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Several questions about machine-sprayed gypsum mortar

By |2023-05-29T07:13:03+00:00May 29th, 2023|Industry knowledge|

1. What are the advantages and disadvantages of cement and gypsum as machine-sprayed materials? Both cement and gypsum can be used as machine spraying materials. From the point of view of performance, the strength of gypsum matches the general base wall, and there will be no problems of cracking and hollowing of cement mortar. From

How to control the properties of semi-aqueous plastering gypsum?

By |2023-05-25T07:16:04+00:00May 25th, 2023|Industry News|

How to control the properties of semi-aqueous plastering gypsum? In general, the hemihydrate gypsum produced is often a mixture of hemihydrate gypsum and type III anhydrite. Type III anhydrous gypsum, also known as dehydrated hemihydrate gypsum, has the same crystal phase structure as the original hemihydrate gypsum. Type III anhydrous gypsum will quickly hydrate into

What are the factors affecting the performance of plastering gypsum?

By |2023-05-23T07:11:14+00:00May 23rd, 2023|Industry knowledge|

What are the factors affecting the performance of plastering gypsum? (1) The most suitable amount of hemihydrate gypsum. (2) The basic components of plaster of paris. (3) It is most suitable for the grinding and firing process of producing this plaster of paris. (4) The quality and quantity of the additions. (5) Stirring type, adjustment

Product characteristics and construction plan of bonding mortar

By |2023-05-18T06:51:35+00:00May 18th, 2023|Industry knowledge|

Bonding mortar is a cement-based prefabricated dry mix. Industrial product designed for bonding insulation boards to base walls. Has excellent adhesion. Good enhancement of sagging resistance, water retention, water resistance, aging resistance and handling. The construction is simple and non-toxic pollution. It is used for the bonding of polystyrene board, rock wool board, extruded plastic

In which fields can hydroxyethyl cellulose (HEC) be used as a thickener

By |2023-05-17T07:02:25+00:00May 17th, 2023|Industry knowledge|

Hydroxyethyl cellulose (HEC) is a non-ionic cellulose ether made from natural polymer material cellulose through a series of chemical processes. It is an odorless, tasteless, non-toxic white powder or granule. It can be dissolved in cold water to form a transparent viscous solution. Dissolution is not affected by pH. It has thickening, binding, dispersing, emulsifying,

The Effect of HPMC on the Properties of Concrete Material

By |2023-05-16T02:40:53+00:00May 16th, 2023|Industry knowledge|

Hydroxypropyl methylcellulose (HPMC for short) has excellent thickening properties and can be used as an excellent concrete anti-dispersion agent. In recent years, with the continuous development of external wall insulation technology and the continuous progress of cellulose production technology . As well as the excellent characteristics of HPMC itself, HPMC has been widely used in

The Effect of Hydroxypropyl Methyl Cellulose(HPMC) on the Setting Time of Concrete

By |2023-05-12T02:33:10+00:00May 12th, 2023|Industry knowledge|

The setting time of concrete is mainly related to the setting time of cement, and the influence of aggregate is not great. Therefore, the effect of HPMC on the setting time of underwater non-dispersible concrete mixture can be studied through the setting time of mortar. Because the setting time of mortar is affected by water.

Several times to pay attention to when using tile adhesive

By |2023-05-11T06:43:06+00:00May 11th, 2023|Industry knowledge|

How long is the shelf life of tile adhesive? In a cool and dry environment, the shelf life of unopened tile adhesive is 1 year. Cemented tiles indicate that the active ingredients have begun to react and should be discarded. Tile adhesive mixing time? It should be stirred with a low-speed mixer (500r/min). Add the

Five major quality problems of wet-mixed mortar and their solutions(2)

By |2023-05-10T06:43:56+00:00May 10th, 2023|Industry knowledge|

4 Mortar hollowing problem 1. Constructive hollowing The roughness of the interface agent is insufficient or the plaster layer is loosened due to rubbing and pressing before the mortar is collected. Or the mortar itself has insufficient bonding strength. Cause peeling between the mortar layer and the interface agent layer. 2. Shrinkage empty drum The

Five major quality problems of wet-mixed mortar and their solutions(1)

By |2023-05-10T02:36:57+00:00May 9th, 2023|Industry News|

1. The drying time of plastering mortar on the wall The drying time on the wall is mainly related to four aspects: the degree of water absorption of the wall, the water retention of the mortar, the setting time of the mortar, and the ambient humidity. 1. The wall humidity is normal and the air

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