Potassium Sulphate 17IX (Tech Grade)

Description

Product Name: SOP-17IX 0-0-53 (with 18% Sulphur)
Alternate Names: Potassium Sulphate (K₂SO₄ / SOP)

CHEMICAL COMPOSITION	UNIT	TYPICAL	TARGET
Potassium Sulphate (K2SO4)	%	99.70	99.30 min
K2O Equivalent	%	53.70	53.00 min
Potassium (K)	%	44.70	44.50 min
Total Sulphate (SO4)	%	55.00	54.50 min
Chloride (Cl)	%	0.02	0.05 max
Sodium (Na)	%	0.04
Sulphur (S)	%	18.30	18.00 min
Moisture (H2O)	%	0.05
Insolubles – in water	%	0.15	0.20 max
pH – in water at 25 °C (5.0% Solution)		7.00	6.00 – 9.00
Magnesium (Mg)	%	0.01
Calcium (Ca)	%	0.02
Iron (Fe)	%	0.01

PARTICLE SIZE, PERCENT CUMULATIVE
US MESH	UNIT	SCREEN OPENING	TYPICAL	TARGET
+ 40	%	0.422 mm	0	0 – 5
+ 50	%	0.297 mm	15	2 – 30
+ 70	%	0.211 mm	40	25 – 60
+ 100	%	0.152 mm	65	50 – 75
+ 140	%	0.104 mm	80	70 – 90
+ 200	%	0.075 mm	90	80 – 95
SGN			17	12 – 25

PHYSICAL PROPERTIES
	UNIT	TYPICAL	TARGET
Bulk Density	kg/m3	1506	1442 – 1794
	lb/ft3	94	90 – 112
Colour		Off-white (with pink cast)
Angle of Repose	degrees	40.4

Note: All of the above results are based on the analysis of a composite sample.
Individual samples may fall outside the specified typical.