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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)

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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Mahtab Memarpour et al.
The journal of adhesive dentistry, 15(1), 85-91 (2013-03-28)
To evaluate the clinical performance of polyethylene fiber for anterior primary teeth restorations in children after 2.5 years, according to modified Ryge criteria. Fifty-five maxillary incisors with extensive caries in 24 Iranian patients (mean age 4.2 years) were restored. All
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
[Technologies for manufacturing ultra-high molecular polyethylene-based porous structures for bone implants].
A V Maksimkin et al.
Meditsinskaia tekhnika, (2)(2), 16-20 (2013-06-26)
Melody Yee-Man Wong et al.
Rapid communications in mass spectrometry : RCM, 27(6), 713-721 (2013-02-19)
Despite various porous materials having been widely adopted as spraying tips for direct sample analysis using electrospray ionization mass spectrometry (ESI-MS), the effect of surface property and porosity of spraying tip materials on their analytical performances is not clear. Investigation
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
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