Leather materials that are used at shoes, slippers, sandals, clothing, briefcases, handbags, belts, gloves, etc., should be test physical feature and strength resistances.
Physical test
01::: Rubber density
02::: Thickness
03::: Hardness
04::: Tensile strength
05::: Percentage extension
06::: Tear strength
07::: Flex resistance
08::: Sole flex resistance
09::: Resistance to separation of the upper from the outsole