The application of PU foam in place when sealing machine

Update Time：2015-08-26 Author：admin Source：

In order to prevent the influence of moisture, dust, hazardous substances or temperature, Many parts and modules of the various end products must be to maintain a good sealing state after assembling. Traditional withhold pieces sealing process is sealed by ing strips, stickers strips, moldings parts, which costs a lot and the resiliency is poor and low sealing grade.

In recent years, with the process of industrial modernization, the successful design of technology of polyurethane foam in place solved many problems in traditional sealing areas, such as auto parts, electric power, electrical enclosures, cabinets, electronics, electrical products, various filters and various industrial housing sealing areas.

Polyurethane is made of polyisocyanate and polyether polyol or a polyester polyol, Polyamine chain extender, a crossing agent and other raw materials of the polymer. By changing the types of raw materials and various additives recipe, it changes the forms of products and their performances, and get polyurethane products from soft to hard and from foam to non-foamed polyurethane products. polyurethane materials are widly used in modern industries, and they can be used for manufacturing of plastics, rubber, fiber, rigid and flexible foams, adhesives and coatings and other new composite materials uses. Here, we briefly talk something about the application advantages of polyurethane sealing industries.

There are several advantages for PU foarm sealing technology as follows:

1.The technology of foam in place adopt CNC control, it can finish points, lines, surfaces, etc. it can finish the sealing requirements of workpieces with a variety of models and specifications, there is no need to choose different seals, with no limit of the workpiece size, angle, and the geometry change.

2. The seal strip which is produced adopting foam in place technology is with good adhesion, anti-aging ability and the surface of the strips is smooth and beautiful, there is no obvious interface on the closed-loop seal, having good elasticity, and they are all the same.

3. The seal strip which is produced adopting foam in place technology is with good dustproof, waterproof, shock absorption, noise reduction function, the protection class can be up to IP67.

4. the special equipments can spread instantly and foam instantly, and it can be installed rapidly with high production efficiency.

5. You can adjust to use different formulas and models glue to satisfy sealing requirements in different areas according to According to the requirements of the workpiece and use conditions.

6. Polyurethane Foam-sealing equipments are also applicable to other varieties of glue, such as epoxy resins, silicone foam, polyacrylic acids foam in place spreading requirements.

The earliest time to approach the PU foam in place within our country began in the early 1990s the production of electrical cabinets made by Rittal, Germany, The company took the lead to apply the foam in place sealing technology on the enclosures in electrical industries and generally recognized within the industry. It appears the of Imitation rittal cabinets. Foam in place sealing machine designed and produced by Huagong Innnovation (Dalian) Technology d on the growing needs of our customers in the domestic electrical industry, with our hard work and design, we disned and manufactured the foam sealing machine which is aproach the international quality and the perfomance and price is suitable for Domestic enterprises, it had a number of independent intellectual property rights and obtained a "high-tech enterprise" certificate issued by a national science and Technology Bureau. At present, the equipments manufactured by company cover a large market share in domestic market nad they are exported to more than 20 countries and regions, such as Central America, North America, Africa, Asia, Middle East, Europe and any other countries and regions.

These years, with the increasing capacity of independent research and development and the expansion of the size of the company, we have applied PU foam in place equipments in many industrial sealing areas such as Electrical cabinets, auto parts, three anti-lamps, explosion-proof housing, filters and other industries.

Judging from future market demands and the developed countries, industry development law, the technology to seal by stickers in the future will gradually withdraw from the sealing market, meanwhile, the technology of the application of PU foam in place sealing may have explosive growth in the next few years.