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Connection technology

Glasblazerij Jaap de Graaf B.V. has in-depth knowledge and expanded production possibilities for compounding glass and other materials. A lot of materials and components can be connected with each other. In order to do this, we use the following connections technologies:

  • Precision gluing;
  • Melting;
  • Soldering.

The most common connections are:

  • Glass types and (noble) metals;
  • Different glass types.

It is important to optimize the materials which can be connected, while considering the expansion coefficient viscosity and the connection temperatures. Materials which are often used are:

  • Glass;
  • Platina;
  • Tungsten;
  • Molybdenum;
  • Dumet thread.

A helium leakage test is used to see whether the products have leaks for (ultra)high vacuum applications.

After production, the products can be used immediately because of a thorough cleaning and accurate packaging. Cleaning and packaging possibilities will be determined in consultation with the customer.


  • Analytics;
  • Sensors;
  • Medical;
  • Microfluid;
  • Defence;
  • Semiconductor;
  • Opto electronics.

We produce the most functional, clean and reliable connections. There are many other markets in which our techniques can be applied besides the previously mentioned markets.

Do you have a great idea or do you want to know which possibilities we offer? Don’t hesitate and contact us immediately.

We gladly help you with clear precision.

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    Glasblazerij Jaap de Graaf B.V.

    Molenkamp 2 - 4
    5674 TJ Nuenen
    T: +31 040 - 28 440 11