QB/T 4880-2015.Injection moulding plastic chairs.4.3.3折叠椅打开后, 运动部件之间的间隙可插入φ5 mm的圆杆,则应也可插入025 mm的圆杆。4.4 有害物质限...
QB/T 4879-2015.Extruded polypropylene foam sheet.1范围QB/T 4879规定了挤出聚丙烯发泡片材的分类.要求,试验方法、检验规则、标志、包装、运输、贮存...
QB/T 4878-2015.Expanded polypropylene for moulding.5.8 尺寸稳定性按照GB/T 8811 - 2008规定进行,温度(110+2) C,时间48 h.试样尺寸(100+1) mmx (100+1) mmx原厚,试...
QB/T 4745-2014.Tongue scraper.4.4安全指标舌刮器头部外形应光滑(具有特殊功能的设计除外),无锐边,无毛刺。舌刮器柄尾部形状不应对人体造成伤...
QB/T 4714-2014.Polyurethane synthetic leather for upholstery.5.8.1干摩擦按GB/T 3920-2008规定进行测定,取两块样品的最低值。5.8.2湿摩擦将白棉布浸入蒸馏水...
QB/T 4712-2014.Polyurethane synthetic leather for sofa.5.8接缝强度按QB/T 4043- 2010 中6.9的规定进行试验。缝纫机针脚密度调整至(32土2) 针/100mm,试验仪器夹...
QB/T 4702-2014.Electric heating element of rare earth integrated with thick film circuit.QB/T 4702规定了稀土厚膜电路电热元件的术语和定义、分类、命名与基本参...
QB/T 4558 - 2013/ISO 10765: 2010.Footwear - Test method for the characterization of elastic materials - Tensile performance.QB/T 4558规定了用负荷/延伸率图来测定鞋用弹性...
QB/T 4554-2013.Footwear - Chemical test method -determination of perfluorooctane sulfonate and perfluorooctanoate -LC-MS/MS.1范團QB/T 4554规定了鞋类和鞋类部件中全氟辛烷...
QB/T 4551 - 2013/ISO 10748:2011.Footwear - Test method for slide fasteners - Slider locking strength.3.4拉片puller连接在拉头上的塑料或金属片,便于使用者拉动。...