Efficient Set Retarder for Gypsum Spray Plaster

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Gypsum retarder is a chemical agent that can delay the solidification of gypsum. It is widely used in medical, construction, metallurgy and other fields. In these fields, the role of gypsum retarder is indispensable. So, how to use gypsum retarder? This article will introduce the use and precautions of gypsum retarder in detail.

1. The role of gypsum retarder

Before understanding the use of gypsum retarder, you first need to understand the role of gypsum retarder. Gypsum is a commonly used building material, but it has a big problem that it solidifies very quickly, which makes it difficult to control. Using gypsum retarder can reduce the solidification speed of gypsum, thereby extending the operation time and improving work efficiency. At the same time, gypsum retarder can also enhance the hardness and strength of gypsum, improving its quality, which is very important in the fields of construction, medical treatment, etc.

2. How to use gypsum retarder

a. Choose the right gypsum retarder

It is very important to choose the right gypsum retarder. Different gypsum retarders will have different performances in different situations. Therefore, when choosing a gypsum retarder, you should choose the right product based on the specific construction conditions and material characteristics. In addition, pay attention to the quality of the gypsum retarder and choose a product with high purity and high efficiency.

b. Accurately calculate dosage

The dosage of gypsum retarder needs to be accurately calculated, neither too little nor too much. Too little will affect the effect, while too much will damage the quality of the gypsum. Generally speaking, the dosage of gypsum retarder is about 1%-2% of the weight of gypsum. When preparing gypsum, the dosage can be adjusted as needed.

c. Mix well

Stirring is a key step in the use of gypsum retarder. Before using gypsum retarder, stir the gypsum evenly, then add the gypsum retarder and mix it thoroughly. This ensures that the gypsum retarder is evenly distributed throughout the gypsum, thus achieving a better effect.

d. Construction must be rapid

The use time of gypsum retarder is very limited. Once mixed, it must be used as soon as possible, otherwise it will lose its effect. Therefore, it is necessary to act quickly during construction to ensure that the required work can be completed in a suitable time. Especially in a high temperature environment, the use time of gypsum retarder is even shorter, and faster construction is required.

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e. Keep Moisturizing

Gypsum needs to absorb water during the solidification process and completes the solidification under the action of water. Therefore, when using gypsum retarder, you must pay attention to moisturizing in order to maintain sufficient moisture and promote the hardening of the gypsum. Generally speaking, you can cover the surface of the gypsum with a wet cotton cloth or spray water with water.

f. Check quality

After using the gypsum retarder, be sure to check the quality of the gypsum in time to ensure that it reaches the required hardness and strength. If any problems are found, they should be dealt with in time to avoid affecting the project.

3. Precautions for gypsum retarder

It must be used strictly according to the product instructions and excessive use is strictly prohibited&#;

Gypsum retarders generally cannot be used together with other chemicals, otherwise adverse reactions may occur and affect product performance&#;

When mixing gypsum retarder and water, pour the water into the bucket first, then gradually add the appropriate amount of gypsum retarder to avoid lumps&#;

The mixed plaster should be used as soon as possible to prevent it from losing its effectiveness&#;

When using gypsum retarders, attention should be paid to moisturizing to avoid excessive drying of the gypsum surface, which will affect the quality of the gypsum&#;

When constructing outdoors, pay attention to the temperature and wind speed to avoid sun exposure and wind drying&#;

Wear gloves and a mask when using gypsum retarder and pay attention to safety&#;

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