potassiumfluosilicate Price — China Factory EXW 2026

potassiumfluosilicate price Spec: China national standards

China EXW, VAT excluded

Newest China EXW USD 70.8 / MT · VAT excluded unchanged as of 20210323

Newest Price 70.8

Price Date 20210323

Day's Change 0

Day's Range 70.8 - 70.8

Month's Change +480.82

Month's Range 70.8 - 551.62

Year's Change -340.71

Year's Range 70.8 - 411.5

Geographic concentration matters too. Producers near phosphate clusters in Hubei, Guizhou, and Yunnan have a logistics advantage for domestic buyers. For export, the dangerous good...

Also known as potassium hexafluorosilicate, dipotassium hexafluorosilicate, dipotassiumhexafluorosilicate(2-), hexafluoro-silicate(2-dipotassium

Opinions

What are the main application segments for potassium hexafluorosilicate beyond traditional uses?

Geographic concentration matters too. Producers near phosphate clusters in Hubei, Guizhou, and Yunnan have a logistics advantage for domestic buyers. For export, the dangerous goods classification adds freight and documentation costs, which can erode margins for smaller traders.

What are the key supply and demand drivers for potassium hexafluorosilicate in China?

The optical-grade KSF phosphor requires high purity, which is a different supply chain from industrial-grade material. Buyers should watch for quality certifications and particle size consistency, as these directly affect color performance. Price premiums for phosphor-grade product can be significant.

How does the production process of potassium hexafluorosilicate affect its market pricing?

Because supply is a by-product, prices can swing with phosphate fertilizer economics. When phosphate plants run at lower rates, fluorosilicate availability tightens, pushing prices up. Buyers should track phosphate operating rates as a leading indicator for procurement planning.

potassiumfluosilicate price context

What drives potassiumfluosilicate prices

What are the main application segments for potassium hexafluorosilicate beyond traditional uses?: Geographic concentration matters too. Producers near phosphate clusters in Hubei, Guizhou, and Yunnan have a logistics advantage for domestic buyers. For export...

What are the key supply and demand drivers for potassium hexafluorosilicate in China?: The optical-grade KSF phosphor requires high purity, which is a different supply chain from industrial-grade material. Buyers should watch for quality certifica...

How we assess potassiumfluosilicate price

China factory / mainstream market EXW quotes (VAT excluded where shown) - not a single global public index

Regional and specification detail so buyers can compare like-for-like grades

Landed cost figures from our calculator are planning estimates, not a customs ruling

Overview

Potassium hexafluorosilicate (K₂SiF₆, CAS 16871-90-2) is a white crystalline powder, slightly soluble in water, with a density of 2.665 g/mL at 25°C. It functions as a versatile industrial fluoride salt used in metallurgy, ceramics, and chemical processing.

Wood preservation: acts as a wood preservative agent.
Metallurgy: used as a flux for aluminum and magnesium alloy smelting.
Agriculture: applied as an insecticide.
Ceramics & glass: used in optical glass manufacturing, synthetic mica, and porcelain enamel production.
Welding: serves as a raw material for electrode coatings.

China's production is largely derived as a byproduct from phosphate and superphosphate plants, where fluorosilicic acid reacts with potassium chloride or carbonate. Domestic output is primarily industrial grade, with a well-established export channel for hazardous material shipping (UN 2655, Class 6.1, Packing Group III). Market reports indicate ongoing capacity expansion and technical process improvements.

Key domestic producers:
Hunan Zhonglan New Materials – operates a 4,800 t/y potassium hexafluorosilicate line.
Do-Fluoride New Materials – diversified fluorochemical producer including potassium hexafluorosilicate.

Properties

Name

potassiumfluosilicate

potassium hexafluorosilicate

dipotassium hexafluorosilicate

dipotassiumhexafluorosilicate(2-)

hexafluoro-silicate(2-dipotassium

CAS Number

16871-90-2

EINECS No.

240-896-2

Risk Codes

S26;S45

Safety Description

23/24/25

HS Code

2826900000

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