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Dithiophosphate 25, also known as Aerofloat 25, is a dithiophosphate-based collector for the flotation of non-ferrous metallic sulfide ores. Its main component is dimethyl phenyl dithiophosphate. The product is supplied as an oily liquid with a characteristic hydrogen sulfide odor and should be handled according to applicable chemical safety requirements.
Compared with many xanthate collectors, Dithiophosphate 25 has relatively weaker collecting power but better selectivity. This makes it suitable for complex sulfide ore processing, differential flotation, and separation circuits where mineral discrimination and concentrate quality are important.
Dithiophosphate 25 is mainly used for lead, copper, silver, and activated zinc sulfide minerals. It can provide stable flotation performance in neutral and slightly acidic pulp conditions and can be combined with other collectors according to the ore mineralogy and processing requirements.
Dithiophosphate 25 has a selective collecting effect on minerals such as galena, chalcopyrite, argentite, and activated sphalerite. It is suitable for polymetallic ores that require more precise separation between valuable sulfide minerals.
The product maintains reliable performance in neutral and slightly acidic pulp conditions. Under alkaline conditions, it has weaker collecting ability for pyrite and some other sulfide minerals, which may support selective separation in certain lead-zinc and copper-lead circuits.
Dithiophosphate 25 can be used in differential flotation processes where lead, copper, zinc, or silver minerals need to be separated step by step. Its performance should be evaluated according to pulp pH, mineral liberation, oxidation state, and reagent dosage.
Dithiophosphate 25 can be used together with xanthate collectors to balance collecting power and selectivity. It may also be combined with frothers, modifiers, or other specialized reagents to create a flotation scheme for complex or partially oxidized ores.
| Item | Specification |
|---|---|
| Product Name | Dithiophosphate 25 |
| Alternative Name | Aerofloat 25 |
| Main Component | Dimethyl phenyl dithiophosphate |
| Appearance | Oily liquid |
| Density | 1.17–1.20 g/cm³ |
| Active Ingredient | 60–70% |
| Water Solubility | Slightly soluble |
| Packing | 200kg plastic drum |
Dithiophosphate 25 is primarily used as a collector for:
Lead sulfide ore flotation
Copper sulfide ore flotation
Silver sulfide ore flotation
Activated zinc sulfide flotation
Lead-zinc separation
Copper-lead differential flotation
Complex polymetallic sulfide ore processing
Partially oxidized sulfide ore flotation
It can also provide a collecting effect for selected heavy metal oxide minerals under suitable conditions. For oxidized copper and lead ores, buyers can also evaluate Activator D2 as a separate specialized reagent.
Dithiophosphate 25 mainly functions as a collector, while a frother is used to control bubble formation and froth stability. Depending on the flotation circuit, it may be combined with:
Flotation modifiers and depressants
Dithiophosphate 25 and xanthate can perform different roles in the same reagent scheme. Dithiophosphate 25 contributes selectivity, while xanthate can provide stronger collecting power. The dosage ratio and addition sequence should be determined through laboratory testing and plant trials.
Dithiophosphate 25 is only slightly soluble in water. Unlike granular sodium xanthate products, it is generally added in its original form to the conditioning tank or ball mill according to the plant’s reagent preparation procedure.
Before use, operators should confirm:
Pulp pH and water quality
Mineral composition and liberation size
Addition point and mixing conditions
Required dosage and contact time
Compatibility with other collectors and modifiers
Storage and chemical handling requirements
The product should be stored and handled according to the supplier’s safety documentation and local regulations.
Dithiophosphate 25 is supplied in 200kg plastic drums. Buyers should confirm packaging, labeling, transportation, unloading, and storage requirements before placing an order.
Yantai Junbang Beneficiation Materials Co., Ltd. specializes in mining chemicals and mineral processing reagents. Its product range includes Dithiophosphate Collectors, xanthates, frothers, thiocarbamates, modifiers, and specialized flotation reagents.
JunBang can assist buyers in selecting a suitable collector according to ore type, pulp condition, separation target, dosage requirements, and packaging preference. Product samples and technical information can be requested before bulk purchasing.
Dithiophosphate 25 is used as a collector for lead, copper, silver, activated zinc, and other sulfide minerals, especially in complex polymetallic ore flotation.
Yes. Dithiophosphate 25 can function effectively in neutral and slightly acidic pulp conditions. The optimum pH and dosage should be confirmed through flotation testing.
Dithiophosphate 25 generally provides weaker collecting power but better selectivity than xanthate. It is suitable for separation circuits where mineral discrimination is important.
Dithiophosphate 25 is only slightly soluble in water. It is normally added in its original form to the adjustment tank or ball mill according to the process requirements.
The standard packaging is a 200kg plastic drum.
Yes. It can be combined with xanthate collectors to balance collecting strength and selectivity. The final reagent scheme should be based on laboratory and plant test results.
No. Dithiophosphate 25 is a dithiophosphate collector, while Activator D2 is a separate specialized flotation reagent. They have different product properties and application roles.
Tell us your ore type, mineral composition, pulp conditions, separation target, required dosage, and order quantity. JunBang can provide a suitable Dithiophosphate 25 collector solution for complex sulfide ore flotation.
