2021年建筑材料产品质量国家监督抽查情况通报

2022-03-18 13:53:52

建筑材料是指用于建造建筑物主体工程所使用的材料,与人民群众生命财产安全密切相关。该类产品近3年整体抽查不合格率分别为9.6%、6.8%、7.8%。

2021年,市场监管总局组织开展了建筑材料产品质量国家监督抽查。现将抽查情况通报如下:

一、基本情况

(一)抽查概况。本次抽查了1395家企业生产的1415批次产品,涉及铝合金建筑型材、热轧带肋钢筋、建筑防水卷材、水泥等4种建筑材料产品,共发现110批次产品不合格(详见附件1),抽查不合格率为7.8%。

(二)跟踪抽查情况。本次跟踪抽查到上次抽查不合格企业58家,有12家企业本次抽查仍不合格(详见附件2),46家企业合格。

(三)拒检情况。在本次抽查中,河北飞跃石化防水材料有限公司违反《中华人民共和国产品质量法》规定,无正当理由拒绝接受监督抽查。(详见附件3)

二、抽查结果分析

建筑材料是指用于建造建筑物主体工程所使用的材料,与人民群众生命财产安全密切相关。该类产品近3年整体抽查不合格率分别为9.6%、6.8%、7.8%。

图1建筑材料产品近3年国家监督抽查情况

(一)铝合金建筑型材抽查不合格率为5.2%。本次抽查了25个省(区、市)403家企业生产的404批次产品,发现21批次产品不合格,抽查不合格率为5.2%,较上次抽查下降0.6个百分点。该产品近3年抽查不合格率分别为8.7%、5.8%、5.2%。

图2铝合金建筑型材产品近3年国家监督抽查情况

本次抽查重点对化学成分、抗拉强度、壁厚偏差、平均膜厚、封孔质量、漆膜硬度、耐碱性等31个项目进行了检验,不合格项目涉及化学成分、壁厚偏差、封孔质量、纵向抗剪特征值(高温)等8个项目。抽查发现8批次产品的纵向抗剪特征值(高温)项目不合格,经技术机构分析,该项目不合格的型材剪切强度不够,容易导致变形、脱落等。发现7批次产品化学成分项目不合格,该项目不合格会引起材料的力学性能不足、耐腐蚀性差等,不合格的主要原因是企业对原材料的质量把控不严,使用了杂质含量较高的铝锭。

本次重点抽查了广东省、山东省、江西省、四川省4个产业集聚区的生产企业,分别抽查了80批次、54批次、41批次、39批次产品,抽查不合格率分别为2.5%、7.4%、0%、7.7%。

(二)热轧带肋钢筋抽查不合格率为8.6%。本次抽查了26个省(区、市)257家企业生产的268批次产品,发现23批次产品不合格,抽查不合格率为8.6%,较上次抽查上升4.0个百分点。该产品近3年抽查不合格率分别为8.9%、4.6%、8.6%。

图3热轧带肋钢筋产品近3年国家监督抽查情况

本次抽查重点对化学成分(C元素、Si元素、Mn元素、P元素、S元素、Ceq)、屈服强度、抗拉强度、断后伸长率、重量偏差、金相组织等21个项目进行了检验,不合格项目涉及化学成分、屈服强度、肋间距、横肋末端间隙、重量偏差、表面标志。其中,有11批次产品横肋末端间隙项目不合格,经技术机构分析,该项目不合格会影响钢筋与混凝土之间的粘结力,导致结构安全风险增大,不合格的原因主要是部分生产企业对标准要求了解不够,未严格按照标准进行生产或未及时更新生产设备及工艺等。

本次重点抽查了广东省、江苏省、河北省、山西省4个产业集聚区的生产企业,分别抽查了35批次、31批次、17批次、17批次产品,抽查不合格率分别为8.6%、6.5%、0%、5.9%。

(三)建筑防水卷材抽查不合格率为16.4%。本次抽查了28个省(区、市)267家企业生产的275批次产品,发现45批次产品不合格,抽查不合格率为16.4%,较上年抽查上升5.3个百分点。该产品近3年抽查不合格率分别为13.9%、11.1%、16.4%。

图4建筑防水卷材产品近3年国家监督抽查情况

本次抽查重点对拉伸性能、热稳定性、不透水性、剥离强度、热老化、吸水率、耐热性等34个项目进行了检验,不合格项目涉及可溶物含量、延伸率、拉力、低温柔性、热老化、接缝剥离强度、剥离强度、卷材与卷材剥离强度(搭接边)、持粘性、渗油性等10个项目。抽查发现29批次产品热老化项目不合格,该项目不合格的产品在热环境下老化速度快,易变形、收缩或隆起,影响产品使用寿命;22批次产品低温柔性项目不合格,该项目不合格的产品在低温环境下使用时柔韧性差,易发硬、开裂,可能造成建筑物漏水。经技术机构分析,建筑防水卷材产品不合格的主要原因是企业质量意识较弱,质量控制手段不完备,生产流程控制不严,或者为降低生产成本偷工减料。

本次重点抽查了山东省、河北省、安徽省3个产业集聚区的生产企业,分别抽查了79批次、23批次、16批次产品,抽查不合格率分别为12.7%、30.4%、18.8%。

(四)水泥抽查不合格率为4.5%。本次抽查了26个省(区、市)468家企业生产的468批次产品,发现21批次产品不合格,抽查不合格率为4.5%,较上次抽查下降1.0个百分点。该产品近3年抽查不合格率分别为8.6%、5.5%、4.5%。

图5水泥产品近3年国家监督抽查情况

本次抽查重点对三氧化硫、氧化镁、烧失量、不溶物、氯离子、凝结时间、安定性、强度、放射性、水溶性铬(Ⅵ)、细度、保水率等12个项目进行了检验。不合格项目涉及水溶性铬(Ⅵ)、氯离子、强度。经技术机构分析,水泥产品不合格的主要原因:一是企业在水泥生产过程中使用了含铬高的原材料和混合材料,导致水溶性铬(Ⅵ)不合格;二是企业在水泥生产过程中使用了含氯高的外加剂和混合材料,导致氯离子不合格;三是熟料烧成质量不达标,未按照标准要求掺加混合材料,导致强度不合格。

本次重点抽查了四川省、内蒙古自治区、河北省、山东省、安徽省、广东省6个产业集聚区的生产企业,分别抽查了60批次、37批次、33批次、31批次、31批次、21批次产品,抽查不合格率分别为0%、13.5%、3.0%、3.2%、6.5%、4.8%。

三、有关要求

针对本次产品质量国家监督抽查发现的问题,各省、自治区、直辖市和新疆生产建设兵团市场监管局(厅、委)要做好如下工作:

(一)强化抽查结果处理。按照《中华人民共和国产品质量法》《产品质量监督抽查管理暂行办法》等规定,做好监督抽查结果处理工作。对不合格产品,依法采取查封、扣押等措施,严禁企业出厂销售。对不合格企业,尤其是拒检企业和上次抽查不合格企业,进一步明确整改要求,督促落实整改措施,及时组织复查。对涉嫌犯罪的,及时移送司法机关。依法将严重违法失信企业纳入严重违法失信企业名单管理。结果处理情况要及时录入e-CQS系统并报送总局。总局将强化跟踪督办,视情通报各地结果处理情况。

(二)开展质量专项整治。针对河北省、安徽省、山东省的建筑防水卷材产品,内蒙古自治区的水泥产品,相应省份市场监管部门要开展产业集聚区质量专项整治,加大辖区内重点生产企业监督检查力度,综合运用多种手段,保持质量监管高压态势,严肃处理质量违法行为。

(三)督促落实主体责任。将本次抽查不合格产品情况通报地方政府及相关部门,采取有力措施,督促企业依法落实产品质量安全主体责任,引导企业严格按照标准组织生产,维护产品质量安全。

(四)加强质量技术帮扶。组织有关行业组织和技术机构,帮助企业深入查找原因,提出改进措施和解决方案,促进行业质量水平提高。

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Correlation

At the meeting, Yan Haochun brought the theme report "Dream of Blue Sky: Exploring the Green Footprint of Cement Industry in the Context of Carbon Market". She pointed out that the cement industry faced the risk of rising costs in the context of the carbon market.

2024-11-01 16:10:56

In this journey of green transformation, the cement industry is firmly moving towards a low-carbon future, from technological innovation to management optimization, from the application of clean energy to the promotion of alternative fuels, each initiative is depicting a new journey for the industry. Let us work hand in hand to lead the wave of emission reduction with innovation, fulfill the green mission with practical actions, write a brilliant chapter of green and low-carbon development of the cement industry, and contribute to the construction of a beautiful earth.

2024-10-31 09:43:57

Based on the market situation of the cement industry and the demand for high-quality and low-carbon development of Conch Cement, Conch will strengthen the research and development of technologies such as energy saving and carbon reduction, green environmental protection, clean energy and low-carbon cement. The main research directions of Conch's scientific and technological innovation in the future are as follows: 1. Research and development project of raw material and fuel substitution in the cement industry; 2. Research and development project of cement clinker quality improvement; 3. Energy-saving and carbon-reducing technical equipment R & D project; 4. Clean and green energy R & D and manufacturing project; 5. Future carbon technology industry exploration project.

2024-10-29 16:34:25

According to the China Cement Network Market Data Center, the Pearl River Delta in central and southern Guangdong is planning to continue to push up cement prices by 30-50 yuan/ton around the end of the month, and the Guangxi region is temporarily stable. Cement prices in Hunan and Hubei continued to rise by 30-50 yuan/ton.

2024-10-25 17:23:23

On October 24, the "2024 China Cement Double Carbon Conference and the 12th Energy Conservation and Environmental Protection Technology Exchange Conference" was held in Wuhu, Anhui Province. Gao Dengbang, President of China Cement Association, Zhu Shengli, General Manager of Anhui Conch Group Co., Ltd., Lv Zhijian, President of Xinjiang Building Material Industry Association, Ma Weiping, Chairman of OCC, Jiang Dehong, Vice President and Chief Engineer of Tianshan Materials Co., Ltd., Li Jian, Associate Researcher of Chinese Academy of Environmental Sciences, Fan Yueming, Professor of South China University of Technology, Zhuge Wenda, Chairman of Leishan Cement Co., Ltd., Century Xinfeng, Hubei, Yan Haochun, Technical Director of China National Inspection and Testing Holding Group and General Manager of Certification and Evaluation Center.

2024-10-24 16:55:38

Zero-carbon cement: an ecological cementitious material that has no carbon footprint in its full life cycle (only absorbs and does not emit carbon dioxide) and uses green electricity and 95-100% solid waste. Zero carbon basis: solid wastes that have been listed in the national bulk solid waste list do not count their carbon footprint. The source of alkali activator used in geopolymer cement, electrolytic cement (new technology of MIT) and alkali-activated cement should be waste alkali or green electrolysis.

2024-10-15 09:59:47

Guizhou Huangping Jianfeng Cement Co., Ltd. is a wholly-owned subsidiary of Zhejiang Jianfeng Group. The total investment of this project is 758 million yuan. It is a key project of poverty alleviation cooperation between the East and the West of Qiandongnan Prefecture in Zhejiang Province. It is the second large-scale cement enterprise of Zhejiang Jianfeng Group in Southwest China and the first production line of Jianfeng Cement in Guizhou.

2024-10-12 10:34:10

Guizhou Huangping Jianfeng Cement Co., Ltd. is a wholly-owned subsidiary of Zhejiang Jianfeng Group Co., Ltd. (Hereinafter referred to as Jianfeng Cement). The total investment of this project is 758 million yuan. It is a key poverty alleviation cooperation project between the East and the West of Qiandongnan Prefecture in Zhejiang Province. It is the second large-scale cement enterprise of Zhejiang Jianfeng Group in Southwest China and the first production line of Jianfeng Cement in Guizhou.

2024-09-26 17:23:40

Although the road of carbon emission reduction in the cement industry is full of challenges, through continuous technological innovation and industry practice such as "steel slag phase-separated clinker", we have reason to believe that the cement industry can surpass the "face-saving project", realize the real green transformation, explore a sustainable road of cement concrete development, and leave a cleaner and sustainable earth for future generations.

2024-09-24 14:31:59

In order to implement the spirit of documents such as "Opinions of the State Council of the Central Committee of the Communist Party of China on Deeply Fighting the Strong Battle of Pollution Prevention and Control" and "Opinions of the Ministry of Ecology and Environment on Promoting the Implementation of Ultra-low Emissions in the Cement Industry" and "Notice on the Assessment and Monitoring of Ultra-low Emissions in Cement and Coking Enterprises", the State Council of the Central Committee of the Communist We will implement the requirements of relevant documents such as the Implementation Plan for the Ultra-low Emission Reform of the Cement Industry in Xinjiang Uygur Autonomous Region (No.117, 2024) and the Plan for the Ultra-low Emission Reform of the Cement Industry in the Corps (No.16, 2024), and accelerate the process of the ultra-low emission work in the cement industry in the autonomous region. September 6, 2024

2024-09-20 09:19:59

In order to make preparations for being incorporated into the national carbon market, we should actively establish and improve the dual-carbon planning system, management system, system, innovation system, trading system and capacity system, do a good job in the research of dual-carbon policy, find out the family background, consolidate the quality of data, decompose and implement the goal of carbon reduction, and strive to achieve the goal of carbon reduction. We will continue to promote the substitution of raw materials, the transformation of energy consumption structure, the acceleration of technological innovation, the promotion of green manufacturing and intelligent leadership, and the coordinated promotion of carbon reduction, pollution reduction and green expansion. Growth.

2024-09-13 16:07:12

From the overall situation, in the first half of 2024, the overall operating situation of the cement industry was grim, and the profits of cement enterprises basically declined sharply, and even some enterprises suffered huge losses. In terms of the operation and management of Conch Cement, the Group will pay close attention to the macroeconomic situation at home and abroad, and continue to improve the quality and efficiency of its operation in line with the guidance of national policies. Huaxin Cement said that it demonstrated the sense of responsibility of large enterprises and actively promoted and implemented new supply-side structural reform programs and measures suitable for the high-quality development of the industry.

2024-09-03 09:43:58

According to China Cement Network Market Data Center, the market demand in southwest Sichuan and Chongqing continued to be weak, cement prices in some regions fell by 10-20 yuan/ton, and Yunnan-Guizhou region was mixed. The market demand continued to be weak due to the high temperature off-season in Sichuan and Chongqing, and some enterprises in Sichuan lowered the cement price to increase the shipment volume, while the original plan to raise the price in Chengdu was not implemented. The demand for cement in Chongqing is declining and the price is stable. Rainy weather in Yunnan is frequent, market demand is low, and prices in some areas have fallen after pushing up. Cement prices in Guizhou are generally stable.

2024-08-09 17:19:44

Hebei Building Materials Industry Association issued a proposal to jointly resist the "involution of vicious competition" to promote the healthy and stable development of the industry, saying that since this year, with the continuous weakening of the cement market demand, the contradiction between supply and demand in the cement industry in our province has intensified, and some enterprises are still conservative in the "quantity and profit" business thinking. Vicious competition has occurred from time to time, and the benefits of the cement industry in the province have fallen to the lowest level in the past 10 years.

2024-08-09 16:08:45

Demand is declining, supply is increasing, and the price of sand and gravel industry is adjusted in an all-round way.

2024-07-31 15:56:20

"Integrated transformation and development, overseas development, new building materials business development, traditional industry + digital innovation".

2024-07-02 10:27:00

Listen to the singing of new willow branches, "old trees" blossom and "flowers" are more red. We believe that this cement production enterprise with a glorious history of more than 50 years will create a more brilliant future in the new journey of pursuing high-quality development.

2024-07-02 10:10:04

Huaxin Cement has formulated the action plan of "improving quality, increasing efficiency and emphasizing returns" in 2024, aiming at implementing the spirit of the Central Conference, responding to the initiative of the Shanghai Stock Exchange, improving the company's quality, investment value and market competitiveness, optimizing its operation and governance, actively returning investors and creating a good image of the capital market.

2024-07-01 17:06:15

Shandong Province issued the Action Plan for Upgrading the Building Materials Industry (2024-2026), which aims to promote the green, low-carbon and high-quality development of the building materials industry. The action plan focuses on the cement industry and puts forward the tasks of stable growth, structural adjustment, digital transformation, green manufacturing and safety improvement.

2024-07-01 17:05:09

To formulate and promulgate policies and measures to resolve excess capacity in the cement industry, and gradually establish a market-oriented and legalized working mechanism to resolve excess capacity.

2024-06-27 09:44:22

What is the driving force for the development of the next curve of the cement industry? Through the transformation and development of new quality productivity, the second curve of cement industry will be created to achieve a new leap forward in economic and social benefits.

2024-06-19 09:24:26

Green is the background of high-quality development of cement industry.

2024-06-18 14:36:10

According to the data center of China Cement Network, some areas in central and southern Hebei in North China have once again pushed up the price of cement by 30-50 yuan/ton and the price of clinker by 20 yuan/ton. The overall market demand is insufficient, and the implementation remains to be observed.

2024-06-14 17:45:01

On June 13, the 11th China Cement Energy Conservation and Environmental Protection Technology Exchange Conference and Equipment Renewal Forum, sponsored by China Cement Network, was held in Nanjing, Jiangsu Province.

2024-06-13 16:36:33

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2024-06-07 23:36:27

The implementation of the new national standard for cement has had a wide and far-reaching impact on the concrete industry chain.

2024-06-05 17:16:42

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2024-05-29 20:21:02

China Cement Network Market Data Center news, driven by raw materials in East China, Jiangsu, Zhejiang, Shanghai, Anhui and other places in the week notified an increase in cement prices of about 10-50 yuan/ton.

2024-05-24 15:36:57

According to the market data of China Cement Network, the rise in raw materials has led to an increase in production costs, and enterprises in eastern Hubei and Changde have notified an increase in cement prices by 20-30 yuan/ton.

2024-05-24 15:29:42

What is the significance of ultra-low emission to cement enterprises? How to choose the appropriate ultra-low emission technology route?

2024-05-23 11:09:40

In fact, I have no secret to do business, if I have to say, I would like to talk about the three basic points of my business: learning, innovation and responsibility. It is these three basic points that make me stick to the enterprise and make some achievements.

2024-05-22 13:16:41

As the largest cement producer and consumer in the world, China's cement production has been ranked first in the world for a long time. In recent years, as China's cement enterprises accelerate the pace of "going out", they have injected vitality into the economic development of overseas investment countries, and at the same time, they have also improved the level of global infrastructure construction.

2024-05-21 10:03:51

In 2023, the cumulative cement output of Enterprises above the national scale was about 2.023 billion tons, ranking first in the world for 38 consecutive years. Cement production accounts for more than 50% of global production, and annual carbon dioxide emissions exceed 1.2 billion tons.

2024-05-20 10:06:04

This week, the Beijing-Tianjin-Hebei region continued its efforts to push up the price of cement. At present, only the price increase in Shijiazhuang is well implemented.

2024-05-17 17:41:26

From 15th to 17th, the price of cement in Yinchuan area of Ningxia was pushed up again by 20-25 yuan/ton, and the implementation remains to be observed. Prices in the rest of the market have not changed significantly this week.

2024-05-17 17:30:48

The Ministry of Industry and Information Technology of the People's Republic of China announced the Recommended Catalogue of Energy-saving and Carbon Reduction Technology and Equipment in the Field of National Industry and Information Technology (2024 Edition).

2024-05-17 10:44:52

The tight capital chain makes it difficult for many enterprises to take substantial steps even if they realize the necessity of equipment renewal.

2024-05-15 15:38:50

The third round of the second batch of central ecological environment protection inspectors was launched in an all-round way. The inspection team will carry out the inspection work for about one month, and coordinate the river basin supervision and provincial supervision.

2024-05-07 17:21:41

Superior enterprises are encouraged to integrate inefficient production capacity in the city through market-oriented mergers and reorganizations, and gradually withdraw from cement clinker production lines of 2500 tons per day or less (except special cement).

2024-05-07 15:19:25

As the export business of Yufeng Group is on the right track, the internationalization process of Yufeng Group is accelerating. The "Yufeng" brand cement will further demonstrate the hard core strength of "Made in China", provide superior cement for customers in more countries and regions, and jointly build a beautiful earth home.

2024-05-06 09:23:34

Deqing Nanfang Cement Co., Ltd. is a "waste-free factory" selected by Huzhou City. In recent years, the enterprise has gone green and found a new way of sustainable development in which the construction of ecological civilization and the upgrading of traditional manufacturing industry complement each other.

2024-04-25 09:21:02

Conch Group is a leading enterprise in the global basic building materials industry, focusing on the development of the main cement industry, improving product quality and building urban infrastructure. At the same time, Conch actively lays out new energy and new materials industries, promotes environmental protection and digital transformation, and is committed to low-carbon economy and intelligent manufacturing. As an important participant in international trade, Conch has expanded its foreign trade and promoted the internationalization of its brand. Conch Group closely combines the national strategy to promote the high-quality development of the industrial chain, and is committed to creating a better living space for mankind and becoming a world-class enterprise.

2024-04-22 17:21:08

On April 18, the sixth general meeting of the seventh session of Hubei Cement Industry Association and the annual meeting of cement enterprises in the whole province were successfully held in Yichang, Hubei Province. The theme of this conference is "overcome the difficulties together, concentrate on moving forward, and work together to promote the rational return of the value of Hubei cement industry".

2024-04-19 09:30:08

Netizens have recently turned their "explosion" vision to cities, buildings and factories. What will it be like when the wind blows into the conch factory?

2024-04-18 09:36:28

Looking forward to 2024, CNBM will continue to unswervingly promote the implementation of internationalization strategy, promote the internationalization of all business, all processes and all elements, comprehensively strengthen the construction of overseas compliance risk control system, and take various measures to achieve high-quality development of international business.

2024-04-16 10:11:46

Recently, due to the persistent cost pressure in the south, the price of concrete has risen slightly with the raw materials, but the growth of market demand is limited, and the overall quotation is still stable. From October 31 to November 6, the national concrete price index closed at 112.47 points, up 0.31% annually and down 10.11% year-on-year.