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LUBMER™ LS4140 Datasheet

High Molecular Weight Polyethylene

Filler

Supplied by Mitsui Chemicals America, Inc.

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Product Description
LUBMER™ 
LS4140
PA Alloy
LUBMER™ 
LS4140
LUBMER is a specially polyethylene developed by Mitusi Chemicals' original polymerization technology. LUBMER has outstanding sliding properties, abrasion resistance and moldability. Especially, LUBMER is used for a wide range of applications for soundproofing parts of office automation equipments, automotive, electrical and electronic parts. In addition, LUBMER is making a significant contribution to the development of building materials, mechanical parts, etc.. attracting attention as a high-performance material that will build a future.

Features:
  • Sliding properties
  • Food Safety
  • Abrasion resistance
  • Chemical resistance
  • Electrical insulating properties
  • Noiseless properties

Applications:
  • Electrical/office automation equipment parts
  • Automotive parts
  • General equipment parts, building materials, and other parts
General LUBMER™ 
LS4140
LUBMER™ 
LS4140
Material Status 
  • Commercial: Active
  • Commercial: Active
Availability 
  • North America
  • Asia Pacific
Filler / Reinforcement 
  • Filler
--
Features 
  • High Heat Resistance
  • Abrasion Resistant
  • Chemical Resistant
  • Electrically Insulating
  • Food Contact Acceptable
  • Good Moldability
  • Noise Damping
Uses 
  • Automotive Interior Parts
  • Bearings
  • Gears
  • Automotive Applications
  • Bearings
  • Building Materials
  • Electrical Parts
  • Gears
  • Machine/Mechanical Parts
  • Office Automation Equipment
  • Rollers
  • Valves/Valve Parts
Forms 
  • Pellets
--
Processing Method 
--
  • Injection Molding
Physical LUBMER™ 
LS4140
LUBMER™ 
LS4140
Unit
Test Method
Specific Gravity
       
--
--
 
ASTM D792
--
--
g/cm³
ASTM D1505
Melt Mass-Flow Rate (MFR) (230°C/2.16 kg)
--
g/10 min
JIS K7210
Spiral Flow 2
--
in
Internal Method
Molding Shrinkage
       
Flow : 0.0787 in
--
in/in
Internal Method
Flow : 0.0787 in
--
in/in
ASTM D955
Across Flow : 0.0787 in
--
in/in
Internal Method
Across Flow : 0.0787 in
--
in/in
ASTM D955
Water Absorption (24 hr)
%
ASTM D570
Mechanical LUBMER™ 
LS4140
LUBMER™ 
LS4140
Unit
Test Method
Tensile Strength
      ASTM D638
Yield, 73°F 3
--
psi
 
Yield, 73°F 4
--
psi
 
Break, 73°F 3
--
psi
 
Break, 73°F 4
--
psi
 
Tensile Elongation
      ASTM D638
Break, 73°F 3
--
%
 
Break, 73°F 4
--
%
 
Flexural Modulus 5 (73°F, 0.118 in, 1.89 in Span)
psi
ASTM D790
Flexural Strength 5
      ASTM D790
73°F, 0.118 in, 1.89 in Span
--
psi
 
Yield, 73°F, 0.118 in, 1.89 in Span
--
psi
 
Coefficient of Friction 6 (Dynamic)
--
 
Internal Method
Impact LUBMER™ 
LS4140
LUBMER™ 
LS4140
Unit
Test Method
Notched Izod Impact (73°F, 0.0787 in)
ft·lb/in
ASTM D256
Hardness LUBMER™ 
LS4140
LUBMER™ 
LS4140
Unit
Test Method
Rockwell Hardness (R-Scale)
 
ASTM D785
Thermal LUBMER™ 
LS4140
LUBMER™ 
LS4140
Unit
Test Method
Deflection Temperature Under Load (66 psi, Unannealed)
°F
ASTM D648
Vicat Softening Temperature
°F
ASTM D1525 7
CLTE - Flow
in/in/°F
ASTM D696
Electrical LUBMER™ 
LS4140
LUBMER™ 
LS4140
Unit
Test Method
Volume Resistivity
ohms·cm
ASTM D257
Dielectric Strength
V/mil
ASTM D149
Dielectric Constant
      ASTM D150
--
--
 
 
73°F
--
 
 
Dissipation Factor (1 MHz)
 
ASTM D150
Flammability LUBMER™ 
LS4140
LUBMER™ 
LS4140
Unit
Test Method
Flame Rating (0.06 in)
 
UL 94
Additional Information LUBMER™ 
LS4140
LUBMER™ 
LS4140
Unit
Test Method
Abrasion Loss 6
--
10^-10 in³·min/ft·lb·hr
Internal Method
PV Limit 6
--
g/30 pellets
Internal Method
LUBMER™ 
LS4140
Kinetic Coefficient of Friction, MCI Method, Lubmer-contact material, SUS 304, surface roughness, 6S: 0.16
Critical PV value, MCI Method, Lubmer-contact material, SUS 304, surface roughness, 6S: >/= 30 MPa m/min
Abrasion Loss, MCI Method, Lubmer-contact material, SUS 304, surface roughness, 6S: 30E-10 cm³/ kg-m
Volume Resistivity, ASTM D257: 1E15 to 1E18 ohm-cm
Spiral Flow, MCI method, 4.8mm radius: 37 cm (270°C)
The values listed as Mold Shrink, Linear Flow and Trans, ASTM D955, were tested in accordance with MCI methods.
Vicat Softening Point, ASTM D1525, Loading 1 (10N): >200°C
Features
LUBMER™ 
LS4140
Features may also be described by the following terms: High Heat Resistance, Heat Resistant.
LUBMER™ 
LS4140
Features may also be described by the following terms: Good Abrasion Resistance, Abrasion Resistant, Good Moldability, Good Chemical Resistance, Chemical Resistant.
Uses
LUBMER™ 
LS4140
Uses may also be described by the following terms: Rollers, Roller, Automotive Applications, Automotive Sector, Valves, Valve Parts, Machine Parts, Mechanical Parts, Machine/Mechanical Parts.
Available Documents
LUBMER™ 
LS4140
Technical Datasheet (English)
LUBMER™ 
LS4140
Technical Datasheet (English)
Injection LUBMER™ 
LS4140
LUBMER™ 
LS4140
Unit
 
Rear Temperature
--
°F
 
Middle Temperature
--
°F
 
Front Temperature
--
°F
 
Nozzle Temperature
--
°F
 
Mold Temperature
--
°F
 
Notes
1Typical properties: these are not to be construed as specifications.
2Melt Temperature: 518°F
3Type IV, 2.0 in/min
4Type V, 2.0 in/min
50.20 in/min
6SUS 304 (surface roughness, 6S)
7Loading 1 (10 N)
 
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The information presented on this datasheet was acquired by UL Prospector from the producer of the material. UL Prospector makes substantial efforts to assure the accuracy of this data. However, UL Prospector assumes no responsibility for the data values and strongly encourages that upon final material selection, data points are validated with the material supplier.