PU Shoe Lining Leather Wet Process PU Embossed Shoe Lining Leather is very popular for making shoe lining. PU synthetic leather has good breathability, moisture permeability, high strength, good elasticity, pretty folding resistance and abrasion resistance. Furthermore, they are also very lightweight, which is the best material of shoe lining leather. Form1: Product Technics Classification Classification Code nameNormal shoe lining leather( including the PU Pearl leather)L1Bronzing shoe lining leatherL2Single-sided scratch Simi-finishedB1Impregnation scratch Simi-finishedB2From 2: Products' deviation of thickness, width and lengthNameThickness(mm)Width(mm)Length(m)Specification Deviation Max Size Deviation Length Deviation Normal shoe lining leather 0.6-1.0± 0.05≤1500±20≤500The negative deviation is prohibitedBronzing shoe lining leather Single-sided scratch Simi-finished Impregnation scratch Simi-finished From 3: Appearance RequirementsItem No.Item IndicatorsIIISubstandard goods1Chromatic Aberrationunobviousunobviousobvious2FlawNo ≥0.05m2 sundriesNo ≥0.05m2 sundries within per 10m2 3Lengthwise WrinkleunobviousA little obviousA little obvious4SmoothnesssmoothSlight unsmoothSlight unsmoothForm 4: Physical and Mechanical PropertiesItem No.Test itemsIndicatorsL1, L2B1, B21Tensile Load(N/cm)Warp and weft≥40≥502Elongation (%)Warp and weft≥15≥153Tear Load (N/cm)Warp and weft≥16≥164Peel Load(N/25mm)Warp and weft≥10≥135Surface Color Fastness(Grade)(Dry Friction)≥46Heat-resistant adhesiveness (Grade)≥4 We can provide the product according to customers' samples, if any product interest of you, please contact us.