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White Powder 258.24 Molecular Weight High Purity Kalf4 Potassium Cryolite
White or light gray powder, slightly soluble in water.melting point is 560 ºC
Potassium Aluminum Fluoride (KAlF4) is a commercial grade fused solid, inorganic salt. The material serves as an alternative to conventional fluoride salts for a variety of applications, a few of which are listed below.
The size can be:1-3mm, 20, 40, 100, 200 and 325mesh. It is composed by KF-AlF3, Molecular rate near 1.2, melting point 557-580. Solubility in 1000g water: at 0: 0.8g; at 25: 1.42g, at 100: 4.58g.
In 25kgs plastic woven bag lined with high-pressure plastic film, or according to customer's requirements.
Items | Specification | Grade 1(white powder) | Grade 2(grey lump) |
Chemical Compositions(%) | F(%) | 49-53 | 49-51 |
Al(%) | 17-21 | 15-19 | |
K(%) | 28-33 | 27-35 | |
SiO2(%) | 0.20 | 0.50 | |
Fe2O3(%) | 0.05 | 0.20 | |
SO4(%) | 0.20 | .050 | |
Moisture(%) | 1.00 | 1.00 | |
Bulk Density | 0.6-1.0g/L | 0.6-1.0g/L | |
PH | 6.0-6.5 | 6.0-6.5 |
1. It is used directly in magnesium rich aluminium alloys to remove and control of magnesium in the aluminium alloys. .
2. It is used in the manufacture of grinding wheels (filler/binder) and other abrasive products.
3. Other common applications of PAF are as additive to roofing shingles, where it acts as an alkaline Ph adjuster and flame retardant. It can also be used as color additive to the coatings for roofing granules.
4. Glass producers use the PAF for opacification, or to cloud the glass giving it a milky white color.
1. Do you provide samples?
We can supply you samples definitely. Sample testing is one of the standards to reassure customersCustom-made and Special Design are available.
2. How is your price? What is your payment term?
For Orders, our payment term is T/T 30% in advance and the balance 70% before loading. Other payment terms can be negotiable.
3. What is your minimum order quantity?
MOQ can be negotiable, in order for customer's benefit and for our long term cooperation
4. How long for manufacturing the order?
10-20days after receiving deposit.
5 .How can we guarantee quality?
Always a pre-production sample before mass production,
Always final inspection before shipment
