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For applications requiring
excellent performance under extreme conditions of temperature, chemical
attack, high energy radiation or electrical specifications Stug
Australia
has a range of high performance materials manufactured by Erta/DSM in
Belgium. These are:
PEEK (Various
grades)
PPS
PVDF
PEI
PSU
PI (Various grades)
A summary of the characteristics
of each is given below, and we invite you to contact
us for more detailed specification sheets or to discuss your application
with one of our team of mechanical engineers.
PEEK
PRODUCTS
|
| Scientific
name: |
Polyetherketone |
| Available
in: |
Sheet,
Rod |
| Types: |
PEEK
- Available in natural (grey) and black
PEEK BG - PEEK with PTFE, graphite and carbon fibres to give
higher mechanical strength, lower co-efficient of friction and improved
wear resistance. Black colour.
PEEK GF30 (grey) & PEEK CA30 (black) - 30% glass & carbon fibre content gives greater stiffness and strength plus
superior creep properties at high temperatures. |
| General
properties: |
• Very high mechanical
strength, hardness and stiffness
• Very high max. service temperature (250 - 310°C)
• Excellent chemical & hydrolysis resistance
• Very good creep resistance even at high temperatures
• Excellent wear resistance over a wide range of operating
conditions
• Very good dimensional stability
• Low flammability
• Exceptional resistance against high energy radiation
• Suitable for food contact
|
| Applications: |
General:
Applications especially in the pharmaceutical, food processing,
medical, electrical, nuclear, chemical and aerospace industries.
PEEK:
Semiconductor water baskets & chip carriers
PEEK BG:
Bearing applications
PEEK GF30:
Applications with constant high static loads at high temperatures
PEEK CA30:
As for GF30 but with exceptional wear resistance
|
|
PPS
| Scientific
name: |
Polyphenylene
sulphide |
| Available
in: |
Sheet,
Rod |
| Types: |
PPS
- dark blue colour |
| General
properties: |
•
Very high mechanical strength, stiffness & hardness
• Very high max. service temperature (220 - 260°C)
• Excellent wear resistance even at high temperatures
• Low co-efficient of friction
• Excellent chemical & hydrolysis resistance
• Very good creep resistance & dimensional stability
• Good electrical insulating & dielectric properties
• Low flammability
• Very good resistance against high energy radiation |
| Applications: |
Suitable
for applications requiring excellent performance in high temperatures
and/or harsh chemical environments |
|
PVDF
| Scientific
name: |
Polyvinylidene
fluoride |
| Available
in: |
Sheet,
Rod |
| Types: |
PVDF
- white colour |
| General
properties: |
•
Good mechanical strength, stiffness & creep resistance
• High toughness even at low temperatures
• Low co-efficient of friction
• Excellent chemical & hydrolysis resistance
• High max. service temperature (150°C)
• Exceptional UV and weather resistance
• Excellent wear resistance
• Good sliding properties
• Very good dimensional stability
• Good electrical insulating properties
• Low flammability
• Very good resistance against high energy radiation
• Suitable for food contact |
| Applications: |
Especially
suitable for applications in the food, paper, pharmaceutical, medical,
petrochemical, chemical, metallurgical, textile and nuclear industries. |
|
PEI
| Scientific
name: |
Polyetherimide |
| Available
in: |
Sheet,
Rod |
| Types: |
PEI
- translucent amber colour |
| General
properties: |
•
Good mechanical strength, stiffness & hardness
• Excellent hydrolysis resistance (suitable for repeated steam
sterilisation)
• High max. service temperature (170 - 210°C)
• Very good retention of creep resistance & stiffness over
a wide range of temperatures
• High toughness even at low temperatures
• Very good dimensional stability
• Good electrical insulating & dielectric properties
• Very good resistance against high energy radiation
• Suitable for food contact |
| Applications: |
Parts
subject to repeated cleaning & sterilisation (food & medical
applications)
Food and other processing equipment
Heat exchangers
Electrical insulating bushings & housings
High performance parts working elevated temperatures. |
|
PSU
| Scientific
name: |
Polysulphone |
| Available
in: |
Sheet,
Rod |
| Types: |
PSU
- translucent yellow colour |
| General
properties: |
•
Good mechanical strength, stiffness & hardness
• Excellent hydrolysis resistance (suitable for repeated steam
sterilisation)
• High max. service temperature (150 - 180°C)
• Very good retention of creep resistance & stiffness over
a wide range of temperatures
• High toughness even at low temperatures
• Very good dimensional stability
• Good electrical insulating & dielectric properties
• Very good resistance against high energy radiation
• Suitable for food contact |
| Applications: |
Parts
subject to repeated cleaning & sterilisation (food & medical
applications)
Food and other processing equipment
Heat exchangers
Electrical insulating bushings & housings
High performance parts working elevated temperatures. |
|
PI
| Scientific
name: |
Polyimide |
| Available
in: |
Sheet,
Rod |
| Types: |
VSP-1 - Unfilled PI providing excellent physical properties and electrical & thermal insulation. Red-brown colour.
VSP-2 - 15% graphite filled, giving long wear and low friction.
Grey-black colour.
VSP-211 - 15% graphite and 10% PTFE filled resulting in a low
co-efficient of friction over a wide range of operating conditions
and exceptional wear rate up to 150°C. Grey-black colour.
VSP-22 - 40% graphite filled to give the wear and friction
properties of SP-21 with improved dimensional stability. Grey-black
colour.
VSP-3 - 15% molybdenum disulfide provides self-lubrication
for seals and bearings in vacuum or dry environments. Grey-black colour. |
| General
properties: |
• High mechanical
strength, stiffness & hardness over a wide range of temperatures
• Very high max. service temperature (245 - 480°C)
• Excellent wear resistance
• Very good creep resistance
• Good sliding properties
• Very good dimensional stability
• Low flammability
• Exceptional resistance against high energy radiation
|
| Applications: |
Used
in very demanding applications in the electrical, semiconductor, automotive,
aerospace, defence and nuclear industries. |
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