​Operation matters of polyurethane foaming machine

- Oct 24, 2020-

Polyurethane foaming machine is a special equipment for polyurethane foam injection foaming. As long as the performance indicators of the polyurethane component raw materials (isocyanate component and polyether polyol component) meet the requirements of the formula. This equipment allows you to produce uniform and well-formed foam products. It consists of polyether polyols and polyisocyanates in the presence of blowing agents, catalysts, emulsifiers and other chemical additives, which chemically foam to form foam.


Operation matters of polyurethane foaming machine:

1. If the polyurethane foaming machine has foam flame retardant requirements, the polyurethane foaming machine can use other flame retardants. The usual amount of flame retardant is 15-20% of the weight of the white material. Add flame retardant to polyurethane. Material A must be stirred uniformly before foaming.


2. The polyurethane foaming machine accurately weighs polyurethane A and B combined materials at the same time during manual foaming operation. Pour into a container at the same time. Use a stirrer to stir at 2000pm for 8-10 seconds, and then pour into the mold. The foam release time depends on product requirements, foam thickness, etc.


3. Precautions for the operation of the polyurethane foaming machine The combined materials of polyurethane A and B should wear protective glasses, work clothes and work caps, rubber gloves, and keep the working environment well ventilated. It must be good, clean and hygienic. At higher ambient temperatures, the foaming agent of the polyurethane A material will partially vaporize and generate pressure. Therefore, before opening the cover, the exhaust cover must be opened to exhaust the gas and release the pressure.


4. When the skin touches the adhesive polyurethane A material, please wash it with soap and water. When the polyurethane foaming agent manipulates the polyurethane B material (irritating), do not inhale its vapor. In case of contact with skin or eyes, please wipe with medical cotton cloth immediately, rinse with plenty of water for 15 minutes, and then wash with soap or alcohol.