Insulation spiral steel pipe manufacturing process

Insulation spiral pipe manufacturing process Pre-insulated spiral pipe manufacturers Polyurethane buried pipe insulation is a good insulation properties, plus safe and reliable, low-cost direct buried prefabricated insulation pipe.
Buried insulation pipe not only has traditional trench and overhead laying pipe unmatched advanced technology, practical performance, but also has significant social and economic benefits, but also a powerful measure for heating energy.
Buried pipe insulation prefabricated buried pipe technology, marking the development of China's heating pipe technology has entered a new starting point. With the world's energy reduction and growing demand, energy conservation, emission reduction and environmental protection have become the global trends. National and local governments also strongly promote the development, application and industrialization of energy-saving, emission reduction and environmental protection products. The construction industry Polyurethane foam insulation material is an important branch of the polyurethane industry, which is characterized by a multi-purpose material, at the same time with insulation, waterproof and other functions. These products have been in use in the European construction industry for more than 40 years since the 1960s. Some countries have also passed the legislation to make polyurethane as a thermal insulation material for the construction industry. In recent years, with the rapid development of building energy-saving market in our country, polyurethane rigid foam insulation products have been widely used in the field of building insulation and waterproof, and have become one of the thermal insulation and energy-saving products in the leading market.
As a building integrated waterproof and waterproof materials, polyurethane hard foam broke a single function of traditional building materials - waterproof insulation, insulation is not waterproof, waterproof layer insulation layer insulation loss immediately lost. Compared with other single-function thermal insulation or waterproof material, polyurethane foam has obvious advantages:
1. Polyurethane foam with a multi-purpose function, at the same time with insulation, waterproof, noise, vibration absorption and many other features.
2. Insulation performance is excellent, is all the building materials in the domestic low thermal conductivity (≤ 0.024), high thermal insulation material, the thermal conductivity of only EPS foam polystyrene board half.
3. Polyurethane rigid foam continuous dense skin and close to 100% of the high-strength interconnected wall closed cell, has the ideal impermeability. The use of spray construction to achieve waterproof seamless continuous insulation layer, forming a seamless roof and the overall wall insulation shell, excellent waterproof impermeability.
4. Super self-adhesive properties (without any intermediate adhesive material), and the roof and the external walls of a strong bond, anti-wind exposures and anti-negative wind pressure performance is good; overall spraying construction, completely eliminate the "hot" and "cold bridge" ; Flexible gradient technology can effectively prevent the waterproof layer cracking; mechanized operations, automatic ingredients, uniform quality, fast construction, short cycle.
5. Chemical stability, long service life, does not constitute a pollution of the surrounding environment; from the flame self-extinguishing, and combustion does not charring only charcoal layer size and shape is basically the same, can effectively cut off the air entering, to prevent the fire Spread, fire safety performance is good.

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