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What is white glue production line? | JCT Machinery

July 03, 2023

A white glue production line typically involves several stages to manufacture white glue or commonly known as PVA (polyvinyl acetate) glue. Here is a general overview of the process:

Raw Material Preparation: The primary raw material for white glue is polyvinyl acetate, which comes in the form of small solid beads or powder. The raw material is received and stored in a designated area.

Mixing and Dissolving: The polyvinyl acetate beads or powder are mixed with water in a large tank or vessel. The mixture is agitated to dissolve the polyvinyl acetate particles and create a uniform solution.

Heating and Cooking: The mixture is transferred to a cooking vessel or reactor, where it is heated to a specific temperature. This heating process helps to initiate polymerization, which converts the polyvinyl acetate into a stable adhesive.

Additives and Modifiers: Various additives and modifiers can be introduced to enhance the performance of the glue. These may include thickeners, plasticizers, preservatives, pigments (for white glue), and other chemicals. The additives are carefully measured and added to the cooking vessel.

Cooling and Stabilization: After the desired cooking time, the glue mixture is cooled down to room temperature. During this cooling process, the glue undergoes further stabilization to ensure its adhesive properties.

Filtration and Homogenization: The cooled glue solution is filtered to remove any impurities or undissolved particles. It is then homogenized to achieve a consistent viscosity and texture.

Packaging: The glue is pumped or transferred to a packaging station, where it is filled into appropriate containers such as bottles, tubes, or larger containers like drums or tanks. The containers are sealed and labeled.

Quality Control: Throughout the production process, quality control checks are performed to ensure that the glue meets the required specifications. These checks may include viscosity testing, adhesive strength testing, pH testing, and other relevant parameters.

Packaging and Shipment: The packaged glue containers are packed into boxes or pallets for storage or shipment. They are labeled with relevant information such as batch number, production date, and product details.

It's important to note that specific details and machinery used in a white glue production line may vary depending on the scale of production, the manufacturer's processes, and the desired product specifications.

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