PRECAUTIONS WHEN THE HIGH-PRESSURE FOAMING MACHINE PRODUCES FOAM

Cold storage insulation we usually use polyurethane sandwich double-sided color steel cold storage insulation board or directly spray polyurethane facade on the wall for insulation. In the southeast of my country, polyurethane sandwich double-sided color steel cold storage insulation boards are most

(1) It does not contain a catalyst, and the curing speed is very fast. It can be sprayed on any kind of curved, inclined and vertical outermost layer without sagging, and it solidifies within 5 seconds. The glue can reach walking strength within 1 minute;　　 (2) It is not very sensitive to humidity a

In recent years, polyurethane resins have made their composites stand out due to their good toughness, fast curing speed, and no styrene smoke. With people's mastery of polyurethane molding technology and progress in controlling its reactivity to extend its service life, polyurethane has long entere

1. What is polyurethane spraying?Polyurethane spraying technology is based on isocyanate and polyether as the main raw materials. Under the action of various additives such as blowing agent, catalyst, flame retardant, etc., through the use of special network equipment and mixing, the high-pressure s

The electric super-capacity sprayer is popular with more and more vegetable farmers because of its convenient use and high work efficiency. It has become the main tool for pest control in the greenhouse. However, electric sprayers are relatively "precious". Once they are improperly operated and main

Reason one why the cold storage uses spray polyurethane to keep cold:　　 Cold storage polyurethane spraying construction plan　　 Cold storage insulation We usually use polyurethane sandwich double-sided color steel cold storage insulation board or spray polyurethane exterior wall directly on the wall

At present, the sprayers sold in the rural market in my country are basically small-sized. Among them, the manual knapsack plastic sprayer (hereinafter referred to as the sprayer) is currently the largest and most common pesticide application device, accounting for 80% of the annual sales of plant p

At present, polyurethane foaming machines are widely used, which has also led to the continuous development of foaming machines in the industry. Nowadays, there are many types of polyurethane equipment on the market, but the price and quality of each polyurethane foaming machine manufacturer are dif

Before spraying two kinds of pesticides that cannot or should not be mixed, the sprayer must be cleaned, otherwise, it will not only reduce the efficacy of the pesticide, but also easily produce pesticide damage and cause undue losses. The specific cleaning method is: Plastic bucket sprayerPour 5% h

Because machinery and equipment are indispensable in our lives now, why do we say that? Because the times are advancing, the development of many of our industries is very impressive, and the development of many industries is inseparable from machinery and equipment, so many All of the machinery and