silk screen scraping gum hardness range: tolerance + / - 3 A.

55-65 - A  belongs to low hardness rubber, suitable for medium pressure, the low wire mesh cloth, low viscosity inks, printing on the surface of the irregular.

70 A- 75 A  belongs to the stencil, suitable for high pressure and all kinds of mesh screen cloth and high viscosity ink of various printed materials.

80 A  - 95A  belongs to the high hardness of the stencil, suitable for high pressure, suitable to all type of wire mesh cloth and high viscosity of the fine print ink printing, high resolution, low ink deposition.

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