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Sarlink® 4145B

Thermoplastic Vulcanizate

Supplied by Teknor Apex Company (Sarlink)

The technical datasheet with complete property values for Sarlink® 4145B is available to members of the Prospector Plastics Database.
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Product Description
A highly engineered Thermoplastic Elastomer for use in demanding applications. Sarlink® 4145B is a low hardness grade possessing exceptional tensile strength, superior compression set, chemical resistance and high temperature performance. It can be easily processed by injection molding, blow molding or extrusion for various applications such as boots and bellows, seals, gaskets as well as other profiles and articles.
General  
Material Status 
  • Commercial: Active
Availability 
  • Asia Pacific
  • Europe
  • North America
  • South America
 
Features 
  • Good Chemical Resistance
  • High Heat Resistance
  • High Tensile Strength
  • Low Compression Set
  • Low Hardness
Uses 
  • Constant Velocity Joint Boots
  • Gaskets
  • Profiles
  • Seals
 
Forms 
  • Pellets
Processing Method 
  • Blow Molding
  • Extrusion
  • Injection Molding
  • Profile Extrusion
 
Physical
Nominal Value
Unit
Test Method
Specific Gravity
 
ASTM D792
Elastomers
Nominal Value
Unit
Test Method
Tensile Stress
    ASTM D412
Across Flow: 100% Strain
psi
 
Flow: 100% Strain
psi
 
Tensile Strength
    ASTM D412
Across Flow: Yield
psi
 
Flow: Yield
psi
 
Tensile Elongation
    ASTM D412
Across Flow: Break
%
 
Flow: Break
%
 
Tear Strength - Across Flow 2
lbf/in
ASTM D624
Compression Set
    ASTM D395B
73°F, 22.0 hr
%
 
158°F, 22.0 hr
%
 
257°F, 70.0 hr
%
 
Hardness
Nominal Value
Unit
Test Method
Durometer Hardness
    ASTM D2240
Shore A, 5 sec, Extruded
 
 
Shore A, 5 sec, Injection Molded
 
 
Aging
Nominal Value
Unit
Test Method
Change in Tensile Strength in Air - Across Flow
    ASTM D573
275°F, 1000 hr
%
 
100% Strain, 275°F, 1000 hr
%
 
302°F, 168 hr
%
 
100% Strain, 302°F, 168 hr
%
 
Change in Ultimate Elongation in Air - Across Flow
    ASTM D573
275°F, 1000 hr
%
 
302°F, 168 hr
%
 
Change in Durometer Hardness in Air
    ASTM D573
275°F, 1000 hr
 
 
302°F, 168 hr
 
 
Change in Volume (257°F, 70 hr, in ASTM Oil #3)
%
ASTM D471
Fill Analysis
Nominal Value
Unit
Test Method
Apparent Viscosity (392°F, 206 sec^-1)
Pa·s
ASTM D3835
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: Sarlink® 4145B, Sarlink 4145B, Sarlink® , Sarlink, Sarlink4145B, 4145 B, 4145B, Thermoplastic Vulcanizate, TPV, Thermoplastic Elastomer, TPE, ThermoplasticVulcanizate, ThermoplasticElastomer, B4145
Features
Features may also be described by the following terms: Low Hardness, High Tensile Strength, Low Compression Set, Good Chemical Resistance, Chemical Resistant, High Heat Resistance.
Uses
Uses may also be described by the following terms: CV Joint Boots, Constant Velocity Joint Boots, Gaskets, Gasketing.
Injection
Nominal Value
Unit
 
Drying Temperature
°F
 
Drying Time
hr
 
Rear Temperature
°F
 
Middle Temperature
°F
 
Front Temperature
°F
 
Nozzle Temperature
°F
 
Processing (Melt) Temp
°F
 
Mold Temperature
°F
 
Back Pressure
psi
 
Screw Speed
rpm
 
Screw L/D Ratio
 
 
Extrusion
Nominal Value
Unit
 
Drying Temperature
°F
 
Drying Time
hr
 
Cylinder Zone 1 Temp.
°F
 
Cylinder Zone 2 Temp.
°F
 
Cylinder Zone 3 Temp.
°F
 
Cylinder Zone 4 Temp.
°F
 
Melt Temperature
°F
 
Die Temperature
°F
 
Take-Off Roll
°F
 
Extrusion Notes
Screen Pack: 20 to 60 mesh
Screw: 3:1 Compression Ratio
Notes
1Typical properties: these are not to be construed as specifications.
2Die C
 
IDES
Copyright © 2012 IDES
The information presented on this datasheet was acquired by IDES from the producer of the material. IDES makes substantial efforts to assure the accuracy of this data. However, IDES assumes no responsibility for the data values and strongly encourages that upon final material selection, data points are validated with the material supplier.