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        網站公告:濟南立博機械設備有限公司主要經營新型建材設備有:墻板機,墻板設備,復合墻板設備,輕質墻板設備,輕質墻板生產線等

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        水泥聚苯保溫板原材料及生產工藝

        文章出處:立博機械設備集團發表時間:2015-08-27 11:36【

        1、水泥聚苯保溫板材料

        1.1輕骨料。顆粒狀聚苯乙烯泡沫塑料,系生產聚苯乙烯泡沫塑料下腳料及回收的廢舊包裝經破碎制成,松散密度9.5~18kg/m3,粒徑5~15mm。

        1.2水泥。525號和425號普通硅酸鹽水泥,其質量應符合GB175-85。

        1.3EC起泡劑。使水泥漿含有豐富的氣泡,降低板材容重,提高熱工性能。

        1.4穩泡劑。能穩定水泥聚苯漿體中的氣泡,提高水泥懸浮力,防止泡沫顆粒上浮,增強聚苯乙烯顆粒與水泥的粘結力。

        2、水泥聚苯保溫板生產工藝

        廢舊聚苯乙烯泡沫塑料或生產聚苯乙烯泡沫塑料的下腳料,經破碎機破碎成泡沫塑料顆粒,風送到高位料倉貯存,生產時通過計量放入攪拌機內做為輕骨料。然后加入定量的水泥、水、EC起泡劑、穩泡劑,與攪拌機內的輕質骨料拌合,達到具有良好的粘聚性時,注入模中成型,經養護即成水泥聚苯保溫板。

        墻體保溫板規格為長300~900mm,寬300~600mm,厚50~90mm。

        屋面保溫板規格為長900mm,寬600mm,厚90~140mm。

        3、水泥聚苯保溫板的性能

        3.1基本性能

        (1)表觀密度:280~330kg/m3

        (2)抗壓強度:>0.3Mpa

        (3)抗彎強度:>0.15Mpa

        (4)導熱系數:<0.09W/m.K

        (5)吸水率:<30%

        (6)軟化系數:>0.9

        (7)抗凍性(凍融循環):>25次

        (8)自然含水率:<15%

        3.2其他特性

        水泥聚苯板具有較好的韌性,不易斷裂,破損率很小。該板屬難燃材料,火焰噴槍燃料試驗,火焰溫度1150±10℃,板材不燃燒,不發煙,不蔓延,不流淌,背面溫度達到200℃時,5cm厚板為34min,9cm厚板達4h27min。水泥聚苯板復合墻體,玻纖布增強后整體強度好,用10kg砂袋撞擊50次,在落差50cm條件下,無任何損壞現象。墻面可釘,上掛15kg重物無損壞,釘孔不擴大。水泥聚苯板復合墻熱工性能好,24cm厚磚墻復合5cm厚水泥聚苯板優于62em厚磚墻。

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