Description:
STARCH API is drilling-grade pre-gelatinized starch with enviromental friend biocide. It meets API standard and is free flowing powder without lumps.
Application:
STARCH API is designed to provide API fluid loss controlling and rheological stability for water-base drilling fluids. It is effective additive in the fluids containing NaCl, KCl, MgCl2, CaCl2 or combinations of electrolytes.
Physical requirements:
Viscometer dial reading at 600 r/min
— in 40 g/l salt water:
18 max
— in saturated salt water:
20 max
Filtrate volume
— in 40 g/l salt water:
10 ml max
— in saturated salt water:
10 ml max
Residue greater than 2 000 μm:
no residue
Packing:
STARCH API is packed in 25 kg net sacks, 30 sacks per pallet.
