标准编号:	QB/T 5087-2017
中文名称:	箱包用皮革
英文名称:	Case and bag leather
行业分类:	QB    轻工行业标准
发布机构:	中华人民共和国工业和信息化部
发布日期:	2017-01-09
实施日期:	2017-7-1
标准状态:	valid
翻译语言:	英文
文件格式:	PDF
中文字符数:	6000 字
翻译价格(元):	440.0
交付时间:	付款后 1 个工作日

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. The standard was proposed by China National Light Industry Council. This standard is under the jurisdiction of the National Technical Committee on Leather of Standardization Administration of China (SAC/TC 252). This standard is issued as first edition. Case and Bag Leather 1 Scope This standard specifies the requirements, grading, test methods, inspection rules, acceptance, packaging, marking, transportation and storage of case and bag leather. This standard is applicable to various case and bag leathers (excluding transfer coating leather). 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 normative document (including any amendments) applies. GB/T 19941 Leather and Fur - Chemical Tests - Determination of Formaldehyde Content GB/T 19942 Leather and Fur - Chemical Tests - Determination of Banned Azo Colourants GB/T 22886 Leather - Tests for Colour Fastness - Colour Fastness to Water Spotting GB/T 22889 Leather - Physical and Mechanical Tests - Determination of Surface Coating Thickness GB/T 30398 Leather and Fur - Chemical Tests - Determination of Allergenic Disperse Dyestuffs GB/T 30399 Leather and Fur - Chemical Tests - Determination of Carcinogenic Dyestuffs QB/T 2537 Leather - Tests for Colour Fastness - Colour Fastness to Cycles of To-and-fro Rubbing QB/T 2710 Leather - Physical and Mechanical Tests - Determination of Tensile Strength and Percentage Extension QB/T 2714 Leather - Physical and Mechanical Tests - Determination of Flex Resistance QB/T 2724 Leather - Chemical Test - Determination of pH QB/T 2725 Leather - Determination of Odour QB/T 2727-2017 Leather - Tests for Color Fastness. Color Fastness to Artificial Light: Xenon Art Fading Lamp Test QB/T 2801 Leather - The Rules of Examination for Acceptance Packing Marking Transportation and Conservation QB/T 4198 Leather - Physical and Mechanical Tests - Determination of Tear Load: Single Edge Tear 3 Requirements 3.1 Physical and chemical properties It shall meet the requirements specified in Table 1. Table 1 Physical and Chemical Properties Item Index Tear load/N ≥ 15 Elongation under the specified load/% (specified load 10N/mm2) ≤ 60 Folding fastness of coating Free of crack after folding for 10000 times Odor/grade ≤ 3 pH 3.5~6.0 Diluted difference of pH (when pH value is less than 4.0, inspect the diluted difference) ≤ 0.7 Decomposable harmful aromatic amine dyes/(mg/kg) ≤ 30 Carcinogenic dyes/(mg/kg) ≤ 30 Allergenous disperse dyes/(mg/kg) ≤ 30 Free formaldehyde/(mg/kg) ≤ 150 3.2 Color fastness It shall meet the requirements specified in Table 2. Table 2 Color Fastness Item Category No-finishing and light-finishing leather Heavy-finishing leather Suede leather Coating thickness/μm ≤20 >20 - Color fastness to rubbing /grade Dry rubbing ≥ 3 3/4 3 Wet rubbing ≥ 2/3 3 2 Color fastness to light /grade ≥ 3 4 3 Color fastness to water stain /grade ≥ 3 (except suede leather) 3.3 Sensory requirements 3.3.1 The whole piece of leather has basically uniform thickness, the leather is flat and free of greasy feeling; soft leather is soft, plump and elastic. 3.3.2 There are no broken grain and pipey and the primary parts shall be free from loose grain. 3.3.3 The finishing of finished leather is uniform, the coating is in firm adhesion and free of decoating and crazing. The fluff of suede leather is uniform and the color is basically consistent. 4 Grading After the product passes the inspection, the grading is carried out according to the proportion of available area for whole piece of leather and shall meet the requirements specified in Table 3. Table 3 Grading Item Grade Grade I Grade II Grade III Grade IV Available area/% ≥ 90 80 70 60 Major positions of whole piece of leather (leather center, hip and back) Free of defect influencing the use function - Minor defect/% ≤ 5 Note: minor defect: defect that have no influence on the inherent quality and use of the product, but may slightly influence the appearance such as slight dyeing defect, roughness on the leather surface and non-uniform color. 5 Test Methods 5.1 Tear load Inspect according to QB/T 4198. 5.2 Elongation under the specified load Inspect according to QB/T 2710. 5.3 Folding fastness of coating Inspect according to QB/T 2714. 5.4 Odor Inspect according to QB/T 2725. 5.5 pH value and diluted difference Inspect according to QB/T 2724. 5.6 Decomposable harmful aromatic amine dyes Inspect according to GB/T 19942. 5.7 Carcinogenic dyes Inspect according to GB/T 30399. 5.8 Allergenous disperse dyes Inspect according to GB/T 30398. 5.9 Free formaldehyde Inspect according to GB/T 19941. In case dispute occurs and arbitration inspection is carried out, the chromatography shall prevail.

Foreword i 1 Scope 2 Normative References 3 Requirements 4 Grading 5 Test Methods 6 Inspection Rules 7 Acceptance, Marking, Packaging, Transportation and Storage

ICS 59.140.30 分类号：Y 46 备案号：57120—2017 中华人民共和国轻工行业标准 QB/T 5087—2017 箱包用皮革 Case and bag leather 2017—01—09发布 2017—07—01实施 中华人民共和国工业和信息化部 发布 前言 本标准按照GB/T 1.1—2009给出的规则起草。 本标准由中国轻工业联合会提出。 本标准由全国皮革工业标准化技术委员会(SAC/TC 252)归口。 本标准起草单位：泉州锦兴皮业有限公司、兴业皮革科技股份有限公司、峰安皮业股份有限公司、江源泰皮革有限公司、福建冠兴皮革有限公司、晋江市安海恒泰制革有限公司、中国皮革和制鞋工业研究院。 本标准主要起草人：许连来、蔡建设、陈荣辉、陈志明、曾江勇、许永乐、钱振中。 本标准为首次发布。 箱包用皮革 1 范围 本标准规定了箱包用皮革的要求、分级、试验方法、检验规则、验收、包装、标志、运输和贮存。 本标准适用于各种箱包用皮革(不包括移膜皮革)。 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，仅所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 19941 Leather and Fur-Chemical tests-Determination of formaldehyde content GB/T 19942 Leather and Fur-Chemical tests-Determination of banned azo colourants GB/T 22886 Leather - Tests for colour fastne - Colour fastne to water otting GB/T 22889 Leather - Physical and mechanical tests - Determination of surface coating thickness GB/T 30398 Leather and fur—Chemical tests—Determination of allergenic disperse dyestuffs GB/T 30399 Leather and fur―Chemical tests―Determination of carcinogenic dyestuffs QB/T 2537 Leather—Tests for colour fastness—Colour fastness to cycles of to-and-fro rubbing QB/T 2710 Leather - Physical and mechanical tests - Determination of tensile strength and percentage extension QB/T 2714 Leather -- Physical and mechanical tests -- Determination of flex resistance QB/T 2724 Leather -- chemical test -- Determination of ph QB/T 2725 Leather - Determination of Odour QB/T 2727-2017 Leather-- Tests for color fastness. Color fastness to artificial light: xenon art fading lamp test QB/T 2801 Leather-The rules of examination for acceptance packing marking transportation and conservation QB/T 4198 Leather—Physical and mechanical tests—Determination of tear load：Single edge tear 3要求 3.1 理化性能 应符合表1的规定。 表1理化性能 项 目 指 标 撕裂力/N ≥ 15 规定负荷伸长率/％(规定负荷10 N/mm2) ≤ 60 涂层耐折牢度 10 000次无裂纹 气味/级 ≤ 3 pH 3.5～6.0 pH稀释差(当pH<4.0时，检验稀释差) ≤ 0.7 可分解有害芳香胺染料/(mg/kg) ≤ 30 致癌染料/(mg/kg) ≤ 30 致敏性分散染料/(mg/kg) ≤ 30 游离甲醛/(mg/kg) ≤ 150 3.2色牢度 应符合表2的规定。 表2 色牢度 项 目 类 别 无涂饰、轻涂饰革 重涂饰革 绒面革 涂层厚度/μm ≤20 >20 摩擦色牢度/级 干擦≥ 3 3/4 3 湿擦≥ 2/3 3 2 耐光色牢度/级 ≥ 3 4 3 耐水渍色牢度/级 ≥ 3(绒面革除外) 3.3感官要求 3.3.1 全张革厚薄基本均匀，革身平整，无油腻感；软革柔软、丰满有弹性。 3.3.2不裂面、无管皱，主要部位不应松面。 3.3.3涂饰革涂饰均匀，涂层粘着牢固，不掉浆，不裂浆。绒面革绒毛均匀，颜色基本一致。 4分级 产品经过检验合格后，根据全张革可利用面积的比例进行分级，应符合表3的规定。 表3分级 项 目 等 级 一级 二级 三级 四级 可利用面积/％ ≥ 90 80 70 60 整张革主要部位 (皮心、臀背部) 无影响使用功能的伤残 轻微缺陷/％ ≤ 5 注：轻微缺陷：指不影响产品的内在质量和使用，只略影响外观的缺陷，如轻微的色花、革面粗糙、色泽不均匀等 5试验方法 5.1 撕裂力 按QB/T 4198进行检验。 5.2规定负荷伸长率 按QB/T 2710进行检验。 5.3涂层耐折牢度 按QB/T 2714进行检验。 5.4气味 按QB/T 2725进行检验。 5.5 pH及稀释差 按QB/T 2724进行检验。 5.6可分解有害芳香胺染料 按GB/T 19942进行检验。 5.7致癌染料 按GB/T 30399进行检验。 5.8分散性致敏染料 按GB/T 30398进行检验。 5.9游离甲醛 按GB/T 19941进行检验。当发生争议、仲裁检验时，以色谱法为准。 5.10摩擦色牢度 按QB/T 2537进行检验，测试头质量：光面革1 000g，绒面革500 g；摩擦次数应符合表4的规定。需测量表面涂层厚度的样品，按GB/T 22889进行测定。 表4摩擦色牢度 项 目 类 别 无涂饰、轻涂饰革 绒面革 重涂饰革 摩擦色次数 干擦 50 250 50 湿擦 20 150 20 5.11耐光色牢度 按QB/T 2727—2017中方法二的规定进行。 5.12耐水渍色牢度 按GB/T 22886进行检验，30 min以后进行观察。 5.13感官要求 在适宜光线下，选择能看清的视距，进行感官检验。 6检验规则 6.1 组批 以同一品种原料投产、按同一生产工艺生产出来的同一品种的产品组成一个检验批。 6.2出厂检验 产品应经过检验，经检验合格并附有合格证方可出厂。 6.3型式检验 6.3.1检验周期 有下列情况之一者，应进行型式检验： a)原料、工艺、化工材料有重大改变时； b)产品长期停产(6个月)后恢复生产时； c) 国家质量监督机构提出进行型式检验要求时； d)正常生产时，每半年至少进行1次型式检验。 6.3.2抽样数量 从经检验合格的产品中随机抽取3张(片)进行检验。 6.3.3合格判定 6.3.3.1 单张(片)判定规则 ——理化性能、色牢度指标(规定负荷伸长率、pH除外)中若有1项不合格，或出现裂面、裂浆等影响使用功能的缺陷，即判该张(片)不合格； ——理化性能、色牢度指标中规定负荷伸长率、pH可有1项不合格，其余项目全部合格，感官要求中可有1项不合格，则判该张(片)合格； ——理化性能、色牢度指标全部合格，感官要求中累计超过3项不合格，则判该张(片)不合格。 6.3.3.2整批判定规则 在3张(片)被测样品中，全部合格，则判批产品合格。若有1张(片)及以上不合格，则加倍取样6张(片)进行复验。6张(片)中若有1张(片)及以上不合格，则判该批产品不合格。 7验收、标志、包装、运输和贮存 验收、标志、包装、运输和贮存应符合QB/T 2801的规定。