10% or more by weight.