SiLiBeads type P precision glass beads are used for many applications requiring high precision in diameter and or sphericity. For example: closing balls, mixing balls, ball bearings.

SiLiBeads P-type precision glass beads are offered in high quality soda lime glass or borosilicate glass.

SiLibeads type P glass beads achieve the highest precision in diameter and sphericity thanks to a special grinding process.

Thus, the Pharma-type Silibeads beads are available in all the desired diameters between 0.7 and 50 mm. A tolerance in diameter and roundness

The beads are available in soda-lime glass or borosilicate glass. The surface finish can be matte or glossy. Colored glass beads are also possible.

Areas of use:

Thanks to their chemical resistance, Silibeads type P Pharma beads can be used in aggressive or corrosive products.

Closure balls

Silibeads Type P glass beads are used as sealing beads for ink cartridges, dispensers in the cosmetic or food industry.

Silibeads Type P glass beads are frequently used in metering pumps.

Ball bearings

Silibeads Type P glass balls are used in ball bearings requiring the use of materials resistant to corrosion and / or having excellent chemical resistance.

Mixing balls

Silibeads type P Pharma glass beads are widely used in the pharmaceutical industry as a mixture ball. For example, insulin vials contain a borosilicate glass bead, which provides a uniform mixture of insulin by shaking the vial.

Main advantages:

- Precision in diameter and freely selectable in the size range d = 0.7 - 50 mm

- Tolerances for small diameter balls: for single balls dK ≤ 20 µm and lots L ≤ 20 µm

- Form index, sphericity d MAX - d MIN ≤ 20 µm

- Quality of the surface finish: matte, satin or shiny (Ra

- Lack of adhesion or inclusion

- No air bubble ≥ 0.5 mm, very low percentage of balls with air bubbles dB≤ 0.5 mm

- Compliant for food contact application

Video presentation :

Other videos:

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