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429015

Sigma-Aldrich

Polyethylene

Ultra-high molecular weight, average Mw 3,000,000-6,000,000

Synonym(s):

PE

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About This Item

Linear Formula:
H(CH2CH2)nH
CAS Number:
9002-88-4
MDL number:
MFCD00084423
UNSPSC Code:
12162002
PubChem Substance ID:
24866830
NACRES:
NA.23

description

coefficient of friction: 0.20 - 0.25

(Cr-plated steel, 23°C, static, ASTM D 1894)

Quality Level

100

form

powder

mol wt

average Mw 3,000,000-6,000,000

hardness

52 (Rockwell R, ASTM D 785)

transition temp

softening point 136 °C (Vicat, ASTM D 1525B)
Tm 138 °C (DSC)

density

0.94 g/mL at 25 °C

InChI

1S/C2H4/c1-2/h1-2H2

InChI key

VGGSQFUCUMXWEO-UHFFFAOYSA-N

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Related Categories

Application

Bearings, gears, bushings and other moving parts.

Features and Benefits

Self-lubricating extraordinary wear properties.
Abrasion, corrosion and impact resistance exceeds many conventional materials, including steel and expensive metals and alloys.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Eliandra Mirlei Rossi et al.
Journal of infection in developing countries, 7(3), 229-234 (2013-03-16)
Contaminated sponges might lead to cross-contamination in kitchens since they can transfer microorganisms to surfaces where microorganisms can survive for hours or days and contaminate food. The main objective of this study was to evaluate the transfer and the survival
Alicia E Leadford et al.
Pediatrics, 132(1), e128-e134 (2013-06-05)
Hypothermia contributes to neonatal mortality and morbidity, especially in preterm and low birth weight infants in developing countries. Plastic bags covering the trunk and extremities of very low birth weight infants reduces hypothermia. This technique has not been studied in
Morteza Meftah et al.
The Journal of bone and joint surgery. American volume, 95(13), 1193-1197 (2013-07-05)
Ceramic femoral heads produce less wear of the opposing polyethylene than do metal femoral heads in wear simulation studies. This is a matched-pair analysis of the wear of ceramic and metal femoral heads on conventional polyethylene in uncemented total hip
Lisa K McCarthy et al.
Pediatrics, 132(1), e135-e141 (2013-06-19)
Hypothermia on admission to the NICU is associated with increased mortality in preterm infants. Many newborns are hypothermic on admission despite using polyethylene bags (PBs). Using exothermic mattresses (EMs) in addition to PBs may reduce hypothermia but increase hyperthermia. We
Katharine S Woods et al.
American journal of veterinary research, 74(4), 523-529 (2013-03-28)
To compare the diagnostic quality of bronchoalveolar lavage (BAL) fluid acquired from healthy dogs by manual aspiration via polyethylene tubing (MAPT) and via suction pump aspiration (SPA) with a suction trap connection. 12 healthy adult Beagles. BAL was performed with
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