A white pigment made from zinc sulfide and barium sulfate that can be used as a partial substitute for titanium dioxide in plastic and coatings systems.

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An alternative white pigment

Lithopone is a co-precipitated zinc sulfide and barium sulfate combination, which can act as a cost-effective alternative for TiO2.

When used to partially replace TiO2 in some plastic systems, lithopone can help increase extruder yields and reduce processing costs. Plastic formulators using lithopone can also expect an improvement in product quality. A combination of lithopone and TiO2 can help reduce lacing and deliver an improvement in mechanical properties including higher ultimate elongation and impact strength.

For formulators producing powder coatings and emulsion paints, lithopone can be used as a TiO2 substitute to help reduce overall systems costs. Lithopone can also increase a coating&#;s lifetime by reducing in-film cracking and improving color retention.

Our lithopone products include Lithopone 30% DS. This organically coated pigment is suitable for matt and semi-gloss coating systems and can be used as a masterbatch grade for synthetic polymers. We also produce Lithopone 30% L &#; which is suitable for natural elastomers, jointing and sealing compounds.

Infobox on Lithopone Example of Lithopone Facts Origin - Stowage factor (in m3/t) 1,26 m3/t (bags) Humidity / moisture - Ventilation - Risk factors See text

Lithopone

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Description / Application

Lithopone is a white pigment (granular, white or greyish powder) consisting of a mixture of barium sulfate and zinc sulfide. It is used in interior paints and in some enamels. It is widely used for white paint, albeit now largely replaced by titanium dioxide.

Lithopone is produced by precipitation through filtering, heating and quenching works and used as a base for pigment in paint, inc, cosmetics and many other applications in the plastic industry. It is also used as a filler in paper, leather and linoleum. Its use has meanwhile mostly been replaced by Titanium Dioxide which is more durable.

It is a valuable pigment that is brilliant white with fine texture which is advantageous vs white lead. It mixes well with oils such as linseed oil or varnish, turns grey very fast in sunlight and white again in the dark.

Shipment / Storage / Risk factors

Absorbs carbon dioxide from the air. Insoluble in common organic solvents and water. Turns yellow on heating.

Reference is made to the relevant IMO regulations of hazardous cargo and applicable MSDS sheet.

Are you interested in learning more about lithopone powder? Contact us today to secure an expert consultation!