GB/T 39365-2020.Leather-Physical and mechanical tests-Determination of dry heat resistance.GB/T 39365规定了皮革耐干热性的试验方法。GB/T 39365适用于各种类型的皮...
GB/T 39373-2020.Leather- Tests for colour fastness- Colour fastness to solvents.GB/T 39373规定了皮革耐溶剂色牢度的测试方法。GB/T 39373适用于未使用和未被清洗...
GB/T 39374-2020.Leather- -Physical and mechanical tests-Determination of bending force.GB/T 39374规定了皮革弯折力的试验方法.GB/T 39374适用于各种类型的皮革弯折...
GB/T 39023-2020/ISO 1 1540:2014.Writing and marking instruments-Specification for caps to reduce the risk of asphyxiation.GB/T 39023规定了书写和记号工具降低窒息风险的...
GB/T 39375-2020.Leather-Physical and mechanical tests-Determination of dimensional change.GB/T 39375规定了皮革尺寸变化的测定方法。GB/T 39375适用于各种类型的皮革...
GB/T 39507-2020.Leather-Physical and mechanical tests- Determination of abrasion resistance : Martindale ball plate method.GB/T 39507规定了马丁代尔球盘法测定皮革耐磨性...
GB/T 39368-2020.Leather-Physical and mechanical tests-Determination of flex resistance : Vamp flex method.6试验步骤6.1移开夹具(4.1.1)的 上部,调整每对夹具至最大分离...
GB/T 39369-2020.Leather-Physical and mechanical tests-Determination of water vapour permeability.GB/T 39369规定了皮革透水汽性的测定方法.GB/T 39369适用于各种类型皮...
GB/T 39372-2020.Leather-Physical and mechanical tests-Determination of percentage extension.5.2试样 的制备用模刀(4.3)从粒面切取6个试样,其中3个试样的长边平行于...
GB/T 39376-2020.Leather- Sampling -Number of items for a gross sample.1范围GB/T 39376规定了从生产批中抽取整张样品数量的方法.GB/T 39376适用于各种类型皮革产...
