Vietnam Tapioca starch and chips Harvest area : 138,800 ha. Production : 2,000,000 tons. Harvest period: 8-10 months, from March, April. Main varieties: KM94, KM95, and KM96. 1: Vietnam Tapioca starch Specifications: - Starch content : 85% min. - Moisture : 13% max. - SO2 : 30 ppm max. - Whiteness : 92% min. - PH : 5 - 7 - Ash content: 0.2% max.