Views: 10 Author: Site Editor Publish Time: 2021-07-02 Origin: Site
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 entered the field of composite materials dominated by unsaturated polyester and vinyl ester resins. In the past, polyurethane composite materials were mainly automotive interior and exterior parts produced by SRIM, such as pickup trunks, car floors, luggage racks, and inner door panels. (Polyurethane foam). However, in recent years, polyurethane composite materials have developed technologies such as pultrusion, winding, vacuum filling and long fiber spraying. Mainly use non-foamed polyurethane composite materials to make window frames, bathtubs, telephone poles, and large parts for trucks and off-road vehicles.
Polyurethane pultrusion molding characteristics: Polyurethane pultrusion molding generally has low viscosity, medium to high reactivity, good impact strength and toughness, and short beam shear performance.
Compared with other materials, polyurethane pultrusion can produce many benefits. It can increase the content of glass fiber in the product and greatly improve the strength of the product. For example, the strength of the window frame obtained by pultrusion of glass fiber and polyurethane resin is 8 times higher than that of polyvinyl chloride window frame, and the conductivity is 40 times lower than that of aluminum, so its heat insulation performance is better. At the same time, because polyurethane pultruded window frames are not too brittle, they will not crack and are durable.
High-performance polyurethane/glass fiber composite material is a kind of high-strength, high-modulus, lightweight polymer composite material produced by continuous pultrusion process with high-hardness polyurethane elastomer as the matrix material and glass fiber as the reinforcing material.
Compared with traditional materials, polyurethane pultrusion technology products not only have higher strength and better heat insulation effect, but also lighter and more environmentally friendly. Its application fields are very wide, from the original gorgeous bathtub, to surfing and snowboarding, to today's innovative applications such as window frames and container floors. Polyurethane composite materials have been integrated into all aspects of our daily lives.
CNMC-E3 polyurethane foam spraying machine shipped to USA.Voltage: 110V, equipped with 1 gun, 1 lifting pump, 1 Graco pipe, 1 round nozzle of gun, 2 meters of air hose, 1 tool box.
All family members:According to the provisions of the national statutory holidays, and taking into account the actual situation of the company, the following arrangements are made for the May Day holiday in 2023: I. Saturday, April 29 (Saturday) - Wednesday, May 3 (Wednesday) holiday transfer, a tot
Can you believe it? After spraying polyurea in the bamboo basket, the bamboo basket can be used to fetch water to make it drip-proof; after spraying polyurea on the outside of the watermelon, no damage can be seen even if it is dropped from the 15th floor.That's right, polyurea, the "king of coating
On October 22, the CNMC-E3 polyurethane spraying machine produced by Hightop was loaded in the Hightop Industrial Park and will be exported to Germany soon. CNMC-E3 polyurethane spraying machine is widely used in industrial maintenance, tunnel, subway, roadbed waterproofing, foam film and television
On October 22, the CNMC-E3 polyurethane spraying machine produced by Hightop was loaded in the Hightop Industrial Park and will be exported to Germany soon. CNMC-E3 polyurethane spraying machine is widely used in industrial maintenance, tunnel, subway, roadbed waterproofing, foam film and television
On October 16, Liu Xiaolin, Secretary of the Party Working Committee and Director of the Management Committee of Jining Economic Development Zone, Xu Gang, member of the Party Working Committee and Deputy Director of the Management Committee, and other leaders visited Gentop workshop to inspect and
All employees:According to the provisions of the national statutory holidays and the actual situation of the company, the following arrangements are made for the National Day holiday: 1. From October 1st (Saturday) to October 7th (next Friday), there will be a total of 7 days off;All day on October
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On June 17, 2022, a group of 8 people including Jiemian News reporter Cheng, Yuguo reporter He,ebrun cross-border chief editor, Alibaba public relations manager Wang and other 8 people came to Hightop Group to make publicity reports and conducted a report on China's import and export forms. In-depth
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