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S i n o m a g c h e m
plant nutrition
Animal Nutrition
functional materials

plant nutrition

ern ree reliels re nroede thi ear on dare mnnyof fertilizers, the improvement of product quality and the sustainable development of agriculture.

Magnesium sulfate monohydrate
Magnesium sulfate heptahydrate
magnesium oxide
other

● Fertilizer Grade Products

Magnesium nutrition and the application of magnesium fertilizers have long been key concerns in international agronomy and soil & fertilizer science.

According to the *Nutrient Management Handbook* of the International Fertilizer Industry Association (IFA), magnesium is one of the essential nutrients for crop growth and a key component of chlorophyll in crops. It promotes the synthesis of plant substances, activates enzymes, stimulates root growth, increases crop yield, and improves crop quality. Magnesium fertilizers can be used alone or as components of compound fertilizers. Magnesium-containing fertilizers can also be used as acidic soil conditioners.

Features of granular products: low chlorine, low heavy metals, low free acid, free of chemical organic substances, good water solubility, non-caking, dust-free, good hardness, weakly alkaline;

Features of powdered products: low chlorine, low heavy metals, low free acid, free of chemical organic substances, good water solubility, non-caking, good fluidity, weakly alkaline.

SUPER KIESERITE POWDER

Super AA

MgSO4
(%min)		 Total MgO
(%min)		 Soluble MgO
(%min)		 Soluble S
(%min)		 Cl-
(%max)		 Moisture
(%max)		 Pb
(ppm max)		 As
(ppm max)		 Hg
(ppm max)		 Cd
(ppm max)		 PH
79 27 26.5 21 0.5 3 10 10 1 10 8-10
Size：
*Mesh Powder
*Natural powder: -0.3mm: 50%min; +0.3-3.0mm: 35%max; +3.0mm:15%max
* SG A：-0.1mm: 10%max; +1.0mm: 10%max
* SG B：-0.1mm: 10%max; +3.0mm: 10%max

Super A

MgSO4
(%min)		 Total MgO
(%min)		 Soluble MgO
(%min)		 Soluble S
(%min)		 Cl-
(%max)		 Moisture
(%max)		 Pb
(ppm max)		 As
(ppm max)		 Hg
(ppm max)		 Cd
(ppm max)		 PH
75 27 25 20 0.5 3 10 10 1 10 8-10
Size：
*Mesh Powder
*Natural powder: -0.3mm: 50%min; +0.3-3.0mm: 35%max; +3.0mm:15%max
* SG A：-0.1mm: 10%max; +1.0mm: 10%max
* SG B：-0.1mm: 10%max; +3.0mm: 10%max

SUPER KIESERITE GRANULAR

Super Granular A

Total MgO
(%min)		 Soluble MgO
(%min)		 Soluble S
(%min)		 Cl-
(%max)		 Moisture
(%max)		 Pb
(ppm max)		 As
(ppm max)		 Hg
(ppm max)		 Cd
(ppm max)		 PH Hardness
(N min)
27 23.5 18.5 0.5 5 10 10 1 10 8-10 50
Size(≥90%)：2-4mm / 2-5mm / 2-7mm

Super Granular B

Total MgO
(%min)		 Soluble MgO
(%min)		 Soluble S
(%min)		 Cl-
(%max)		 Moisture
(%max)		 Pb
(ppm max)		 As
(ppm max)		 Hg
(ppm max)		 Cd
(ppm max)		 PH Hardness
(N min)
27 22 17.5 0.5 5 10 10 1 10 8-10 50
Size(≥90%)：2-4mm / 2-5mm / 2-7mm

Super Blend Granular

Grade Total MgO
(%min)		 Soluble MgO
(%min)		 Soluble S
(%min)		 Cl-
(%max)		 Moisture
(%max)		 Pb
(ppm max)		 As
(ppm max)		 Hg
(ppm max)		 Cd
(ppm max)		 PH Hardness
(N min)
A 27 23.5 18.5 0.5 5 10 10 1 10 8-10 50
B 27 22 17.5 0.5 5 10 10 1 10 8-10 50
Size(≥90%)：2-4mm / 2-5mm / 2-7mm

P.S.: Super Blend Granular is specially used for NPK fertilizer blend

Normal Kieserite powder

Grade Total MgO
(%min)		 Soluble MgO
(%min)		 Soluble S
(%min)		 Cl-
(%max)		 Moisture
(%max)		 PH
A 27 25 20 0.5 3 8-10
B 27 20 16 0.5 3 8-10
C 27 17 13.6 0.5 3 8-10
D 27 15 12 0.5 3 8-10
Size：
*Mesh Powder
*Natural powder: -0.3mm: 50%min; +0.3-3.0mm: 35%max; +3.0mm:15%max

Normal Kieserite granular

Grade Total MgO
(%min)		 Soluble MgO
(%min)		 Soluble S
(%min)		 Cl-
(%max)		 PH Hardness
(N min)		 Size(≥90%)
A 27 20 16 0.5 8-10 50 2-4mm / 2-5mm / 2-7mm
B 27 18 14.4 0.5 8-10 50 2-4mm / 2-5mm / 2-7mm

● Fertilizer Grade Products

Magnesium sulfate heptahydrate is a water-soluble magnesium fertilizer. It can be blended with other element fertilizers to produce water-soluble fertilizers, or directly used as a magnesium and sulfur supplement fertilizer.

Grade Purity
(%min)		 MgSO4
(%min)		 MgO
(%min)		 Cl
(%max)		 Mg
(%min)		 PH
(5% H2O)		 Size(≥90%)
煅燒級 98 98 32.6 0.05 19.8 5.0-7.5 0.1-4mm
優(yōu)等級 99 48.48 16.23 0.05 9.7 5.0-7.5 0.1-4mm
標準級 98 47.99 16 0.05 9.6 5.0-7.5 0.1-4mm
合格級 95 46.00 15 0.05 9 5.0-7.5 0.1-4mm

● Fertilizer Grade Products

Magnesium oxide plays a vital role in promoting chlorophyll synthesis and improving crop quality. It also regulates the plant growth process, and is especially suitable for acidic soils.

★ Calcined Magnesium Oxide

MgO
(%min)		 SiO2
(%max)		 CaO
(%max)		 Fe2O3
(%max)		 Al2O3
(%max)		 L.O.I.
(%max)		 PH Size(≥90%)
90 4.5 3.5 1.0 0.5 5.0 8-11 80/100/200/325mesh
85 8.0 4 1.5 1.0 9.0 8-11 80/100/200/325mesh
60 15.0 6.0 1.5 1.0 28 8-11 2-4mm / 2-5mm / 2-6mm

● Other Magnesium-Containing Secondary & Trace Element Fertilizers

Magnesium-containing secondary and trace element fertilizers are compound fertilizers that supplement crops and soil with various secondary and micro nutrients, mainly magnesium.

★ Magnesium-Boron Compound Fertilizer

Grade Total MgO
(%min)		 S-B2O3
(%min)		 Moisture
(%max)		 PH Size(≥90%)
A 40 11 5-6 7-10 2-5mm
B 40 9 5-6 7-10 2-5mm
C 30 6 5-6 7-10 2-5mm
D C-MgO
(%min):30		 C-B2O3
(%min):3		 5-6 7-10 2-5mm

注：可提供其它規(guī)格產(chǎn)品的定制服務(wù)

★ 鎂鋅復合肥

Total MgO
(%min)		 Zn
(%min)		 PH Size(≥90%)
40.0 5.0 7-10 2-5mm

注：可提供其它規(guī)格產(chǎn)品的定制服務(wù)

★ 鎂硼鋅肥

Soluble MgO
(%min)		 S-B2O3
(%min)		 Zn
(%min)		 PH Size(≥90%)
20 0.5 0.5 7-10 2-5mm

注：可提供其它規(guī)格產(chǎn)品的定制服務(wù)