... country)Structure of materialsOil colophony, additive, EVA, quartz sand, micro-glass bead etc.Technical guide lineDensity: 1.8-2.3Soft point 90 ... (min) ≤3Intensity of anti-press Mpa ≥12Content of micro-glass bead 18-22Stability of heating (200220) that keep 4h in the ... the adhesive force between paints and ground, boardcast specialties micro-glass bead to the face of line, colour and luster is cleaning ...