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Hangzhou Meilin New Materials Technology Co., Ltd. is China Custom PVC Insulation Compound Manufacturers and PVC Insulation Compound ODM/OEM Exporters, we were established in July 1994 (formerly known as Zhejiang Lin'an Hongyan Plastic Factory). The company has two factories located at 619 Linglongshan Road and 259 Xingyu Street, Lingqiu Street, Linglong Industrial Park, Lin'an District, Hangzhou City. The registered capital of the company is 75 million yuan, covering an area of over 18000 square meters and a building area of over 30000 square meters. Currently, modern industrial factories and 18 advanced automated production lines have been built. The new factory area will be produced in 2021, making it the cleanest and most beautiful professional cable material manufacturer in the entire region—agreement conditions.
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PVC insulation composite material is a composite material based on polyvinyl chloride (PVC) and processed by adding various additives and fillers. Its main characteristics are good electrical insulation performance, corrosion resistance, wear resistance and relatively low cost. Due to these advantages, PVC insulation composite materials are widely used in the construction industry.
Applications in the construction industry include:
Cable insulation: PVC insulation composite materials are often used in the insulation layer of cables and wires to provide electrical insulation protection and prevent short circuits and electric shocks.
Pipe sheath: In the water supply and drainage system of the building, PVC insulation composite materials are used to make the outer sheath of the protective pipe to resist chemical corrosion and mechanical damage.
Cable troughs and pipes: Cable troughs and pipes used in cable management systems to protect cables and arrange them neatly.
Building curtain wall: PVC composite materials are used as sealing materials in the curtain wall system of the building to provide good air tightness and water tightness.
Roof waterproofing layer: As part of the roof waterproofing system, PVC composite materials can be used as a waterproof membrane to prevent moisture penetration.
Wall and floor coverings: In indoor environments, PVC composites can be used for floor and wall coverings, which are wear-resistant and easy to clean.
Sound and heat insulation materials: PVC composites can also be used as sound and heat insulation materials to improve the comfort and energy efficiency of buildings.
The performance of PVC insulation composites in different building environments can be significantly affected by environmental factors. The following are the performance characteristics of PVC insulation composite materials in humid environments and high temperature environments:
1. Humid environment
Water resistance: PVC insulation composite material has good water resistance and can maintain stable performance in humid environments. However, prolonged exposure to moisture can cause certain types of PVC materials to age or swell.
Anti-corrosion: The anti-corrosion properties of PVC make it less susceptible to chemical attack in humid environments, so it is often used for underground pipes and exterior wall protection.
Mildew resistance: Although PVC itself is not susceptible to mildew, mildew may occur in humid environments if dirt or organic matter accumulates on the surface of the material. Therefore, regular cleaning and maintenance are necessary in these environments.
2. High temperature environment
Thermal stability: PVC has poor stability in high temperature environments. Its melting point is approximately 75-105°C, and temperatures outside this range may cause the material to deform or soften. At high temperatures, PVC insulation materials may experience aging, fading and a decrease in mechanical properties.
Thermal Expansion: PVC materials undergo thermal expansion at high temperatures, which may affect their dimensional stability in certain applications. This needs to be taken into consideration when designing to ensure that the material retains the appropriate size and shape at high temperatures.
Fire risk: In high temperature environments, the fire resistance of PVC is more important. Although flame-retardant treated PVC can resist flames to a certain extent, high-temperature environments may exacerbate the risk of combustion. Selecting materials with a high fire resistance rating or taking additional fire protection measures is necessary.