2012年12月25日星期二

plastic raw materials defined


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1. Rovings
    Pieced together in parallel by multi-strand filament rovings (multi-strand filament rovings) or directly from a drawn multi-filaments cl uster from the roving
    (Single strand roving). Flatten with no inter-twisting.amusement electric train
2. Woven roving
    By roving yarn a cloth.
3 E-glass fiber
    E-glass fibers
    A low content of alkali metal oxide glass fibers. Alkali metal oxide content of domestic regulations are not more than 0.5% abroad is generally about 1%.
Unsaturated polyester.
    Polymer chains having a carbon - carbon unsaturated bond can be crosslinked with an unsaturated monomer or a prepolymer of a class of polyesters.
Alkali glass fiber
    The alkali metal oxide content of 11.5% XXXXXXXXXXXXXXXXXX12.5% ??of glass fibers.
6. Asbestos
    The fibrous magnesium, calcium, sodium, iron silicate minerals general.
7 graphite fiber
  &nb sp; Molecular structure has been graphitized carbon fibers, the carbon content is higher than 99%
8. Crosslinker
    Promotion or substances to adjust the covalent bond or an ionic bond formation between the polymer molecular chain.
9. Organic fibers
    A fiber made of organic polymer, or the use of natural polymers and fibers made by chemical treatment. Viscose fibers, nylon, polyester and aramid.
10. Photoinitiator
    Under UV light, it can rapidly produce large number of free-radical, so that certain resins crosslinked into the substance does not melt the insoluble state.

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