Vulcanized fibre or red fibre is a laminated plastic composed of only cellulose.
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11 Facts About Vulcanized fibre
2.
The newer wood-laminating grade of vulcanized fibre is used to strengthen wood laminations used in skis, skateboards, support beams and as a sub-laminate under thin wood veneers.
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3.
Vulcanized fibre has a long history in engineering, from the Victorian period onward.
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4.
Until the development of modern plastics from the 1930s, Vulcanized fibre was the standard electrical insulating material for many small components.
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5.
British patent for vulcanized fibre was obtained in 1859 by the Englishman Thomas Taylor.
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Victorian period6.
Vulcanized fibre gained the patent after the introduction of celluloid in 1856 and before the invention of viscose rayon in 1894.
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7.
The unsized saturating cotton fibre paper prepared for vulcanized fibre would be passed through a vat containing a zinc chloride solution.
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8.
The Vulcanized fibre swelling explains why paper filters cannot be used to filter zinc chloride solutions.
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9.
Once the vulcanized fibre is leached free of the zinc chloride, it is dried to 5 to 6 percent moisture, and pressed or calendered to flatness.
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10.
The density of the finished vulcanized fibre is 2 to 3 times greater than the paper from which it starts.
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11.
Electrical properties exhibited by vulcanized fibre are high insulating value, and arc and track resistance with service temperature of up to 110 to 120°C.
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