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The DOTEX material is a thermosetting composite material based on phenolic resin. Reinforced with fabric made from cotton or paper, these composite systems offer a cost-effective solution to many requirements in industrial companies.

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Material - Dotex

The properties of DOTEX materials offer:

  • Good mechanical strength

  • Good friction and sliding properties

  • Excellent insulating and cushioning properties

  • Excellent machinability

  • Temperature resistance up to approx. 120 °C

DOTEX 110 with cotton fabric is available not only as a plate but also as a tube.

Engineering plastics

DOGLAS & DOTEX material properties

  Application
temperature
(°C)
Compressive
strength
(N/mm2)
Flexural
strength
(N/mm2)
Thermal
conductivity
(W/mK)
Linear
thermal expansion
coefficient
(10-6 I/K)
Electrical
dielectric
strength
(KV/3mm)
Creepage current
resistance
Combustibility
UL94
  Permanent Short term at 23°C at 23°C          
DOTEX® 110 110 110 320 100 0.2 30 1.5 CTI 100 -
DOTEX® 120 120 120 300 135 0.2 30 10 CTI 100 -
DOGLAS® 155 155 210 250 130 0.3 22 36 CTI 600 V0
DOGLAS® 180 E 155 180 350 340 0.3 15 30 CTI 180 -
DOGLAS® 180 G 180 210 600 450 0.3 15 30 CTI 350 -
DOGLAS® 180 H 180 180 645 480 0.3 15 60 CTI 225 -
DOGLAS® 220 M 220 230 500 350 0.22 10 39 CTI 150 -
DOGLAS® 230 R 230 250 700 720 0.23 13 39 CTI 500 V0
DOGLAS® 230 230 250 450 450 0.23 13 30 CTI 200 -
DOGLAS® 240 240 250 400 120 0.3 15 15 CTI 450 V0
DOGLAS® 250 G 250 260 570 400 0.23 20 30 CTI 350 -
DOGLAS® 250 M 250 260 600 350 0.23 15 39 CTI 600 V0
DOGLAS® 250 HQ 250 260 660 780 0.23 12 39 CTI 500 -
DOGLAS® 280 300 320 500 250 0.3 10 20 CTI 600 V0

The values listed were determined on standard test specimens. The material properties may deviate from these values depending on the applications and component geometry. Please contact us for precise clarification of the material suitability. Other technical data on request. Subject to technical modifications and errors. 2014 edition.

Sample Solutions

Bucks

We produce a range of components and parts for glass manufacturing machines and glass blowing machines, such as bucks, cooling boards, stackers, transverse belts, grippers and levers.

Gripper fingers

Gripper fingers have component-specific contours at their ends that enable them to pick up, grip, transport or guide components. They are used primarily in electronics manufacturing.

High-voltage insulation

What sets these types of insulators apart is the combination of different requirements that simultaneously apply to their implementation.

Complex 3D components for thermal insulation

The manner in which these insulation materials are implemented can be as varied as the requirements placed on them: from a simple intermediate layer all the way to complex 3D components with various material combinations that are produced on a 5-axis…

Blank holders

Blank holders serve to hold components securely in position in the application. They are typically held against a surface/contour.

Screw head insulation

During the process of pinning and screwing components, electrical insulation must frequently be guaranteed. Ceramic cylindrical pins ensure a positive connection while a steel screw provides for the positional connection - the interlocking connection…

Goods carriers

Goods carriers are used to hold other products, such as circuit boards. In many cases, they must be electrically insulating, wear-resistant and designed to cope with thermal shock to enable smooth handling.

Non-material-specific insulation solutions

In many industrial applications, it makes sense to use multi-layered materials or material combinations.

Workpiece holder/carrier

The exact positioning of components is particularly important for series production. Here, multiple components are frequently welded, bonded, riveted, soldered, etc. at high cycle rates to form assemblies.

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