标准编号:	GB/T 13521-2016
中文名称:	冠形瓶盖
英文名称:	Crown cap
中标分类:	82
行业分类:	GB    国家标准
ICS分类:	55.160 55.160    箱、盒、板条箱 55.160
发布机构:	中华人民共和国国家质量监督检验检疫总局 中国国家标准化管理委员会
发布日期:	2016-02-24
实施日期:	2016-5-15
标准状态:	valid
替代旧标准:	GB/T 13521-1992 冠形瓶盖
翻译语言:	英文
文件格式:	PDF
中文字符数:	8000 字
翻译价格(元):	480.0
交付时间:	付款后 1 个工作日

ICS 55.160 A 82 National Standard of the People’s Republic of China GB/T 13521-2016 Replaces GB/T 13521-1992 Crown cap 冠形瓶盖 (English Translation) Issue date: 2016-02-24 Implementation date: 2016-05-15 Issued by the General Administration of Quality Supervision, Inspection and Quarantine of the People’s Republic of China the Standardization Administration of the People’s Republic of China Contents Foreword i 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Product structure 1 5 Requirements 2 6 Test methods 4 7 Inspection rules 6 8 Marking, packaging, transport and storage 7 Foreword Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. This standard is developed in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 13521-1992 Crown cap. The following technical changes have been made with respect to GB/T 13521-1992: ——The definition of cap is modified (see Clause 3); ——The requirements for basic dimensions and deviations of caps are revised (see 5.2); ——The test methods for tightness and instantaneous pressure resistance are modified (see 5.5.3); ——Cap gasket materials such as polyethylene are added (see 5.4.2 and 6.3); ——The classification of the premium grade and qualified grade for caps are deleted. This standard was proposed by and is under the jurisdiction of the National Technical Committee 49 on Packaging of Standardization Administration of China (SAC/TC 49). The previous edition of this standard is as follows: ——GB/T 13521-1992. Crown cap 1 Scope This standard specifies the dimensions, requirements, test methods, inspection rules, and marking, packaging, transport and storage of crown caps made of electrolytic tinplate (or electrolytic chromium/chromium oxide coated steel sheet) for food packaging such as beer and beverage (hereinafter referred to as "caps"). This standard is applicable to the caps for sealing finishes which meet the requirements of QB/T 3729. This standard may also serve as a reference for the caps for sealing finishes for containers made of other materials. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 191 Packaging - Pictorial marking for handling of goods GB/T 2520 Cold-reduced electrolytic tinplate GB/T 24180 Cold-reduced electrolytic chromium/chromium oxide coated steel sheet and strip QB/T 3729 Glass containers - Crown finishes dimensions 3 Terms and definitions For the purposes of this standard, the following terms and definitions apply. 3.1 crown cap bottle cap composed of a crown-shaped metal matrix with teeth on the periphery and an embedded sealing gasket, which is used for sealing the finish meets the requirements of QB/T 3729 to meet the packaging requirements of beer, beverage and other products with air tightness requirements 4 Product structure See Figure 1 for the schematic diagram of cap structures. Key: S——the thickness of the matrix; D——the outside diameter; d——the inner diameter; H——the cap height. Figure 1 Schematic diagram for cap structures

ICS A National Standard of the People’s Republic of China GB/T 13521- Replaces GB/T 13521- Crown cap 冠形瓶盖 (English Translation) Issue date: 2016-02-24 Implementation date: 2016 Issued by the General Administration of Quality Supervision, Inspection and Quarantine of the People’s Republic of China the Standardization Administration of the People’s Republic of China Contents Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Product structure 5 Requirements 6 Test methods 7 Inspection rules 8 Marking, packaging, transport and storage Foreword Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. This standard is developed in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 13521-1992 Crown cap. The following technical changes have been made with respect to GB/T 13521-1992: ——The definition of cap is modified (see Clause 3); ——The requirements for basic dimensions and deviations of caps are revised (see 5.2); ——The test methods for tightness and instantaneous pressure resistance are modified (see 5.5.3); ——Cap gasket materials such as polyethylene are added (see 5.4.2 and 6.3); ——The classification of the premium grade and qualified grade for caps are deleted. This standard was proposed by and is under the jurisdiction of the National Technical Committee 49 on Packaging of Standardization Administration of China (SAC/TC 49). The previous edition of this standard is as follows: ——GB/T 13521-1992. Crown cap 1 Scope This standard specifies the dimensions, requirements, test methods, inspection rules, and marking, packaging, transport and storage of crown caps made of electrolytic tinplate (or electrolytic chromium/chromium oxide coated steel sheet) for food packaging such as beer and beverage (hereinafter referred to as "caps"). This standard is applicable to the caps for sealing finishes which meet the requirements of QB/T 3729. This standard may also serve as a reference for the caps for sealing finishes for containers made of other materials. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 191 Packaging - Pictorial marking for handling of goods GB/T 2520 Cold-reduced electrolytic tinplate GB/T 24180 Cold-reduced electrolytic chromium/chromium oxide coated steel sheet and strip QB/T 3729 Glass containers - Crown finishes dimensions 3 Terms and definitions For the purposes of this standard, the following terms and definitions apply. crown cap bottle cap composed of a crown-shaped metal matrix with teeth on the periphery and an embedded sealing gasket, which is used for sealing the finish meets the requirements of QB/T 3729 to meet the packaging requirements of beer, beverage and other products with air tightness requirements 4 Product structure See Figure 1 for the schematic diagram of cap structures. Key: S——the thickness of the matrix; D——the outside diameter; d——the inner diameter; H——the cap height. Figure 1 Schematic diagram for cap structures

ICS 55.160 A 82 GB 中华人民共和国国家标准 GB/T 13521—2016 代替GB/T 13521—1992 __________________________________________________________________________ 冠形瓶盖 Crown cap 2016-02-24发布 2016-05-15实施 中华人民共和国国家质量监督检验检疫总局 中国国家标准化管理委员会 发布 前言 本标准按照GB/T 1.1—2009给出的规则起草。 本标准代替GB/T 13521—1992《冠形瓶盖》。与GB/T 13521—1992相比，主要技术内容变化如下： ——修改了瓶盖的定义(见3)； ——修改了瓶盖基本尺寸及其偏差的要求(见5.2)； ——修改了密封性及瞬时耐压试验方法(见5.5.3)； ——增加了瓶盖垫片聚乙烯等材料(见5.4.2、6.3)； ——删除了瓶盖优级品和合格品的分级。 本标准由全国包装标准化技术委员会(SAC/TC 49)提出并归口。 本标准所代替标准的历次版本发布情况为： ——GB/T 13521—1992。 冠形瓶盖 1 范围 本标准规定了由电镀锡(或镀铬)薄钢板制成的用于啤酒、饮料等食品包装的冠形瓶盖(以下简称“瓶盖”)的尺寸、要求、试验方法、检验规则和标志、包装、运输和贮存。 本标准适用于瓶口符合QB/T 3729的封口用瓶盖。其他材质容器的封口用瓶盖可参照执行。 2 规范性引用文件 下列文件对于本文件的应用是必不可少的。凡是注日期的引用文件，仅注日期的版本适用于本文件。凡是不注日期的引用文件，其最新版本(包括所有的修改单)适用于本文件。 GB/T 191 包装储运图示标志 GB/T 2520 冷轧电镀锡薄钢板及钢带 GB/T 24180 冷轧电镀铬钢板及钢带 QB/T 3729 玻璃容器冠形瓶口尺寸 3 术语和定义 下列术语和定义适用于本文件。 3.1 冠形瓶盖 crown cap 由周边有齿、形似皇冠的金属基体及其内嵌的密封垫片两部分组合而成一种瓶盖，用于密封符合QB/T 3729规定的瓶口，以满足啤酒、饮料等有气密性要求的产品包装。 4 产品结构 瓶盖结构示意图见图1。 金属基体 密封垫片 说明： S——基体厚度； D——外径； d——内径； H——盖高。 图1 结构示意图 5 要求 5.1 瓶盖外观 5.1.1 瓶盖不应有毛刺、疵点和裂痕等，不得沾有污物。 5.1.2 图案清晰、商标文字正确。 5.1.3 图案位置允差≤0.8 mm。 5.1.4 瓶盖垫片应平整，无缺陷、异物。 5.1.5 瓶盖垫片和瓶盖粘结牢固。 5.2 瓶盖基本尺寸及偏差 瓶盖基本尺寸及偏差见表1。 表1 瓶盖基本尺寸及偏差 单位为毫米 名称 基本尺寸 偏差 基体厚度S 0.22～0.25 — 外径D 32.10 ±0.20 内径d 26.75 ±0.15 盖高H 6.00 6.60 ±0.15 齿数 21 — 注：特殊尺寸由供需双方商定。 5.3 瓶盖垫片 经杀菌处理，开瓶后垫片不自然脱离。 5.4 瓶盖材料 5.4.1 瓶盖基体材料：采用电镀锡薄钢板或电镀铬薄钢板，电镀锡薄钢技术要求应符合GB/T 2520的规定，电镀铬薄钢板技术要求应符合GB/T 24180的规定。 5.4.2 瓶盖垫片：采用无异味，卫生指标符合有关国家标准规定的材料。 5.5 瓶盖特性 5.5.1 耐磨性 25只瓶盖的滚动损耗值，应符合表2规定。