ʻO ka papa silica-calcium, ka mea i ʻike ʻia ʻo gypsum composite board, he mea nui-element, maʻamau i haku ʻia me ka pauka gypsum maoli, sima keʻokeʻo, glue, a me ke aniani fiber.Loaʻa i ka papa calcium silicate nā waiwai o ke ahi, ka moisture-proof, ke kani kani a me ka wela wela.Hiki iā ia ke huki w...
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