... . custom design ; 4.OEM is welcome Materials Comply with ROHS, Silicone (VMQ), or NBR, EPDM, Viton, etc.Characteristics high and low ... , red, yellow, grey, purple, pink or as your requested.Quantity Small order is accepted.Sample charge Free samples are available if ... for production mold, and 25 days for complicated injection mold. /silicone gasket/small rubber o ring/silicone o ring/rubber o rings