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    KESTAMID-HS®, PA6G Heat Resistant

 

 
 
General
Technical Properties
Applications
Technical Values
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TRADEMARK
KESTAMID® HS
 
DOCUMENTS
KESTAMID Catalog
KESTAMID Technical Values
DESCRIPTION
Kestamid-HS® is Polikim’s cast polyamide with increased heat resistance. Thermal stabilizer additives increase thermal aging significantly. In operating temperatures over 80°C, it  performs with a longer duration compared to other extrusion and cast polyamide types. Its continuous operating temperature increases by 15-30°C compared to Kestamid® and reaches the 125-140°C interval.

Thanks to its short term operating temperature that reaches 185-200°C interval, it is used safely in many applications that require heat resistance.

In addition to its thermal aging property, it has all other technical assets of Kestamid®. Special additives make it possible to maintain the other technical properties while increasing thermal performance.

It is possible to produce its UV resistant type on request.
 
STANDARD COLORS
     
 
PRODUCTS
MOULDED RODS
Outer Diameter Ø15-Ø700mm, Length 500-1000mm
MOULDED TUBES
Outer Diameter Ø70-Ø625mm, Inner Diameter Ø40-Ø300mm, Length 500-1000mm
SHEETS
Thickness 10-130mm, WXL 500X500 - 500X1000 - 600X600 - 600X1200 - 1000X1000 - 1000X2000 - 1200X1850mm - 1220x2000mm
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TRADEMARK
KESTAMID® HS
 
DOCUMENTS
KESTAMID Catalog
KESTAMID Technical Values
  • High performance in high operating temperatures
  • High mechanical resistance
  • High wear and impact resistance
  • Low coefficient of friction
  • High chemical resistance
  • High vibration and impact absorption capacity
  • Easily machined
Click to enlarge.
 
TRADEMARK
KESTAMID® HS
 
DOCUMENTS
KESTAMID Catalog
KESTAMID Technical Values
  • Bearings
  • Roller bearings
  • Gears
  • Rollers
  • Wear plates
  • Various machine components
     

KESTAMID® TECHNICAL VALUES

   Test Method ISO Unit KESTAMID® KESTOIL® KESTLUB® KESTAMID HS® KESTAMID  GRF®
General Properties

Color

 

 

Yellow

Green

Red

Blue

Dark Grey

Density

1183

gr/cm3

1.15

1.14

1.15

1.15

1.15

Water Absorption (Saturation in water of 23°C)

62

%

7

5

5

6

5

Mechanical Properties

Tensile Strength at Break

527

Kg/cm2

850

750

800

800

750

Tensile Modulus of Elasticity

527

MPa

4000

4000

4000

4000

4100

Elongation at Break

527

%

>20

>30

>20

>20

>20

Compression Stress

604

Kg/cm2

950

950

950

950

1050

Compression Modulus

604

MPa

2700

2500

2600

2700

3000

Impact Strength  (Charpy, unnotched)

179

Kj/m2

No break

No break

No break

No break

No break

Impact Strength (Izod, notched)

180

Kj/m2

5.6

6

6

5.6

5

Coefficient of Friction, Dynamic

 

 

0.39

0.15

0.08

0.39

0.15

Hardness

868

Shore D

84

83

84

84

85

Wear resistance

 

mg/km

0.44

0.11

0.02

0.44

0.20

K Factor

 

mm3/Nm

5.0x10-6

1.2x10-6

0.25x10-6

5.0x10-6

1.2x10-6

Thermal Properties

Melting Temperature

 

°C

220

220

220

220

220

Maximum Allowable Service Temperature in Air - Continuous

 

°C

110

110

110

125

115

Maximum Allowable Service Temperature in Air - Short term

 

°C

170

170

170

185

175

Coefficient of Linear Thermal Expansion

11359

°C-1

8x10-5

8x10-5

8x10-5

8x10-5

8x10-5

Electrical Properties

Dielectric Coefficient

60250

 

3.7

3.7

3.7

3.7

 

Electric Strength

60243

kV/mm

25

25

25

25

 

Volume Resistivity

60093

W.cm

>1014

>1014

>1014

>1014

 

Surface Resistivity

60093

W

>1013

>1013

>1013

>1013

 

All Rights Reserved.  Efalon®, Kestamid®, Ulpolen® are trademarks of Polikim A.S.. Teflon® is a trademark of DuPont.