Main Properties Buff to tan color powder S.G.: 2.5-2.7 PV/YP ratio: < 3 API F/loss: 15cc Max. Residue greater than 75au: 2 % max. Application Viscosifier Reduces API F/loss Used as spud mud. Packing 25kg / 50kg HDPE bags / 1000kg Big bag. Customised packing.