composição de fibra de vidro
A glass fiber composition has 52 to 62 percent by weight SiO2, 0 to 2 percent by weight NaO2O, 16 to 25 percent by weight CaO, 8 to 16 percent by weight Al2O3, 0.05 to 0.80 percent by weight Fe2O3, 0 to 2 percent by weight K2, 1 to 5 percent by weight MgO, 0 to 5 percent by weight B2O3, to 0 to 2 pe...
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