Humic acid is a large molecular organic substance widely used in nature. It is widely used in various fields, such as agriculture, forestry, animal husbandry, petroleum, chemical, building materials, medicine and health, environmental protection and so on. Especially now, we advocate the construction of ecological agriculture, pollution-free agricultural production, green food, pollution-free and environmental protection, which make humic acid highly respected. Facts have proved that human life and survival can not be separated from humic acid.
Humic Acid
Type
Granular
Powder1
Powder2
Organic Matter (Dry Basis)
90% min.
90% min.
90% min.
Humic Acid (Dry Basis)
70% min.
75% min
70% min.
Moisture
15% max
15% max
20% max
Ash
---
10% max
10% max
Residue on Sieve (0.5 MM)
---
5% max
5% max
Size
2--5 MM
---
---
Size Rate
90% min
---
---
Specific Gravity (G/CM3)
0.65
0.75
0.75
Ignition Point
540
520
520
Packing
25 KG Kraft paper bag
Usage
Used as Humic Acid fertilizer, soil ameliorator, plant growth stimulation, fertilizer efficiency promoter.
Storage
Keep in sealed and damp proof place
The effect of humic acid is remarkable, which is good for producing green healthy food, reducing environmental pollution and reducing the cost of farmers' production. Cannot be applied on the same farmland for a long time.
Water soluble humic acid can enhance the absorption of nitrogen and potassium, promote the decomposition of phosphorus, cultivate soil fertility and promote the development of crop roots.
Humic Acid powder,Water Soluble Fulvic Acid,Organic Fertilizer Humic Acid,humic acid granular Hebei Woldi Trading Co.,LTD , https://www.woldigroup.com
With 10 years experience, more than 80,000 sqm production area and 90 technical workers LURUN had sold out more than 5 million pieces manhole covers in year of 2016. 
Class
Application Area
Class A15
green belt, no motor vehicles on sidewalks and other areas
Class B125
sidewalks, non-motor vehicles, car parking and underground parking.
Class C250
residential district, street and lane, only light vehicle or car traveling area, the road on both sides of curbs within 0.5m
  Class D400Â
City main road, roads, highways and other areas.
  Class E600
freight stations, docks, airports and other areas
 Class F900
airport runways and other areas.
It was made from pure resin and poly fiber with steel frame inside.
This innovative material can provide a high quality standard of using
We cover a 50 thousand square meter plant who now is the most professional manufacturer of composite infrastructure products.
There are 12 hydraulic pressure machines ranges from 200 tons to 1,600 tons and more than 500 molds for different products,
 a 100 tons' load capacity testing facility.
Our composite manhole covers is well used in Real Estate Project,Road Safety area and Power plant.
Zibo LuRun Building Materials CO.,LTD. is located in Zibo city, the tourist destination of Shandong Province. The company is founded in 2000, with 50 millions registered capitals. The company is specialized production enterprise which the research, development, production, sale of the energy-saving materials as a whole.
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As one of the largest and  professional manufacturer of composite products such as FRP/Fiberglass Manhole Covers, Gratings, Trench covers etc. We LURUN Construction Materials Co., Ltd. assure you the most competitive price, best quality manhole covers. Â