標(biāo)準(zhǔn)編號(hào):	GB/T 41006-2021
中文名稱:	汽車用聚氨酯合成革通用技術(shù)條件
英文名稱:	General technical requirements for polyurethane synthetic leather used for vehicle
中標(biāo)分類:	Y47    人造革、合成革
行業(yè)分類:	GB    國(guó)家標(biāo)準(zhǔn)
ICS分類:	59.080.40 59.080.40    涂覆織物 59.080.40
發(fā)布機(jī)構(gòu):	國(guó)家市場(chǎng)監(jiān)督管理總局 國(guó)家標(biāo)準(zhǔn)化管理委員會(huì)
發(fā)布日期:	2021-12-31
實(shí)施日期:	2022-7-1
標(biāo)準(zhǔn)狀態(tài):	valid
翻譯語(yǔ)言:	英文
文件格式:	PDF
中文字符數(shù):	12000 字
翻譯價(jià)格(元):	790.0
交付時(shí)間:	付款后 1~3 個(gè)工作日

1 Scope This document specifies the general technical requirements, test methods and inspection rules for polyurethane synthetic leather for automobiles. This document applies to polyurethane synthetic leather for automobiles made of cloth base, polyurethane resin and other main raw materials, by wet or dry polyurethane coating and post-processing. 2 Normative references The contents of the following documents constitute the essential provisions of this document through the normative references in the text. Among them, note the date of the reference document, only the corresponding version of the 8 issues apply to this document; not note the 8 issues of the reference document, its latest version (including all the revision of the list) applies to this document. GB/T 250-2008 Colour fastness test for textiles Grey samples for assessing discolouration Card. GB/T2912.1-2009 Determination of formaldehyde in textiles Part 1: Free and hydrolysed formaldehyde (water extraction method) GB/T2918-2018 Standard environment for conditioning and testing of plastic specimens GB8410 Combustion characteristics of automotive interior materials GB/T 16578.1-2008 Determination of the tear resistance of plastic films and sheets Part 1: Pant tear method GB/T 19942-2019 Leather and fur Chemical test Determination of prohibited azo dyes GB/T 38465-2020 Determination of the cold resistance of synthetic leather GB/T 38612-2020 Test methods for artificial leather and synthetic leather Determination of tensile load and elongation at break QB/T 2537-2001 Colour fastness test for leather Reciprocating rubbing colour fastness QB/T 2714-2018 Determination of fastness to fracture in physical and mechanical tests on leather QB/T 2726-2005 Determination of abrasion resistance in physical and mechanical tests on leather QB/T 4043 -2010 Polychlorinated ethylene artificial leather for automobiles QB/T 4671-2014 Test method for synthetic leather Determination of resistance to hydrolysis QB/T 4873 -2015 Synthetic leather test method Laboratory light exposure method QB/T 5068 -2017 Synthetic leather test method for the determination of fogging properties QB/T 5157- -2017 Test method for synthetic leather of artificial leather Determination of colour migration QB/T 5354- 2018 Test method for synthetic leather: Determination of volatile organic compounds. QB/T 5447- -2019 Test method for synthetic leather, determination of odour QC/T 941- 2013 Test method for the determination of mercury in automotive materials QC/T 942- 2013 Test method for hexavalent chromium in automotive materials QC/T 943- 2013 Test methods for lead and cadmium in automotive materials 3 Terminology and definitions There are no terms and definitions in this document that need to be defined. 4 Technical requirements The physical and chemical properties shall conform to the provisions of Table 1. 5 Test methods 5.1 Cutting of specimens A sample of each batch shall be cut along the longitudinal direction to meet all the requirements of the test methods in this chapter. The sample shall be prepared by removing 50 mm of the width at each end of the sample in the transverse direction. 5.2 Conditioning and test environment Unless otherwise specified, the specimen should be GB/T 2918- -2018 in accordance with the provisions of the temperature of 23 C to 2 C, relative humidity of 50% to 10% of the standard environment for state conditioning, the time should not be less than 4h, and in this environment for the test. 5.3 Tensile load and elongation at break The test shall be conducted in accordance with the provisions of method A of GB/T 38612- 2020. 5.4 Tear load Test according to the provisions of GB/T 16578.1- 2008. The test speed is 200 mm/ min and 10 mm/ min, and the test result is the arithmetic mean of the maximum load of three specimens, accurate to 0.1 N. 5.5 Abrasion resistance The test was carried out in accordance with QB/T2726-2005. CS10 grinding wheel, load weight 1000g, equipment friction rotation speed 70r/min, 4000 rpm of friction. At the end of the test, the specimen was removed and the abrasion resistance of the specimen was visually determined according to Table 2. 5.6 Fastness to folding Test according to QB/T2714-2018 in the dry state. 5.7 Hydrolysis resistance Test according to QB/T 4671- 2014, method A, test time 1334 h, after the test according to GB/T 250- 2008 After the test, the fading grade shall be determined according to GB/T 250-2008. 5.8 Cold resistance Test according to the provisions of method A in GB/T38465-2020. 5.9 Chemical media resistance The test shall be carried out in accordance with the provisions of 6.29 of QB/T 4043- 2010. 5.10 Lightfastness The test shall be carried out in accordance with the provisions of test method A in QB/T 4873- 2015, where A2 is selected as the test condition. 5.11 Thermal ageing resistance The test shall be carried out in accordance with the provisions of QB/T 4043- 2010, 6.24. The oven temperature is 100 C to 2 C and the test time is 168 h. After the test, take out the specimen and make the following judgment: Observe the surface changes of the specimen and visually determine the level of discolouration under the standard light source according to GB/T250-2008, with the most serious surface discoloration as the test results. 5.12 Surface colour migration The test shall be conducted in accordance with the provisions of method A of QB/T5157-2017. 5.13 Colour fastness to rubbing Test according to the provisions of QB/T2537-2001. 5.14 Flame resistance Test according to the provisions of GB8410. 5.15 Fogging value Test according to the provisions of method B in QB/T5068-2017. 5.16 Odour Test according to the provisions of condition 4 of Table 1 in QB/T5447-2019. 5.17 Free and hydrolysed formaldehyde Test according to the provisions of GB/T2912.1-2009. 5.18 Decomposable aromatic amine dyes Test according to the provisions of GB/T 19942- 2019. 5.19 Heavy metals 5.19.1 Hexavalent chromium Test according to QC/T942-2013. 5.19.2 Lead Test according to QC/T 943- 2013. 5.19.3 Cadmium Test according to QC/T 943-2013. 5.19.4 Mercury Test according to QC/T941-2013. 5.20 Polybrominated biphenyls and polybrominated diphenyl ethers Test according to QC/T944-2013. 5.21 Volatile organic compounds Test according to the provisions of QB/T5354-2018. 6 Test rules 6.1 Batch quantity Products are accepted in batches. The same - - raw materials. The same - a formula, the same category, the same specification, the same process of continuous production of products for a batch, the number of each batch should not exceed 500 rolls. 6.2 Sampling method One sample shall be taken randomly from each batch. 6.3 Determination Rules If there are unqualified items in the test results, double samples shall be taken from the batch again, and the unqualified items shall be retested, and if still unqualified, the batch shall be unqualified.

1 Scope 2 Normative references 3 Terminology and definitions 4 Technical requirements 5 Test methods 6 Test rules

?1范圍 本文件規(guī)定了汽車用聚氨酯合成革的通用技術(shù)要求、試驗(yàn)方法和檢驗(yàn)規(guī)則。 本文件適用于以布基、聚氨酯樹脂等為主要原料,經(jīng)濕法或干法聚氨酯涂層以及后加工而制成的汽車用聚氨酯合成革。 2規(guī)范性引用文件 下列文件中的內(nèi)容通過(guò)文中的規(guī)范性引用而構(gòu)成本文件必不可少的條款。其中,注日期的引用文件,僅該8期對(duì)應(yīng)的版本適用于本文件;不注8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 250- -2008紡織品色牢度試驗(yàn) 評(píng)定變色用灰色樣 卡. GB/T2912.1--2009紡織品甲醛的測(cè)定第1部分:游離和水解的甲醛(水萃取法) GB/T2918-2018塑料試樣狀態(tài)調(diào)節(jié)和試驗(yàn)的標(biāo)準(zhǔn)環(huán)境 GB8410汽車內(nèi)飾材料的燃燒特性 GB/T 16578.1-2008塑料薄膜和薄片 耐 撕裂性能的測(cè)定第1部分:褲形撕裂法 GB/T 19942--2019 皮革和皮毛 化學(xué) 試驗(yàn)禁 用偶氮染料的測(cè)定 GB/T 38465-2020人造革 合成革試驗(yàn)方法耐寒 性的測(cè)定 GB/T38612-2020人造革合成革試驗(yàn)方法拉伸負(fù)荷及斷裂伸長(zhǎng)率的測(cè)定 QB/T 2537-2001 皮革色牢度試驗(yàn) 往復(fù)式摩 擦色牢度 QB/T 2714-2018皮革物理 和機(jī)械試驗(yàn)?zāi)?折牢度的測(cè)定 QB/T 2726-2005皮革物理 和機(jī)械試驗(yàn)?zāi)?磨性能的測(cè)定 QB/T 4043 -2010 汽車用聚氯乙 烯人造革 QB/T 4671-2014人造革合 成革試驗(yàn)方法耐 水解的測(cè)定 QB/T4873-2015人造革合成革試驗(yàn)方法實(shí)驗(yàn)室光源曝露法 QB/T 5068 -2017人造革合成革試驗(yàn)方法成霧性的測(cè)定 QB/T 5157- -2017人造革合成革試驗(yàn)方法顏 色遷移性的測(cè)定 QB/T 5354- 2018人造革合成革試驗(yàn)方法揮發(fā)性有機(jī)化合物的測(cè)定. QB/T 5447- -2019人造革合 成革試驗(yàn)方法氣味 的測(cè)定 QC/T 941- 2013汽車材料中汞的檢測(cè)方法 QC/T942-2013汽車材料中六價(jià)鉻的檢測(cè)方法 QC/T 943- 2013 汽車材料中鉛、鎘的檢測(cè)方法 3術(shù)語(yǔ)和定義 本文件沒(méi)有需要界定的術(shù)語(yǔ)和定義。 4技術(shù)要求 理化性能應(yīng)符合表1的規(guī)定。 5試驗(yàn)方法 5.1試樣的裁取 每批產(chǎn)品沿縱向裁取作為試驗(yàn)的樣品,數(shù)量應(yīng)滿足本章中全部試驗(yàn)方法的要求。在樣品橫向兩端各除去寬50mm后制備試樣。 5.2試樣狀態(tài)調(diào)節(jié)和試驗(yàn)環(huán)境 除另有規(guī)定外,試樣應(yīng)按GB/T 2918- -2018 的規(guī)定,在溫度23 C士2 C、相對(duì)濕度50%士10%的標(biāo)準(zhǔn)環(huán)境下進(jìn)行狀態(tài)調(diào)節(jié),時(shí)間不應(yīng)少于4h,并在此環(huán)境下進(jìn)行試驗(yàn)。 5.3拉伸負(fù)荷及斷裂伸長(zhǎng)率 按GB/T 38612- 2020 中A法的規(guī)定進(jìn)行試驗(yàn)。 5.4撕裂負(fù)荷 按GB/T 16578.1- 2008 的規(guī)定進(jìn)行試驗(yàn)。試驗(yàn)速度200 mm/ min士10 mm/ min,試驗(yàn)結(jié)果取3個(gè)試樣最大負(fù)荷的算術(shù)平均值,精確至0.1 N。 5.5 耐磨性 按QB/T2726-2005的規(guī)定進(jìn)行試驗(yàn)。采用CS10磨輪,負(fù)荷重量1000g,設(shè)備摩擦旋轉(zhuǎn)速度 70r/min,摩擦轉(zhuǎn)數(shù)4000轉(zhuǎn)。試驗(yàn)結(jié)束后取下試樣,查看試樣表面的靡損程度根據(jù)表2規(guī)定目視判定試樣的耐磨性等級(jí)。 5.6 耐折牢度 按QB/T2714-2018中干態(tài)的規(guī)定進(jìn)行試驗(yàn)。 5.7耐水解性 按QB/T 4671- 2014 中A法的規(guī)定進(jìn)行試驗(yàn),試驗(yàn)時(shí)間1334 h,試驗(yàn)后按GB/T 250- 2008 的規(guī) 定判定變褪色等級(jí)。 5.8耐寒性 按GB/T38465-2020中A法的規(guī)定進(jìn)行試驗(yàn)。 5.9耐化學(xué)介 質(zhì)性能 按QB/T 4043- 2010 中6.29的規(guī)定進(jìn)行。 5.10耐光性 按QB/T 4873- 2015 中試驗(yàn)方法A的規(guī)定進(jìn)行試驗(yàn),其中試驗(yàn)條件選擇A2。 5.11耐 熱老化性能 按QB/T 4043- 2010中 6.24的規(guī)定進(jìn)行。烘箱溫度為100 C士2 C ,試驗(yàn)時(shí)間:168 h。試驗(yàn)結(jié)束后,取出試樣,作以下判定: 觀察試樣表面變化,按GB/T250-2008的規(guī)定,在標(biāo)準(zhǔn)光源下目測(cè)判定變褪色等級(jí)，以最嚴(yán)重的 表面變色作為試驗(yàn)結(jié)果。 5.12表面顏色遷移性 按QB/T5157-2017中A法的規(guī)定進(jìn)行試驗(yàn)。 5.13耐摩擦色牢 度 按QB/T2537-2001的規(guī)定進(jìn)行試驗(yàn)。 5.14阻 燃性 按GB8410的規(guī)定進(jìn)行試驗(yàn)。 5.15霧化值 按QB/T5068-2017中B法的規(guī)定進(jìn)行試驗(yàn)。 5.16氣味 按QB/T5447-2019中表1的條件4的規(guī)定進(jìn)行試驗(yàn)。 5.17游離和水解的甲醛 按GB/T2912.1-2009的規(guī)定進(jìn)行試驗(yàn)。 5.18可分解芳香胺染料 按GB/T 19942- 2019 的規(guī)定進(jìn)行試驗(yàn)。 5.19 重金屬 5.19.1六價(jià)鉻 按QC/T942-2013的規(guī)定進(jìn)行試驗(yàn)。 5.19.2鉛 按QC/T 943- 2013 的規(guī)定進(jìn)行試驗(yàn)。 5.19.3鎘 按QC/T943-2013的規(guī)定進(jìn)行試驗(yàn)。 5.19.4汞 按QC/T941-2013的規(guī)定進(jìn)行試驗(yàn)。 5.20多 溴聯(lián)苯和多溴二苯醚 按QC/T944-2013的規(guī)定進(jìn)行試驗(yàn)。 5.21揮發(fā) 性有機(jī)化合物 按QB/T5354-2018的規(guī)定進(jìn)行試驗(yàn)。 6檢驗(yàn)規(guī)則 6.1 批量 產(chǎn)品以批為單位進(jìn)行驗(yàn)收.同- - 原料.同-一配方、同一類別、同一規(guī)格、同一工藝連續(xù)生產(chǎn)的產(chǎn)品為一批,每批數(shù)量應(yīng)不超過(guò)500卷。 6.2 抽樣方法 從每批產(chǎn)品中隨機(jī)抽取1個(gè)樣品。 6.3判定 規(guī)則 檢驗(yàn)結(jié)果中若有不合格項(xiàng),應(yīng)再?gòu)脑撆谐槿‰p倍樣品,對(duì)不合格項(xiàng)進(jìn)行復(fù)檢,若仍不合格，則該批為不合格。