Merck
All Photos(3)

429015

Sigma-Aldrich

聚乙烯

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

Synonym(s):
PE
Linear Formula:
H(CH2CH2)nH
CAS Number:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.23

描述

coefficient of friction: 0.20 - 0.25

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

质量水平

形式

powder

分子量

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

硬度

52 (Rockwell R, ASTM D 785)

转变温度

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

密度

0.94 g/mL at 25 °C

InChI

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

InChI key

VGGSQFUCUMXWEO-UHFFFAOYSA-N

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1 of 4

This Item
81223428078428043
Polyethylene Ultra-high molecular weight, average Mw 3,000,000-6,000,000

Sigma-Aldrich

429015

聚乙烯

Polyethylene analytical standard, for GPC, 2,000

Supelco

81223

聚乙烯

Polyethylene Linear low density, melt index 1.0 g/10 min (190°C/2.16kg)

Sigma-Aldrich

428078

聚乙烯

Polyethylene low density, melt index 25 g/10 min (190°C/2.16kg)

Sigma-Aldrich

428043

聚乙烯

form

powder

form

-

form

pellets

form

pellets

transition temp

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

transition temp

-

transition temp

-

transition temp

softening point 93 °C (Vicat, ASTM D 1525)

density

0.94 g/mL at 25 °C

density

-

density

0.918 g/mL at 25 °C

density

0.925 g/mL at 25 °C

description

coefficient of friction: 0.20 - 0.25

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

description

-

description

-

description

-

mol wt

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

mol wt

Mn ~1790, Mp ~2030, Mw ~2010

mol wt

-

mol wt

-

hardness

52 (Rockwell R, ASTM D 785)

hardness

-

hardness

-

hardness

-

应用

用于制备轴承、齿轮、轴衬和其他活动部件。

特点和优势

具有非凡的自润滑、抗磨损性。
杰出的耐表面磨损、耐锈蚀和抗冲击性能超越诸多传统材料,包括钢、贵金属和合金。

储存分类代码

11 - Combustible Solids

WGK

WGK 3

个人防护装备

Eyeshields, Gloves, type N95 (US)

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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