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 Products
ADC foaming agent
1. Product description:
Chemical formula: C2H4O2N4, molecular weight: 116, it is light yellow powder.
2. Quality standard:
Meet the standard of HG/T 2097-1991 for first-quality products; or upon clients' request.
Item |
Spec. |
Best quality |
First quality |
Qualifier |
Appearance |
light yellow powder |
Gas generation volume, ml/g |
215 |
210 |
200 |
Decomposition temp. °C |
200-210 |
≥200 |
|
Finess |
Residue on sieve (sieve pore 38µm ), %≤ |
0.1 |
0.2 |
1.0 |
Average size( Dn ), µm ≤ |
12 |
- |
- |
Heating loss, % ≤ |
0.15 |
0.25 |
0.30 |
Ash, %≤ |
0.10 |
0.10 |
0.20 |
Purity, % ( ADC ) ≥ |
97.0 |
95.0 |
3. Use:
ADC foaming agent is widely used in PVC, polyethylene, polypropylene, polystyrene etc. as well as in slippers, soles, plastic wall paper, ceiling etc. ADC foaming agent is stable, non-inflammable, non-toxic and odorless, non corrosive to mould.
4. Packing & storage:
In woven bag with PE lining; or in compound paper bag.
5. Storage: In airy, cool and dry place.
Sodium fluoride
1. Properties:
Sodium fluoride is anhydours and white crystal or powder. Molecular formula is NaF, molecular weight is 42, specific weight is 2.6, insoluble in water.
2. Quality standard :
Meet the national standard of GB4293-84 for first-quality products.
Item |
Content |
First quality |
Sodium fluoride assay(NaF) |
% ≥ |
98 |
SiO2 content |
% ≤ |
0.5 |
SiO4 content |
% ≤ |
0.3 |
Acid (HF ) content |
% ≤ |
0.1 |
Na2CO3 content |
% ≤ |
0.5 |
Water insolubles |
% ≤ |
0.7 |
Water(H2O) |
% ≤ |
0.5 |
3. Use:
1.Sodium fluoride is an important fluorine salt mainly used in water treatment agents, wood preservation, ceramics pigments etc.
2.Used in pesticides and bactericides.
3.As UF3 adsorbent in nuclear industry, or in the manufacture of other fluoride
materials or in porcelain enamel and pharmaceutical industry.
4. Packing & storage: In PE woven bag with plastic lining, net weight is 25KG (export).
White carbon(precipitation method)
1. Product name: White carbon, also named silica hydrated white carbon black
2. Property: Main composition is SiO2, molecular formula is SiO2nH2O, it is white and light, particle size is less than 0.0003cm, m.p. is 1750 ?, highly insulative, insoluble in water or acids, soluble in caustic soda and hydrofluoric acid, won't be decomposed in high temperature.
3. Use: As filler of rubbers, plastics, coatings, paints and synthetic resins; lapping agent or metals; or used in the manufacture of film release agent and white pigments etc.
4. Quality: Meet the requirements of GB1057-89
SiO 2 % |
Residue on sieve
45um |
Heating loss % |
Loss on ignition %
|
PH-value
|
Total copper content
mg/kg |
Total manganese content
mg/kg |
Total iron content
mg/kg |
DBP absorption value
Cm 8/g |
> 90 |
<0.5 |
4-8 |
<7 |
5.8 |
< 80 |
< 50 |
< 1000 |
2-3.5 |
5. Storage & packing: It is non-toxic and harmless, non-inflammable and non-explosive; net weight is 20 kg, packed in woven bag with plastic lining; avoid moisture.
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