Caprolactam Grade Ammonium Sulphate

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Product Description:

Caprolactam grade Ammonium sulphate 21%(AS/SOA)

Technical specifications of Ammonium Sulphate( National Standard GB535-1995)


Supreme grade

First grade

Qualified grade


White crystal,no visible mechanical impurity

no visible mechanical impurity

no visible mechanical impurity

N content(dry basis),%       ≥




Water content(H2O),%        




Free acid(H2SO4)content,%    ≤




Fe content, %                 ≤




As content,%                  ≤




Heavy metal(Pb)content,%    ≤




Water insolubles,%            ≤




Note: When ammonium sulphate is used in agriculture,it is not necessary to check the content of Fe,As,heavy metal and water insolubles.

Application: Used for chemical fertilizers and for production of complex fertilizers,potassium sulphate,ammonium chloride and ammonium persulpate,ect. Also can be used for food processing,textile industry,medical industry and leather processing.

Storage and transportation: Stored in cool,dry and ventilated warehouse. It must not be put together with Alkali stuffs,such as lime,cement,etc.Do not expose it to sunlight and rain during transportation .Do not damage the packing bags.

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Q:Shaanxi hundred generations of cocoa fertilizer bacteria bacteria bio-fertilizer why is wet?
Any factory can produce organic fertilizer can not be wet, which does not meet the production standards, is not conducive to organic fertilizer to save, you can contact the manufacturers, if you really have to produce it is wet, basically do not fly
Q:Whether the sale of bio-fertilizer is exempt from VAT
According to the Circular of the State Administration of Taxation on the exemption of value-added tax on organic fertilizer products (Cai Shui [2008] No. 56), the document states that "bio-organic fertilizer refers to the specific functional microorganisms and the main animal and plant residues , Crop straw, etc.) as the source and harmless treatment, the decomposition of organic materials from a combination of microbial fertilizer and organic fertilizer effect of fertilizer. "In addition," the State Administration of Taxation on organic fertilizer products exempt from value-added tax (Guo Shui Han [2008] No. 1020) pointed out that "the State Administration of Taxation on the organic fertilizer products exempt from value-added tax notice" (Finance [2008] No. 56) provides that the enjoyment of tax-free organic fertilizer products is Refers to organic fertilizers, organic - inorganic compound fertilizers and bio - organic fertilizers. Its product implementation standards: organic fertilizer NY525-2002, organic - inorganic compound fertilizer GB18877-2002, bio-organic fertilizer NY884-2004. Other products that do not meet the above criteria are not included in the financial and taxation [2008] 56 document of organic fertilizer products, should be in accordance with the existing provisions of the collection of value-added tax.
Q:What is biofuel? What is the best to ferment bio-fertilizer?
Bio-fertilizer, the use of organic fertilizers and inorganic fertilizers, and accompanied by a variety of microbial or high-energy compounds available, very popular with farmers, the effect is more obvious, one can improve soil physical and chemical properties, enhance water retention, fertilizer performance Continuous fertilization capacity; the second is a significant inhibition of cotton, melon fusarium wilt and rice sheath blight and other diseases, enhance the ability to resist; third is to improve the quality of crops, especially for watermelon, sugar cane, strawberry and other fruits Sweetness is very obvious; four is to promote crop yield, the general application of bio-organic compound fertilizer than a single application of fertilizer yield of about 10%; five is to reduce the agricultural environment pollution, can produce a large number of pollution-free food. Can produce bio-fertilizer material is very much, such as livestock and poultry manure, bad slag, silt,
Q:Want to open a bio-fertilizer organic fertilizer plant, what procedures are required
First registered the establishment of the company, Development and Reform Commission for the record, do EIA report, land use procedures to produce organic fertilizer but also to the soil fertilizer station testing, a temporary permit
Q:What bio-fertilizer is used in lotus field
Qin Shi, re-top dressing. New lotus field top dressing to be early, the number should be more, fertilizer should be large. Generally in the plant growth period 3-4 times the top dressing, each time every 667 square meters topdressing manure 1000-1500 kg. In addition to the lack of fertilizer phenomenon, in addition to diligence, re-application of top dressing, but also should pay attention to spraying disease prevention agents to control the spread of infectious diseases.
Q:The quality of the role of bio - fertilizer
From the way bio-fertilizers can be learned, bio-fertilizers can not directly provide nutrients (including nitrogen, phosphorus, potassium and various mineral elements) that are absorbed by the crop, but are produced by a large number of active microorganisms in the soil. Assisting the crop to absorb nutrients or produce growth hormone to stimulate the growth of the crop, which is essentially different from the way the fertilizer is applied. And bio-fertilizer can provide fertilizer efficiency can not meet the needs of crop growth on nutrients. Therefore, the view that bio-fertilizers can replace fertilizers is a misunderstanding, and some of the biological fertilizer mysterious, known as "high-tech" products, infinitely exaggerated its role is also wrong in the use of bio-fertilizer in agricultural production and The use of fertilizers should complement each other. But bio-fertilizer is not environmental pollution, is conducive to the protection of the ecological environment, and some of the role of bio-fertilizer and ecological benefits are not available or irreplaceable fertilizer.
Q:Bio - fertilizer can be mixed with chemical fertilizers
Bio-organic fertilizer can be mixed with fertilizer application, and biological fertilizer is not suitable for mixed fertilizer application (fertilizer will kill beneficial bacteria).
Q:What is the industry of bio-fertilizer technology Co., Ltd.
August 1 began to increase the camp will expand to the country. At present, most provinces and cities in OKorder and OKorder have already reformed. Technology services provided by the technical services to pay VAT, the tax rate of 6%, if meet certain conditions, some projects can be tax-free. Enterprise income tax is only 25% of the time, but if you apply to high-tech enterprises, you can get 15% tax rate, if you can get the key software business qualification, you can enjoy 10% tax rate.
Q:What are the benefits of biological fertilizers?
o increase the soil fertility application of nitrogen fixation microbial fertilizer, can increase the nitrogen source in the soil; dissolved phosphorus, dissolved potassium microbial fertilizer, can be difficult to dissolve the soil phosphorus and potassium decomposition into crops can absorb the use of phosphorus and potassium compounds, Improve crop nutrition conditions.
Q:Bacteria fungus biological fertilizer is good, how much money a ton
A pile of five hair

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