Description:
WELAN GUM is a high molecular weight biopolymer fermented by Alcaligenes bacteria. Compared to Xanthan gum, it provides better thermal stability and may be utilized in deep wells drilling.
Application:
WELAN GUM biopolyer is a high efficiency, pseudoplastic viscosifier and suspension agent used in water based drilling, workover and completion fluids. Welan gum is also used in hydraulic fracturing fluids and cementing grouts.
Physical requirements:
Appearance:
tan colored powder
Moisture :
13% max
pH:
6.0-8.0
Bulk density:
500-700kg/m3
Packing:
WELAN GUM is packed in 25 kg paper sack, 20 or 40 sacks per pallet.
