Lignin
Introduction
The product is made of sulfite pulp waste through three processes, which are choiceness, condensation and desiccation respectively.
CAS No.: 8061-52-7
Properties
Appearance: Light brown free-flowing powder with a very slight odour.
Boiling Point: 104 deg C
Solubility in water: Sol. g/l (25 deg C)
Commodity
There are three products in our company, which are Calcium lignosulphonate (S-1, S-2) and Magnesium lignosulphonate. The specifications of the products are displayed as follows:
(1) Calcium lignosulphonate
|
|
S-1 (low sugar) |
S-2 (high sugar) |
|
Appearance |
Light yellow powder |
Light yellow powder |
|
Water content |
7.0% max |
7.0% max |
|
PH |
5-7 |
5-7 |
|
Reducing matter |
12% max |
16-18% |
|
Water insoluble matter |
1.5% max |
1.5% max |
(2) Magnesium lignosulphonate
|
Dispersion force (with the standard product)% |
100 min |
|
Heat-resistant stability 130 deg C |
4-5 |
|
Content of sodium sulphate% |
7 max |
|
Content of calcium and magnesium% |
0.6 max |
|
Content of water insoluble substance% |
1.5 max |
|
Content of reduzate% |
4.0 max |
|
Moisture% |
5.0 max |
|
PH value (1% aqueous solution) |
8.0-11.0 |
Application
1. Water-reducing agent
1) Used in prefabricated or fresh concrete construction.
2) Used in preparation of antifreezing, pump-deliverable water reducing agent.
3) Used in preparation of different type of water reducing agent.
2. Adhesive
1) To improve recovery rate in refinery process.
2) To improve the products' strength and prevent cracks.
3) To reduce the viscosity of clay and improve the product yields in the ceramic fabrication.
4) To added with phenol type additives in electrolysis
Packing: 25kg, 800kg |
