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Seven requirements for making rock wool composite board glue

点击次数:  更新时间:18/08/03 18:05:08 来源:www.qmygw.com关闭
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Rock wool composite board glue has the advantages of high bonding strength, strong water resistance, good heat resistance, high chemical stability and no corrosion by bacteria and insects。 The disadvantage is that the color is darker and the glue layer is brittle。 Because rock wool composite board glue has the above characteristics, this glue is suitable for manufacturing various wood-based boards used indoors and outdoors and various wood products with extremely high bonding strength。 In the preparation of rock wool composite board glue, we need to use some fillers to increase the characteristics of rock wool glue。 the influence of different fillers on the adhesive is different。 the amount of filler used also has a great influence on the adhesive。 different combinations of various fillers will produce different effects。 so what are the requirements for the selection of fillers for rock wool composite board glue?
1。 which fillers should be selected when making rock wool composite board glue?
( 1 ) fillers for improving impact resistance include: Asbestos fiber, glass fiber, mica powder, aluminum powder。
( 2 ) fillers to improve its hardness and compressive properties include metals and their oxides such as quartz powder, chromium oxide powder, porcelain powder, iron powder, cement, boron carbide, etc.
( 3 ) fillers for improving the heat resistance of rock wool glue include asbestos powder, silica gel powder, phenolic resin, porcelain powder and titanium dioxide powder。
( 4 ) alumina powder, porcelain powder and titanium dioxide are added to increase adhesion.
( 5 ) fillers for increasing thermal conductivity include aluminum powder, copper powder, iron powder, and graphite powder。
( 6 ) fillers for increasing the conductivity of rock wool resin adhesive include: Silver powder。
( 7 ) fillers for increasing lubricity include graphite powder, kaolin powder, and aluminum disulfide powder.
2. rock wool composite board glue shall meet the following requirements when selecting fillers:
( 1 ) should meet the special requirements of adhesive, such as conductivity, heat resistance, etc。
( 2 ) there is no chemical reaction with other components in the amount of rock wool glue.
( 3 ) it is easy to respect and has good lubricity with adhesive.
( 4 ) it is not easy to absorb moisture and change without giving up moisture, grease and harmful gases。
( 5 ) ensure that the rock wool resin adhesive prepared is safe and nontoxic.
( 6 ) it has a certain physical state, such as uniform particle size of powdery filler, etc.
( 7 ) low cost, wide source and convenient processing.
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