Common test substances for EU POPs in water pipes
Date：2025-05-08 09:54:12 Classification
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Common POPs test substances for water pipes in the EU. According to the EU POPs Regulation (EU) 2019/1021, water pipes, as a type of plastic product, need to be tested for POPs to ensure that they meet regulatory requirements. The following are common POPs test substances in water pipes and related information.
1. Short-chain chlorinated paraffin (SCCP)
- Limit requirements: 10000ppm for substances or preparations, 1500ppm for articles
- Main applications: widely used in cables, and can also be used to make water pipes, floors, films, artificial leather, plastic products and daily necessities. Mainly used as a flame retardant.
2. Perfluorooctane sulfonate (PFOS)
- Limit requirements: substances or preparations ≤10ppm, articles, semi-finished products or components 1000ppm, for textile materials, the coating material content needs to be 1ug/m2
- Main applications: widely used in the production of surface antifouling treatment agents such as textiles, leather products, furniture and carpets. In water pipes, PFOS may be used for surface treatment or coating.
3. Hexabromocyclododecane (HBCDD)
- Limit requirement: 100ppm
- Main application: used for flame retardant of polypropylene plastics and fibers, polystyrene foam, and can also be used for polyester fabrics. In water pipes, HBCDD may be used as a flame retardant.
4. Polychlorinated biphenyls (PCBs)
- Limit requirement: banned
- Main application: once used in insulating oils, lubricating oils and heat carrier media, it is widely banned due to its toxicity and bioaccumulation. In water pipes, PCBs may be present in old insulation materials or additives.
5. Polychlorinated terphenyls (PCTs)
- Limit requirement: banned
- Main application: also a persistent and bioaccumulative industrial chemical. In water pipes, PCTs may be present in old industrial chemicals or additives.
6. Dioxins and furans
- Limit requirements: No specific limit, but emissions need to be minimized
- Main applications: including polychlorinated dibenzo dioxins (PCDDs), polychlorinated dibenzo furans (PCDFs), etc., which may be unintentionally formed in industrial processes such as combustion and smelting. In the production of water pipes, these substances may exist as by-products.
7. Polybrominated diphenyl ethers (PBDEs)
- Limit requirements: 5 substances in the substance are ≤10ppm each; the sum of 5 substances in mixtures and articles is ≤500ppm
- Main applications: A commonly used flame retardant widely used in electronic products, furniture and textiles. In water pipes, PBDEs may be used as flame retardants.
Summary
As a type of plastic product, water pipes need to be tested for POPs to ensure that they meet the requirements of the EU POPs regulations. Common test substances include short-chain chlorinated paraffins (SCCP), perfluorooctane sulfonate (PFOS), hexabromocyclododecane (HBCDD), polychlorinated biphenyls (PCBs), polychlorinated terphenyls (PCTs), dioxins and furans, and polybrominated diphenyl ethers (PBDEs). Enterprises should ensure that the test results meet regulatory requirements to avoid product recalls or other legal consequences due to non-compliance with regulations.
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