Inert ceramic balls

MTE Group
Boezemweg 5
3255 MC Oude-Tonge
The Netherlands

+31 10 231 0260

Inert ceramic balls

The MTE Rest-O-Cat® inert ceramic balls have become a standard for support of packed beds in the refinery and petrochemical industry due to their excellent quality and wide versatility. This range is developed and produced by MTE. The Rest-O-Cat® ceramic balls are inert to the process atmosphere; the spheres are neither affective nor affected by environments in which they are exposed in the advised applications.

The Rest-O-Cat® inert ceramic balls known and used worldwide because of MTE’s unique quality assurance system, optimized production methods and the ability to deliver various sizes of inert ceramic balls from stock to our costumers within a very short timeframe.
The standard Rest-O-Cat® 55 quality can be widely used in most chemical and petrochemical application as mentioned below, but for severe operating conditions or special mechanical requirements, MTE developed higher grades of inert support balls.
MTE products are also widely used in amongst other fertilizer, natural gas and industrial gas production plants.

Sizes on stock ceramic balls Rest-O-Cat® 55 & 70

mm2 - 45 - 79 - 1111 - 13

mm14 - 1718 - 2123 - 27

Sizes on stock ceramic balls Rest-O-Cat® 80

mm36 - 4046 - 50

About us

MTE Group provides mass transfer solutions. We are headquartered in the Netherlands with a technology centre and the largest warehouse in Western Europe.

The inert ceramic balls are available in big bags, drums or 20 kg bags. Contact our sales department for support or to order directly.


  • Hydrotreating, hydrocracking and hydrogenation
  • Reforming
  • Isomerization
  • Claus reactors
  • Gas Dryers and Air Purifiers


  • Perfect spherical shape
  • Excellent mechanical and physical properties
  • Unique batch traceability system
  • High availability and short delivery times

Other sizes are available on request. The mixture of clay can be adjusted to special requirements or demands in case of need. For additional information, support or (special) requests, please contact our sales department.


We are able to meet your urgent request 24/7, possible due to the large stock of products

Widely used

MTE’s Rest-O-Cat® catalyst support media is the most used brand in European refinery and petrochemical applications

100% traceability

We have an unique batch wise quality assurance system with 100% traceability

Got a mass transfer challenge?

We provide the solution!

Together we achieve optimum performance of your application(s). Please feel free to contact us with any mass transfer related challenge.

+31 10 231 0260


Boezemweg 5

3255 MC Oude-Tonge

The Netherlands