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UHMW Polyethylene Round Rod | UHMWPE Rod

Ultra-high-molecular-weight polyethylene (UHMWPE, UHMW) is a very tough material, with the highest impact strength of any thermoplastic presently made.

UHMWPE is odorless, tasteless, and nontoxic. It embodies all the characteristics of high-density polyethylene (HDPE) with the added traits of being resistant to concentrated acids and alkalis, as well as numerous organic solvents.
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UHMW Polyethylene Round Rod | UHMWPE Rod



Ultra-high-molecular-weight polyethylene (UHMWPE, UHMW) is a very tough material, with the highest impact strength of any thermoplastic presently made.


UHMWPE is odorless, tasteless, and nontoxic. It embodies all the characteristics of high-density polyethylene (HDPE) with the added traits of being resistant to concentrated acids and alkalis, as well as numerous organic solvents.


UHMWPE is highly resistant to corrosive chemicals; has extremely low moisture absorption and a very low coefficient of friction; is self-lubricating; and is highly resistant to abrasion, in some forms being 15 times more resistant to abrasion than carbon steel.


Its coefficient of friction is significantly lower than that of nylon and acetal and is comparable to that of polytetrafluoroethylene (PTFE, Teflon), but UHMWPE has better abrasion resistance than PTFE. We have own production lines of UHMWPE material and CNC machines, are able to provide one-stop service.



UHMWPE Properties
Material Properties
Standard
Unit
Value
Average molecular weight

g /mol
Approx 4.5*106
Density
ISO1183
Kg/m3
922-942
Water absorption at 23℃until saturation
ISO62
%
<0.01
Material Properties
Standard
Unit
Value
Tensile stress at yeild (tensile strength)
ISO527
MPa
≥17
Enlongation at break
ISO527
%
≥300
Tensile modulus
ISO527
MPa
≥700
Impact strength (Charpy)at 23℃
ISO179
Kj/m2
No break
Notched impact strength (Charpy)at 23℃
ISO11542-2
Kj/m2
≥80
Ball indentation hardness
ISO2039-1
N/mm2
30-35
Shore-Hardness D,15 s value
ISO868

60-65
Coefficient of friction


Approx.0.2
Abrasion(Sand-Slurry)


80
Themal properties
Standard
Unit
Value
Melting point DSC ,10k/min
ISO3146
135-138
Vicat softening point
ISO306
80
Coefficient of linear themal expansion Between 23 and 80℃
ISO11359
K-1
approx 2*10-4
Themal conductivity
ISO52612
W/[m*k]
approx 0.4
Use Temperature (max.)

80
Use Temperature (briefly)

90
Use Temperature (min.)

-200
Electrical properties
Standard
Unit
Value
Relative permitivity at 100 Hz
IEC 60250
-
2.1
Dissipation factor at 100 Hz
IEC60250
-
3.9*10-4
Volume resistivity
IEC60093
Ohm*m
>1012
Surface resistivity
IEC60093
Ohm
>1012
Dielectric strength
IEC60243
KV/mm
45

The information contained in this technical date sheet can not be constructed as a promise or guarantee of specific properties of our products.Any determination of suitability of a particular material and part design for any use contemplated by the user is the sole responsibility of the user. The information contained in this technical date sheet is based on present knowledge and may be subject to change without further notice.


Machined Parts from UHMWPE Rod



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