1.Size:12-325mesh1-3,2-4,3-5mm 2.Color:gray.green,white,pink 3.Origin:Henan,china 4.MOQ:20TONS 5.Payments term:T/T L/C We supply raw perlite ,expanded perlite ,perlite powder ,perlite filter aid , Perlite casting slag sand Wecome to enquiry 1.Perlite Feature:poisonless,tasteless,staleless,nonconbustible,acid-resistant,alkali-resistan 2.Specification:Perlite sand(unexpanded perlite,raw perlite ): ...