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Material observation: Observe the color of plastic steel profiles, good plastic steel doors and windows color should be uniform, consistent, no color difference. The surface of high-quality plastic steel doors and windows should be smooth and delicate, without defects such as bubbles, cracks, and impurities. Check the wall thickness of the profile, usually the wall […]

Observe the color and appearance: Good UPVC profiles are uniform in color, usually white with bluish tint, rather than yellow. At the same time, the surface should be smooth and free of defects such as bubbles, cracks, scratches, and impurities. Measure wall thickness: If conditions permit, you can use a vernier caliper to measure the […]

UPVC profile quality: UPVC profile is the decisive factor in the quality and grade of plastic steel doors and windows. A good UPVC profile should have a multi-cavity design, thick walls, and a formula that contains anti-aging and anti-UV additives. From the appearance, the color of high-quality UPVC profiles should be white with bluish color. […]

Choose big brands: Big brands usually have more mature production processes and stricter quality control systems, which can ensure the quality of UPVC doors and windows. At the same time, the after-sales services of big brands are also more complete and can provide you with a better user experience. Observe profile quality: UPVC profiles are […]

UPVC, the full name of Unplasticized Polyvinyl Chloride, refers to unplasticized polyvinyl chloride, which is hard PVC (polyvinyl chloride). In the field of building materials, UPVC materials have been widely used due to their excellent properties, especially in the manufacturing of doors and windows. Excellent thermal insulation performance: UPVC material itself has low thermal conductivity, […]

First of all, UPVC (unplasticized polyvinyl chloride) material itself has good waterproof properties, which enables UPVC doors and windows to ensure the sealing performance between door and window frames and window sashes during the manufacturing process. This material is not easily eroded by moisture, ensuring the watertightness of doors and windows. Secondly, the design of […]

First of all, UPVC doors and windows have good wind pressure resistance and can maintain their stability and functionality under wind pressure without causing damage or dysfunction. This allows UPVC doors and windows to maintain their functional and appearance integrity even in adverse weather conditions. Secondly, UPVC doors and windows have excellent water tightness and […]

Window frame: This is the main part of UPVC doors and windows. It uses UPVC (polyvinyl chloride) as the main raw material, combined with auxiliary materials such as stabilizers, colorants, fillers, and ultraviolet absorbers, and is extruded into molded materials. The strength and stability of the window frame are very good, and it has excellent […]

First of all, it has become one of the preferred raw materials for system doors and windows with its advantages of sealing, heat insulation, fire resistance and oxidation resistance. UPVC profiles have good sealing performance and a certain degree of elasticity, which means that they will not deform, crack or discolor during use. Secondly, UPVC […]