We are the largest perlite mining firm in the philippines and the biggest perlite manufacturer that manufacture perlite filter aid, expanded perlite, insulation (pipe cover and boards) and patching compound. We are currently selling them at the following price listingsPerlite filter aids - $10. 5 USD / bag weight 20kg / bag packed either polyethelyn / paper bag packagingPerlite patching compound- $9 USD / bag weight 20kg / bag packed either (paint fillers and putty) polyethelyn / paper bag packagingPerlite insulations- $750 USD / cubic meter volume (sizes is available upon request for either boards or pipe cover) Expanded perlite- $8 USD / bag of 100 li / bag packaging or 10 kgs / bagPerlite sand (raw unscreened sundried and crushed perlite) - $80 USD / metric tonOther prices is available upon formal request. Discounts is negotiable upon the confirmation of the quantity of final orders.