Product description:

Oilfield Auxiliary - Hydrolysis polyacrylnitrile, sodium salt

I. Characteristics: pale yellow powder, insoluble in water, aqueous solution is alkaline

II. Composition: outcome of polyacryylonitrile hydrolyzed by solium hydroxide

III. Use: mainly used in filtration reducer for water-base drilling liquid, with viscosity reducting character, capable to resist 250^οC in diluted cement slurry.

IV. Quality standard: Sy5062-85
1. Properties and indexes of drilling fluid:

Item		Value
Fresh water base solution	Filtration, ml	25±2
	Apparent viscosity, mPa·s ≤	7.0
Add 2.0g/L of Na-HPAN in fresh water base solution	Filtration, ml≤	13.0
	Apparent viscosity, mPa·s ≤	10.0
Fresh water base solution	Filtration, ml	55±3
	Apparent viscosity, mPa·s ≤	8.0
Add 15.0g/L of Na-HPAN in fresh water base solution	Filtration, ml≤	13.0
	Apparent viscosity, mPa·s ≤	10.0

2. Physicochemical properties & standard:

Item	Value
Purity % ≥	85.0
Water content % ≤	7.0
Residual alkali % ≤	2.5
Finness (passing 10mesh sieve)%	100
Appearance	freely flowing granules or powder

V. Packing: Packed in polypropylene woven bag lined with polyvinyl plastic bag. Net weight: 25 kg/bag.

VI. Attention: Store in ventilated and dry places. Protect it from moisture and rain.