First, check the product name. Poisonous plastic steel doors and windows are typically made using low-cost lead-based stabilizers, which contain harmful lead. These products are labeled as "PVC Profiles." On the other hand, non-toxic options use safer, eco-friendly thiol organotin stabilizers like T-137, and are labeled as "VPVC Profiles." This distinction is crucial when selecting a safe and healthy option for your home.
Second, examine the packaging and label. Look for essential details such as the product name, standard of production, manufacturer’s name, address, and quality grade. A genuine product will have clear, complete information without any distortion or blurring. If the text appears faded, off-color, or missing key details, it may be from an untrustworthy supplier. Avoid purchasing from such sources to ensure quality and safety.
Third, request the product inspection certificate. After choosing a brand, always ask the seller for the official quality inspection report. If the certificate mentions the presence of lead, it confirms that the product is a PVC profile, which may not be safe. A trustworthy product should provide full transparency regarding its composition and safety standards.
Fourth, observe the color of the material. Toxic plastic steel doors and windows often have a very bright white appearance, but it feels unnatural—sometimes slightly blue or overly smooth. Over time, exposure to sulfur and sulfide in the air can cause them to turn gray or even black. In contrast, non-toxic versions have a soft, natural ivory-white color with a clean, smooth texture that remains consistent over time, even after prolonged exposure to environmental elements.
Fifth, consider the long-term usage effects. Lead-based plastic steel doors and windows can release lead dust when exposed to heat and sunlight over time, potentially causing health issues like lead poisoning. Lead can accumulate in the body, affecting the nervous system, blood, and organs. Symptoms include fatigue, headaches, and digestive problems. Non-toxic alternatives using organotin stabilizers do not pose these risks, making them a safer choice for your family and environment.
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