本帖最后由 dh969 于 2011-5-12 09:27 编辑 {:6_84:}Our company (Goizper S.Coop.) manufactures agricultural sprayers. During the life time of the sprayer there are some parts of it that can be eroded by the action of small particles in the pesticides or dirty water. There is a WHO (World Health Organization) standard whichindicates that the erosion test should be made using a mixture of water withsilica powder 20g/ltr. We need this Silica powder to make many erosion test to our equipment andthe characteristics of the silica powder required are this ones:-Bulk density: 160 Kgr/m3-Specific gravity: 1,95-Average particle size: 0,022 microns-Surface area: 140-160 m2/Reference product: HI-SIL 233The address of our company is:Goizper S.Coop.c/Antigua no14Antzuola (Guipúzcoa)SpainIt′s near Bilbao.Best regards.I?igo Garmendia (Head of innovation projects)Email：igarmendia@olaker.com
