標準編號:	QB/T 5087-2017
中文名稱:	箱包用皮革
英文名稱:	Case and bag leather
行業分類:	QB    輕工行業標準
發布機構:	中華人民共和國工業和信息化部
發布日期:	2017-01-09
實施日期:	2017-7-1
標準狀態:	valid
翻譯語言:	英文
文件格式:	PDF
中文字符數:	6000 字
翻譯價格(元):	440.0
交付時間:	付款后 1 個工作日

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 分類號：Y 46 備案號：57120—2017 中華人民共和國輕工行業標準 QB/T 5087—2017 箱包用皮革 Case and bag leather 2017—01—09發布 2017—07—01實施 中華人民共和國工業和信息化部 發布 前言 本標準按照GB/T 1.1—2009給出的規則起草。 本標準由中國輕工業聯合會提出。 本標準由全國皮革工業標準化技術委員會(SAC/TC 252)歸口。 本標準起草單位：泉州錦興皮業有限公司、興業皮革科技股份有限公司、峰安皮業股份有限公司、江源泰皮革有限公司、福建冠興皮革有限公司、晉江市安海恒泰制革有限公司、中國皮革和制鞋工業研究院。 本標準主要起草人：許連來、蔡建設、陳榮輝、陳志明、曾江勇、許永樂、錢振中。 本標準為首次發布。 箱包用皮革 1 范圍 本標準規定了箱包用皮革的要求、分級、試驗方法、檢驗規則、驗收、包裝、標志、運輸和貯存。 本標準適用于各種箱包用皮革(不包括移膜皮革)。 2規范性引用文件 下列文件對于本文件的應用是必不可少的。凡是注日期的引用文件，僅所注日期的版本適用于本文件。凡是不注日期的引用文件，其最新版本(包括所有的修改單)適用于本文件。 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 應符合表1的規定。 表1理化性能 項 目 指 標 撕裂力/N ≥ 15 規定負荷伸長率/％(規定負荷10 N/mm2) ≤ 60 涂層耐折牢度 10 000次無裂紋 氣味/級 ≤ 3 pH 3.5～6.0 pH稀釋差(當pH<4.0時，檢驗稀釋差) ≤ 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 游離甲醛/(mg/kg) ≤ 150 3.2色牢度 應符合表2的規定。 表2 色牢度 項 目 類 別 無涂飾、輕涂飾革 重涂飾革 絨面革 涂層厚度/μm ≤20 >20 摩擦色牢度/級 干擦≥ 3 3/4 3 濕擦≥ 2/3 3 2 耐光色牢度/級 ≥ 3 4 3 耐水漬色牢度/級 ≥ 3(絨面革除外) 3.3感官要求 3.3.1 全張革厚薄基本均勻，革身平整，無油膩感；軟革柔軟、豐滿有彈性。 3.3.2不裂面、無管皺，主要部位不應松面。 3.3.3涂飾革涂飾均勻，涂層粘著牢固，不掉漿，不裂漿。絨面革絨毛均勻，顏色基本一致。 4分級 產品經過檢驗合格后，根據全張革可利用面積的比例進行分級，應符合表3的規定。 表3分級 項 目 等 級 一級 二級 三級 四級 可利用面積/％ ≥ 90 80 70 60 整張革主要部位 (皮心、臀背部) 無影響使用功能的傷殘 輕微缺陷/％ ≤ 5 注：輕微缺陷：指不影響產品的內在質量和使用，只略影響外觀的缺陷，如輕微的色花、革面粗糙、色澤不均勻等 5試驗方法 5.1 撕裂力 按QB/T 4198進行檢驗。 5.2規定負荷伸長率 按QB/T 2710進行檢驗。 5.3涂層耐折牢度 按QB/T 2714進行檢驗。 5.4氣味 按QB/T 2725進行檢驗。 5.5 pH及稀釋差 按QB/T 2724進行檢驗。 5.6可分解有害芳香胺染料 按GB/T 19942進行檢驗。 5.7致癌染料 按GB/T 30399進行檢驗。 5.8分散性致敏染料 按GB/T 30398進行檢驗。 5.9游離甲醛 按GB/T 19941進行檢驗。當發生爭議、仲裁檢驗時，以色譜法為準。 5.10摩擦色牢度 按QB/T 2537進行檢驗，測試頭質量：光面革1 000g，絨面革500 g；摩擦次數應符合表4的規定。需測量表面涂層厚度的樣品，按GB/T 22889進行測定。 表4摩擦色牢度 項 目 類 別 無涂飾、輕涂飾革 絨面革 重涂飾革 摩擦色次數 干擦 50 250 50 濕擦 20 150 20 5.11耐光色牢度 按QB/T 2727—2017中方法二的規定進行。 5.12耐水漬色牢度 按GB/T 22886進行檢驗，30 min以后進行觀察。 5.13感官要求 在適宜光線下，選擇能看清的視距，進行感官檢驗。 6檢驗規則 6.1 組批 以同一品種原料投產、按同一生產工藝生產出來的同一品種的產品組成一個檢驗批。 6.2出廠檢驗 產品應經過檢驗，經檢驗合格并附有合格證方可出廠。 6.3型式檢驗 6.3.1檢驗周期 有下列情況之一者，應進行型式檢驗： a)原料、工藝、化工材料有重大改變時； b)產品長期停產(6個月)后恢復生產時； c) 國家質量監督機構提出進行型式檢驗要求時； d)正常生產時，每半年至少進行1次型式檢驗。 6.3.2抽樣數量 從經檢驗合格的產品中隨機抽取3張(片)進行檢驗。 6.3.3合格判定 6.3.3.1 單張(片)判定規則 ——理化性能、色牢度指標(規定負荷伸長率、pH除外)中若有1項不合格，或出現裂面、裂漿等影響使用功能的缺陷，即判該張(片)不合格； ——理化性能、色牢度指標中規定負荷伸長率、pH可有1項不合格，其余項目全部合格，感官要求中可有1項不合格，則判該張(片)合格； ——理化性能、色牢度指標全部合格，感官要求中累計超過3項不合格，則判該張(片)不合格。 6.3.3.2整批判定規則 在3張(片)被測樣品中，全部合格，則判批產品合格。若有1張(片)及以上不合格，則加倍取樣6張(片)進行復驗。6張(片)中若有1張(片)及以上不合格，則判該批產品不合格。 7驗收、標志、包裝、運輸和貯存 驗收、標志、包裝、運輸和貯存應符合QB/T 2801的規定。