Core Viewpoint - The National Standard for Liquefied Petroleum Gas (GB 11174—2025) has been approved and will be implemented on November 1, 2026, aiming to enhance safety and quality in the liquefied petroleum gas industry [1]. Summary by Relevant Sections Standard Scope and Implementation - The new standard covers liquefied petroleum gas used for industrial, civilian, and automotive purposes [1]. - It will take effect on November 1, 2026 [1]. Technical Improvements - The new standard introduces increased technical requirements compared to the previous version [1]. - It includes new indicators for dimethyl ether to prevent illegal additions that could lead to leakage, enhancing gas safety [1]. - The addition of 1,3-butadiene indicators aims to protect environmental and human health [1]. - Stricter sulfur content requirements will help reduce sulfur pollutant emissions from combustion, improving air quality [1]. - Advanced testing methods for sulfur content, hydrocarbon composition, and dimethyl ether will lower analysis costs and improve efficiency [1]. Industry Impact - The implementation of the new standard is expected to elevate the quality of liquefied petroleum gas products [1]. - It will guide the liquefied petroleum gas industry towards high-quality development while ensuring consumer safety [1].

新京报讯 据市说新语消息，近日，市场监管总局（国家标准委）批准发布强制性国家标准《液化石油 气》（GB 11174—2025），该标准将于2026年11月1日起实施。 该标准的范围包括工业用燃料、民用燃料和车用燃料的液化石油气。与旧版标准相比，增加并提高了技 术指标要求，同时改进了试验方法。一是增加了二甲醚指标要求，防止人为非法添加二甲醚腐蚀橡胶密 封圈而导致泄漏事故，有利于加强用气安全性，同时也避免了低热值的二甲醚对液化石油气产品热值的 影响。二是增加了1,3-丁二烯指标要求，有利于保护环境及人体健康。三是加严了硫含量指标要求，有 助于进一步降低液化石油气燃烧后含硫污染物排放，保护空气质量。四是硫含量、烃组成和二甲醚等项 目检测采用了先进高效的试验方法，有利于降低分析成本、提高分析效率。 新版标准的实施将进一步提高液化石油气产品质量，引领液化石油气行业高质量发展，同时保障广大消 费者的用气安全。 ...