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Whether filling your car's gas tank at the local station, receiving a bank statement or buying a ski lift ticket, thermal reactive paper is used to generate a printed receipt, statement, or copy. BASF thermal paper grades provide a high level of surface smoothness and wax absorption, which are highly desirable for producing a quality print. Because at BASF, we create chemistry for a sustainable future.

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Kaolin for thermal paper

We create chemistry that makes mines love reclamation

Leading the thermal paper market

Thermal papermakers worldwide recognize BASF's Ansilex® as a leader in the calcined kaolin market. From point-of-sale (POS) receipts to lottery tickets and labels, the applications for thermal paper continue to grow.

The precoat layer of the thermal paper is where kaolin is used, specifically to create a smooth printing surface and also to insulate the heat of the thermal printhead.

Meanwhile, our hydrous kaolin-based topcoats help to prevent head deposits on the thermal paper print heads.

Products & Families

Ansilex 93

Premium brightness calcined kaolin

Ansilex® 93 calcined kaolin has high brightness with fine particle size. The unique coating morphology (bulk and porosity) generated by Ansilex® 93 enhances aesthetics and printability. It is ideal for improving opacity, brightness, smoothness, ink receptivity, blister resistance, glueability, binder migration and printability. As a paper filler, Ansilex® 93 imparts cost-effective opacity and brightness in wood free and mechanical pulp furnishes.

Typical Properties
GE BRIGHTNESS	92.7%
AVG. PARTICLE SIZE	88% <2µm
PH LEVEL7	7

ASP® for Thermal Paper

Standard & Premium Brightness for Thermal Paper

BASF Kaolin provides a range of ASP® hydrous kaolin grades designed specifically for the thermal paper market. Using kaolin-based topcoats helps prevent head deposits on the thermal paper print heads.

ASP® 079

Premium brightness kaolin for thermal paper

Ease of dispersion and handling make this kaolin well-suited for various converting operations. The good rheology, fine particle size distribution, high brightness and whiteness of ASP 079 can be used enhance functionality and aesthetics in thermal pers (both direct and indirect).

Typical Properties
GE BRIGHTNESS	90%
AVG. PARTICLE SIZE	92% <1µm
PH LEVEL7	7

ASP® 109

Standard brightness kaolin for thermal paper

ASP 109 can be dispersed in water at solids concentrations of 70% or higher depending on the equipment. Ease of dispersion and handling make this kaolin well-suited for various converting operations. The good rheology, fine particle size distribution, consistent brightness can be used to enhance functionality and aesthetics in thermal papers (both direct and transfer).

Typical Properties
GE BRIGHTNESS	87%
AVG. PARTICLE SIZE	2.0µm
PH LEVEL7	7

ASP® 179

Premium brightness kaolin for thermal paper

ASP 179 kaolin is a premium brightness, fine particle size kaolin. It is produced from select crudes that are subjected to fractionation and benefication processes to control particle size distribution and achieve a premium brightness level.

Typical Properties
GE BRIGHTNESS	86%
AVG. PARTICLE SIZE	92% <2µm
PH LEVEL7	7

ASP® 609

Standard brightness kaolin for thermal paper

ASP® 609 kaolin is a standard brightness kaolin product. The crude utilized in the production of ASP 609 is subjected to fractionation to control particle size distribution and to beneficiation processes to ensure consistent brightness.

Typical Properties
GE BRIGHTNESS	86%
AVG. PARTICLE SIZE	2µm
PH LEVEL7	7

ASP® 809

Coarse Particle Size Delaminated Kaolin

ASP 809 is a coarse particle size delaminated coating kaolin. ASP 809 is produced from selected coarse particle size kaolins that are mechanically delaminated, which separates stacked kaolin booklets into individual platelets. Fractionation and beneficiation processes are employed to control particle size and brightness.

Typical Properties
GE BRIGHTNESS	85%
AVG. PARTICLE SIZE	50% <2µm
PH LEVEL7	7

ASP® G99

Premium brightness kaolin for thermal paper

ASP G99 is a premium brightness ultra-fine particle size pigment. It is processed using BASF patented technology that produces a very fine particle size distribution. Using ASP G99 can be a cost-effective means to achieve the desired properties of the top coat in thermal paper without interfering with the print quality.

Typical Properties
GE BRIGHTNESS	90%
AVG. PARTICLE SIZE	70% <0.3µm
PH LEVEL7	7

ASP® NC X-9

Delaminated kaolin for thermal paper

ASP® NC-X9 kaolin is a standard particle size delaminated coating pigment. It is produced from selected coarse particle size kaolin crudes that are mechanically delaminated, which separates stacked kaolin booklets into individual platelets and creates a high aspect ratio.

Typical Properties
GE BRIGHTNESS	88%
AVG. PARTICLE SIZE	80% <2µm
PH LEVEL7	7