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無機保溫砂漿的選擇我給你幾點建議

时间:2016-01-06     作者:華東公司【原创】   阅读

目前無機保溫砂漿主要是玻化微珠保溫砂漿和膨脹珍珠巖保溫砂漿,二者區別在于:膨脹珍珠巖的材性顆粒大、開口的,吸水率高,導熱系數大于玻化微珠,并且吸水后導熱系數是不可逆的。玻化微珠顆粒小,閉口的,基本不吸水。

Inorganic insulation mortar at present is mainly vitrified beads insulation mortar and expanded perlite insulation mortar, the difference is: the expanded perlite particles on the big, open, bibulous rate is high, the coefficient of thermal conductivity is greater than the vitrified beads, and after water absorption coefficient of thermal conductivity is not reversible. Vitrified microsphere particles small, silent, basic not bibulous.

無機保溫砂漿的選擇:

The choice of inorganic insulation mortar:

1、如選用膨脹珍珠巖作為外墻保溫砂漿中作主要絕熱材料應該密切注意膨脹珍珠巖的吸水率。由于膨脹珍珠巖產品是開口型顆粒,因此它的吸水率達到200%-300%容易造成砂漿上墻以后開裂脫落空鼓,以及滲水,膨脹珍珠巖的導熱系數在吸水后不可逆的,這就破壞了它的隔熱保溫功能。那么膨脹珍珠巖作為絕熱材料,必須是憎水型的,也就是通過燒制出來以后增加一個憎水劑噴涂的工藝。

1, if choose expanded perlite as the main insulation of exterior wall thermal insulation mortar should pay close attention to the expanded perlite bibulous rate. Since expanded perlite products is open rack particles, so its water absorption rate of 200% - 300% likely to cause cracking mortar on the wall after fall off empty drum, and water seepage, the coefficient of thermal conductivity of expanded perlite irreversible after absorbing water, it undermines its insulation heat preservation function. Then expanded perlite as insulation materials, must be hydrophobic type, namely by fire after adding a hate water spraying process.

2、如采用珠化微珠作為絕熱材料的,除了水泥、膠粉短切纖維,增稠劑,粉煤灰和石膏外,應該在組份中添加一定比例的粗顆粒。

2, if use pearl beads as heat insulation material, in addition to cement, powder, short cut fiber, thickening agent, fly ash and gypsum, a percentage of coarse particle should be added in the components。

3、在無機保溫材料中使用石膏作為組分的,石膏的添加比例要嚴格控制,它遇水后線性伸縮比例很高,容易造成開裂等問題,因此也要要添加憎水劑。

3, use gypsum as a component in the inorganic heat preservation material, gypsum shall strictly control the adding proportion of it in the water after linear expansion ratio is high, easy to cause the problem such as craze, so also want to add a hate water。

4、干密度越大導熱系數越大,反之越小。要保溫材料的強度(抗壓強度,拉伸粘合強度)和抗風壓必須要有足夠的膠凝材料以及材料的顆粒級配,全部是細粉料的組合,容易開裂

4, the greater the dry density, the greater the coefficient of thermal conductivity, the smaller the vice. To the strength of the insulation material (compressive strength, tensile bond strength), and resistance to wind pressure must have enough gelling material and grain size distribution, all is the combination of fine powder, easy to crack


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