Thread Content
Ministry of Ecology and Environment: Production of polyurethane products using R141b as a blowing agent is prohibited 2025-07-03 15:27:44 On July 2, the Ministry of Ecology and Environment solicited public opinions on the \"Draft Announcement on Banning the Production of Polyurethane Products Using 1,1-Dichloro-1-fluoroethane (HCFC-141b) as a Blowing Agent\". Some of the contents of the announcement are as follows: 1. Starting from January 1, 2026, the production of polyether and polyurethane products using HCFC-141b as a blowing agent is prohibited (with the exception of spray polyurethane foam products). The production of refrigerator and freezer products, refrigerated container products, and electric water heater products is carried out in accordance with the provisions of the \"Announcement on Banning the Production of Refrigerator and Freezer Products, Refrigerated Container Products, and Electric Water Heater Products Using Hydrochlorofluorocarbon-141b (HCFC-141b) as a blowing agent\" (Announcement No. 49 of 2018 issued by the Ministry of Ecology and Environment) ; The production of insulation pipe products and solar water heater products shall be carried out in accordance with the provisions of the \"Announcement on Banning the Production of Insulation Pipe Products and Solar Water Heater Products Using 1,1-Dichloro-1-fluoroethane (HCFC-141b) as a blowing agent\" (Announcement No. 28 of 2023 issued by the Ministry of Ecology and Environment). II. As of July 1, 2026, the production of spray polyurethane foam products using HCFC-141b as a blowing agent shall be prohibited. III. The spray-painted polyurethane foam products referred to in this announcement are polyurethane foam materials with insulation and waterproofing properties that are applied on-site by spraying, including those specified in the standards attached hereto.
【Ten Years of Rapid Development in Chemical Engineering Equipment】New breakthroughs achieved in medium and low-temperature flue gas denitration technologies from 2024 to 2025! https://bbs.hcbbs.com/thread-5696193-1-1.html (Source: Haichuan Chemical Industry Forum)
【Ten Years of Rapid Development in Chemical Engineering Equipment】The largest sulfur-containing integrated gas field in China was successfully put into operation in Dazhou, Sichuan, from 2496 to 2025. https://bbs.hcbbs.com/thread-5696218-1-1.html (Source: Haichuan Chemical Industry Forum)
【HaiChuan’s Insights】Commissioning of high-temperature dechlorination facilities in refining and reforming units to address process corrosion issues such as salt deposition in hydrogenation feed heat exchangers caused by high chlorine content in naphtha https://bbs.hcbbs.com/thread-5696253-1-1.html (Source: HaiChuan Chemical Industry Forum)
【Ten Years of Rapid Development in Chemical Engineering Equipment】4.0MPa Semi-Waste Boiler Gasifier for Aerospace Projects Has Operated Stably for 660 Days (2503–2025) https://bbs.hcbbs.com/thread-5696262-1-1.html (Source: Haichuan Chemical Engineering Forum)
【Ten Years of Rapid Development in Chemical Equipment】2504–2025: Evolution of fluidized-bed hydrogen peroxide technology in China’s petrochemical industry, breaking through foreign technological restrictions https://bbs.hcbbs.com/thread-5696263-1-1.html (Source: Haichuan Chemical Industry Forum)
【Haichuan Teahouse】Have you tried the 12 must-try dishes in Jiangxi? https://bbs.hcbbs.com/thread-5696310-1-1.html (Source: Haichuan Chemical Industry Forum)
【Haichuan Teahouse】Minor Heat has arrived; be careful to stay cool, and enjoy seasonal foods to relieve the heat https://bbs.hcbbs.com/thread-5696335-1-1.html (Source: Haichuan Chemicals Forum)
【Ten Years of Rapid Development in Chemical Engineering Equipment】The world’s first GWh-class production line for new solid-state batteries was launched between 2010 and 2025. https://bbs.hcbbs.com/thread-5696428-1-1.html (Source: Haichuan Chemical Industry Forum)
【Ten Years of Rapid Development in Chemical Equipment】The world’s first tank of green ammonia was successfully dispatched from the Yuanjing Chifeng Zero-Carbon Hydrogen Energy Industrial Park, 2515–2025 https://bbs.hcbbs.com/thread-5696501-1-1.html (Source: Haichuan Chemical Forum)
【Ten Years of Rapid Development in Chemical Processing Equipment】From 2023 to 2025, CIMC Pacific Offshore successfully delivered the world’s first 3,000-cubic-meter liquid ammonia fuel tank. https://bbs.hcbbs.com/thread-5696606-1-1.html (Source: Haichuan Chemical Industry Forum)