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Feed Grade Bulk Magnesium Sulfate Monohydrate Powder
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FAQ

  • Quality Assurance

    ISO, FAMIQS, SGS, FDA

  • Package

    Phosphate: 25kg/bag, 50kg/bag, 1100kg/bag, 1200kg/bag, 1250kg/bag or as your request.
    Trace element: 25kg/bag, 50kg/bag, 1200kg/bag, 1350kg/bag or as your request.
    Amino acid:25kg/bag, 600kg/bag or as your request.
    Vitamin:1kg/bag, 25kg/bag, 25kg/drum ect.
    Protein: 25kg/bag, 50kg/bag, 600kg/bag, Unpackaged or as your request.

  • Delivery Time

    About 10-30days.

  • Modes of transport

    By air, by sea or by train.

  • Payment Term

    Pre-T/T OR LC at sight.

  • Packaging and storage

    Most pre-mixed packaging bags use three-in-one paper bags, which have the advantages of waterproof, light-proof, no leakage and not easy to damage. Generally 20-25 kg/bag. Since the premix contains a variety of active micro-components, the chance of their interaction will increase, so care should be taken to prevent moisture during storage.
     

  • Measurement and mixing

    For the measurement of micro-components, electronic scales should be used, accurate to 0.01 grams, and large amounts of raw materials can be used on scales. There are many kinds of mixers. Ordinary vertical mixers are prone to shortcomings such as automatic separation and slow discharge speed due to their slow feeding speed. It is best to use a horizontal double ribbon mixer or a cone mixer.

  • Amino acid addition problem

    Many experiments have confirmed that adding rumen bypass methionine and lysine can increase milk production and economic benefits. This can be added by dairy farms according to specific conditions.

  • Stability of trace components

    Under normal storage and use conditions, the physical and chemical properties of trace elements, vitamins and other components in the premix are stable, but when the moisture content is high, the stability is poor and the loss rate is large. Strictly control the water content of the premix, preferably not more than 5%.
     

  • Production technology

    Prevent and reduce the loss of active ingredients and ensure the stability and effectiveness of the premix. Choose raw materials with good stability. In terms of vitamins, it is better to choose stabilized raw materials; when using sulfate trace elements, the crystal water should be minimized, or oxides should be used instead, organic trace elements can also be selected; control choline chloride The amount of alkali, because of its strong water absorption, has a destructive effect on vitamins; vitamins should be added in excess, especially when the storage time exceeds 3 months; good quality antioxidants, anti-caking agents, and anti-fungal agents should be added.

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Feed Grade Bulk Magnesium Sulfate Monohydrate Powder

5 0 Reviews
Availability:
Color: white 
Sales Models: wholesale 
Min Order: 20mt 
Shelf Life: two years when properly stored. 
Packing: net 25kg/50kg/1000kg/1200kg/1250kg in Plastic woven bags with PE lining. 
Storage: stockpiled at the ventilated place, avoiding rain, moisture and insolation. Please handle with care to prevent bag damage, store away from toxic substances.
Inquire Add to Basket

  • MgSO4/%≥86.00

  • POLIFAR

  • 283321

【Product name】

Magnesium Sulfate feed grade/fertilizer grade/industrial grade

【Chemical formula】

MgSO4 •H2O/MgSO4 •3H2O/MgSO4 •5H2O/MgSO4 •7H2O

【CAS】

14168-73-1

【Product performance】:

  • Magnesium Supplementation


Magnesium is an essential element for bone formation and muscle contraction in livestock and poultry. Adding magnesium sulfate (or Epsom salt) to feed can provide animals with various enzymes. These enzymes are involved in energy metabolism, bone synthesis, and other related behaviors.


  • Neuromuscular Regulation


Feed-grade magnesium sulfate supplements can maintain normal nerve conduction and muscle function, preventing muscle tremors, twitches, and spasms caused by magnesium deficiency (such as grass twitching in ruminants).


  • Digestive System Function


Magnesium sulfate powder regulates intestinal osmotic pressure, promotes gastrointestinal motility, prevents constipation, and improves feed digestibility and utilization.


  • Skeletal Development


Magnesium sulfate monohydrate helps in the normal formation of bones and cartilage, reduces skeletal deformities, and improves eggshell quality in poultry.


  • Reproduction and Immunity


Enhances livestock and poultry reproductive performance (increases milk and egg production), alleviates heat stress, and improves immunity and resistance.

【Storage】

Stockpiled at a ventilated place, avoiding rain, moisture, and insolation. Please handle with care to prevent bag damage, and store away from toxic substances.

【Packing】

Net 25kg/1200kg in Plastic woven bags with PE lining.

【Loading】

24-25MT/20FCL'; 22-23MT/20FCL' with pallets.

【Shelf Life】

Two years when properly stored.


Grade   Item

Magnesium Sulfate   Heptahydrate

Magnesium Sulfate   Pentahydrate

Magnesium Sulfate   Trihydrate

Magnesium Sulfate Monohydrate

Appearance

White Crystals

White powder Or   granule

White   powder Or granule

White powder Or   granule

Assay/%

≥99.50

≥99.00

≥99.00

≥99.00

MgSO4/%

≥48.59

≥56.00

≥68.00

≥86.00

MgO/%

≥16.24

≥19.00

≥22.70

≥28.60

Mg/%

≥9.80

≥11.31

≥13.65

≥17.21

PH(5% Solution)

5.0~9.2

5.0~9.2

5.0~9.2

5.0~9.2

Iron(Fe)/%

≤0.0015

≤0.0015

≤0.0015

≤0.0015

Chloride(Cl)/%

≤0.014

≤0.014

≤0.014

≤0.014

Heavy metal(as Pb)/%

≤0.0006

≤0.0006

≤0.0006

≤0.0006

Arsenic(As)/%

≤0.0002

≤0.0002

≤0.0002

≤0.0002

Note: When a user with special requirements for fineness, negotiated by the supply and demand sides


Q1: What is the main function of feed-grade magnesium sulfate monohydrate?

A1: Feed-grade magnesium sulfate monohydrate is mainly used to supplement the nutritional needs of animals for magnesium. Magnesium is an essential trace element for animal growth and health and plays an important role in nerve conduction, bone formation, and energy metabolism.


Q2: How is feed-grade magnesium sulfate monohydrate different from other forms of magnesium additives?

A2: Feed-grade magnesium sulfate monohydrate is generally more soluble and more easily absorbed and utilized by animals than other forms of magnesium additives, such as magnesium oxide or magnesium chloride. Therefore, its use in animal feed may be more effective.



Q3: Can you provide the product specifications, COA, minimum order quantity, price, and delivery time for feed-grade magnesium sulfate monohydrate?


A3: Feed-grade magnesium sulfate monohydrate has a main content of MgO ≥ 27%, Mg ≥ 16.5%, and strictly complies with feed-grade standards for heavy metals such as arsenic, lead, and fluorine. The Polifar team can provide the latest COA, ex-factory price/FOB/CIF price, with a standard minimum order quantity of one container. We have ample stock, and the standard delivery time is 7–15 days. In case of special circumstances, details will be discussed further.



Q4: Does this product comply with national standards/EU FAMI-QS/FDA and other feed additive standards? Can you provide relevant qualification certificates?


A4: The magnesium sulfate monohydrate powder provided by Polifar strictly adheres to Chinese feed additive standards. We can provide quality inspection reports, production licenses, FAMI-QS, FDA, and other qualification documents, meeting the market access requirements for export to the EU, Southeast Asia, the Middle East, and South America.



Q5: How hygroscopic and caking-prone is magnesium sulfate monohydrate under high temperature and humidity conditions? Does it affect its use?


A5: Chinese feed-grade magnesium sulfate powder, through optimized processing, exhibits low hygroscopicity and is less prone to clumping. Under normal sealed storage conditions, it maintains good flowability. In high-temperature and high-humidity environments, enhanced moisture protection is recommended, but this will not affect normal use.



Q6: How stable is the compatibility of magnesium sulfate monohydrate with vitamins, trace elements, and amino acids in premixes?


A6: Feed additive magnesium sulfate monohydrate is stable and exhibits good compatibility with vitamins, trace elements, and amino acids. It is unlikely to react and destroy nutrients, making it suitable for widespread use in premixes and concentrates.


Photos of the feed additive exhibition we participated in

Polifar: Your Hassle-Free Procurement Officer for Feed Additives Worldwide

As your dedicated feed additive procurement partner in China, Polifar is committed to being your "Hassle-Free Procurement Officer". Beyond offering a full range of feed additives, food ingredients, and veterinary products, we address every pain point in your procurement journey through our mature service system:

  • For distributors: We provide one-stop integration solutions to reduce capital occupation and management costs.

  • For farmers: We offer end-to-end technical support from product selection to application, ensuring stable farming efficiency.

  • For large enterprises: We guarantee stable supply and in-depth formulation services to keep your supply chain under control.

  • For food processors: We implement strict batch control and provide complete compliance documents to meet high downstream standards.

We believe that true professionalism goes beyond the product itself — it lies in delivering a seamless procurement experience where you can "find the right product, get things done smoothly, and stay supported every step of the way".


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