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21% Feed Grade Zinc Sulphate Heptahydrate Crystal
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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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21% Feed Grade Zinc Sulphate Heptahydrate Crystal

5 0 Reviews
Availability:
Color: White crystals 
Sales Models: wholesale 
Min Order: 10mt 
Shelf Life: Two years when properly stored 
Packing: Net 25kg/1000kg/1200kg 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

  • Zinc(Zn)/% ≥21

  • POLIFAR

  • 283329

【Product name】: Zinc Sulphate crystal heptahydrate feed grade /fertilizer grade


【Chemical formula】: ZNSO4•7H2O


【CAS】: 7446-20-0


【Product performance】:


Feed grade zinc sulfate heptahydrate is often used as an animal feed additive to supplement animals’ zinc needs and promote animal growth and health. Its purity and heavy metal content are often more strictly regulated to ensure safety for animals and the environment.


Industrial grade zinc sulfate heptahydrate is usually used in industrial production, such as as a catalyst or raw material in metal processing, chemical industry and other industrial fields. Its purity requirements are generally lower, but it still plays an important role in specific industrial applications.


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


【Packing】: Net 25kg/1000kg/1200kg in Plastic woven bags with PE lining


【Loading】: 27MT/20FCL'; 25MT/20FCL' with pallets


【Shelf Life】: Two years when properly stored


Testing Item

 Standard

Result

Zinc sulfate/%

≥97.3

97.9

Zinc(Zn)/%

≥21

21.4

Arsenic   (As)/%

≤0.0005

0.0003

Heavy   Metal (Pb)/%

≤0.0010

0.0004

Cadmium(Cd)/%

≤0.0010

0.0008

Water Insoluble/%

≤0.05%

0.018%

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


Q1: What is the difference between zinc sulfate and zinc sulfate heptahydrate?

A1: Zinc sulfate and zinc sulfate heptahydrate are two different forms of the same chemical compound, zinc sulfate. The key difference lies in their hydration states. Zinc sulfate heptahydrate is a hydrated form of zinc sulfate, meaning it contains seven water molecules (heptahydrate) per molecule of zinc sulfate. In contrast, zinc sulfate without the heptahydrate designation typically refers to the anhydrous form, which contains no water molecules.

The presence of water molecules in zinc sulfate heptahydrate affects its physical properties such as appearance, solubility, and stability. The heptahydrate form appears as white crystalline granules or powder and is more soluble in water compared to anhydrous zinc sulfate. The anhydrous form may appear as a white powder or colorless crystals. In applications such as agriculture and animal nutrition, the heptahydrate form is often preferred due to its higher solubility, making it easier to incorporate into feed formulations or dissolve in water for foliar application.


Q2: Is zinc sulfate heptahydrate safe?

A2: Yes, zinc sulfate heptahydrate is generally considered safe when used according to recommended guidelines. It is commonly used in various applications, including agriculture, animal nutrition, pharmaceuticals, and water treatment.

In animal nutrition, zinc sulfate heptahydrate is often added to feed formulations to meet the dietary zinc requirements of livestock and poultry. When used at appropriate levels, it can help maintain animal health, support growth and development, and prevent zinc deficiency-related issues.

However, as with any chemical substance, it's essential to handle zinc sulfate heptahydrate with care and follow proper safety precautions during handling, storage, and usage. Overexposure or ingestion of large amounts may lead to adverse effects, including gastrointestinal upset. Therefore, it's crucial to adhere to recommended dosage levels and consult with experts or regulatory guidelines to ensure safe and effective use in various applications.


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Zinc Sulfate Crystal Zinc Sulfate Heptahydrate Zinc Sulfate Zinc Sulphate Heptahydrate Crystal Feed Grade Zinc Sulfate Heptahydrate Feed Grade Zinc Sulfate Heptahydrate Crystal 21% Zinc Sulfate Heptahydrate Crystal 21% Zinc Sulfate Heptahydrate 21% Feed Grade Zinc Sulphate Heptahydrate Feed Grade Zinc Sulphate Heptahydrate Crystal
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