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Views: 6 Author: Site Editor Publish Time: 2020-12-25 Origin: Site
Many people know that the foaming agent cannot be directly made into foam by itself, but can be made into foam through a special foaming machine. These two kinds of mechanical energy play a complementary role and are the most important equipment in the foaming industry. one.
The foaming agent tends to be too hot in the process of work, so to avoid accidents, it is necessary to cool down the foaming machine in time. This kind of heating phenomenon, once the temperature is not cooled in time, will cause the generator to overheat and cause burnout. If it encounters the high temperature in summer, it will greatly increase the incidence of accidents. Therefore, if the foaming machine is working for a long time, it is necessary to do the corresponding cooling work in time, open the door of the foaming machine, do a good job of ventilation, or use electric fans, blowers, etc. to take cooling measures for it. Remove the case to strengthen its heat dissipation capacity.
If the temperature rises too high and the cooling can no longer be done in time, simply stop the work of the foaming machine immediately, and let the machine stop working for about half an hour to restore the normal temperature.
Polyurethane elastomers are typical multi-block copolymers, where the molecular chain consists of flexible chain segments with a glass transition temperature below room temperature and rigid chain segments with a glass transition temperature above room temperature. The oligomer polyol constitutes th
Cold storage spray polyurethane focuses on the overall seamless condition after spray foaming. Polyurethane has good density, insulation and cold resistance. It is basically a closed cell structure. It not only has excellent thermal insulation properties, but also has good resistance to freezing and
In order to select the shrinkage rate of large cast polyurethane elastomer products more accurately, the influences of process conditions, environmental factors and product structure on the shrinkage rate were systematically investigated, and the change curves of shrinkage rate with time were measur
On June 8, the CNMC-A25 polyurea spraying machine produced by Hightop Group was loaded in Hightop Group Industrial Park and will be exported to Italy. CNMC-A25 polyurea spraying machine is widely used in industrial maintenance, tunnel, subway, roadbed waterproofing, foam film and television props pr
On May 27th, the CNMC-E3 polyurethane spraying machine produced by Hightop Group was loaded in Wente Industrial Park and will be exported to the Italy. CNMC-E3 polyurethane spraying machine is widely used in industrial maintenance, tunnel, subway, roadbed waterproofing, foam film and television pro
On August 2, CNMC-E3 polyurethane spraying machine was loaded in the industrial park and will be exported to France soon.CNMC-E3 polyurethane spraying machine is widely used in industrial maintenance, tunnel, subway, waterproofing of road base, production of foam film and television props, pipeline
For the polyurea spraying equipment should take how to recommend1, polyurea is a set of waterproof, anticorrosion, wear-resistant, protection of multiple performance materials, but there is a certain range of tolerance, polyurea's recommended temperature range for the use of -40 ℃ -120 ℃.2、 Polyurea
Polyurea waterproof and anti-corrosion construction is generally spraying operation, in front of the small series to tell you why the reason for spraying, I believe everyone should have understood, now is about the construction process of the problem, let's take a look at it.Summary of polyurea wate
One. Corrosion resistanceIn addition to hydrogen acid, concentrated nitric acid and some strong oxidants, polyurea coatings show good stability in acid, alkali, salt, seawater, oil and other media, in the salt spray medium to do a strengthening comparative experiment, 1000 hours later, polyurea and
1. Increase efficiencyThere's a reason operators don't like manual mixing. It's a repetitive, physically demanding, and inefficient job. This includes manual heating and mixing of elements, trying to guess the correct dosage and loading the mixed paint into the spray system. It's becoming increasing