... size to be 0.5~1.5 mm; Two-component PU 2:1 material ratio is 2:1, EPDM granule and two-component PU2:1 material is 1:1 ... in weight. Use sprayer machine (we made it )to ... to contact international department of company:Add:West street ,Changjin town ,Jiangyin ,Jiangsu ,China ,214411 Tel/ Fax:+86-510-86315308 PU 1:2 ...