Potassium Sulphate for agricultural use
　　Other name：Arcanum duplicatum; arcanumduplicatum; dipotassiumsulfate; Glazier's salt; kaliumsulphuricum; Potassium sulfate, alpha; potassiumsulfate(2:1); Potassium Sulfate
　　CAS No.: 7778-80-5
　　EINECS No.: 231-915-5
　　HS No.：3104300000
　　Molecular Formula:、K₂SO₄    
　　Molecular weight: 174.24
　　1. Appearance: colourles scrystals or white granule or crystalline powder
　　2. Specifications:
　　Quality standards：GB/T20406-2006

Item                     Index	Powder			Granule
	Superior	First	Qualified	Superior	First	Qualified
	product	grade	product	product	grade	product
Potassium Chloride content (as dry basis), wt%≥	50	50	45	50	50	40
Chloride as Cl，wt % ≤	1	1.5	2	1	1.5	2
Loss on drying(at 105°C, wt%≤	0.5	1.5	3	0.5	1.5	3
Free acid(as H2SO4 ) , wt%≤	1	1.5	2	1	1.5	2
Particle size(φ1.00～5.60mm) , wt%≥	-	-	-	90	90	90

　　3. Packaging: Net25kg/50kg plastic woven bags lined with plastic bags, can also package according to customer request
　　4. Uses:
　　4.1, use in fertilizer. K2SO4 does not contain chloride, which can be harmful to some crops. Potassium sulfate is preferred for these crops, which include tobacco and some fruits and vegetables. Crops that are less sensitive may still require potassium sulfate for optimal growth if the soil accumulates chloride from irrigation water.
　　4.2, used as a flash reducer in artillery propellant charges. It reduces muzzle flash, flareback and blast overpressure.
　　4.3, used as an alternative blast media similar to soda in soda blasting as it is harder and similarly water-soluble.
　　5.Storage: Stored in cool and ventilated, avoid light place.
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