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Tel：0575-87381708
Fax：0575-87215311
Zip code：311800
Website：www.cntongqiu.com
E-mail：cntongqiu@cntongqiu.com

Address: Zhejiang Zhuji Branded Feida Environmental Protection Industrial Park

Super high tube

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Product serial number
FD-006
Category
Steel lined ultra high molecular weight PE pipe fittings
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Description
Parameters
Ultra-high molecular weight polyethylene pipe series
The ultra-high molecular weight polyethylene (UHMW-PE) pipe produced by our company is a linear polyethylene pipe with a viscosity average molecular weight of more than 3.5 million. It almost concentrates the advantages of various plastics: wear resistance, impact resistance, non-scaling, chemical Stability, low temperature resistance, economy, sanitation and non-toxic properties. Ultra-high molecular weight polyethylene pipe is extruded by a special process and is a new type of engineering plastic pipe with excellent comprehensive performance.
 
Product Features
Wear resistance: Due to the extremely large molecular weight of UHMWPE, its abrasion resistance ranks first among plastics.
Chemical stability: UHMWPE pipe has excellent chemical stability. It is an inert material similar to polytetrafluoroethylene. It can transport various corrosive media within a certain temperature and concentration range without external need Do any anti-corrosion treatment.
Impact resistance: Ultra-high molecular weight polyethylene pipe has the highest impact resistance and impact absorption energy. Whether it is external impact or internal pressure fluctuations, it is difficult to crack, especially in a low temperature environment, its impact strength can reach The highest value, this flexibility provides a safe and reliable guarantee for the operation of the conveying system. Compared with the impact strength of other materials.
Non-scaling: Ultra-high molecular weight polyethylene has long molecular chain, few branches, few ends, low surface energy, good self-lubricating performance, so it has the characteristics of non-sticking and non-scaling, which fundamentally solves water Or the fouling and precipitation of the slurry can keep the flow rate and flow rate of the system unchanged for a long time.
Aging resistance: UHMWPE pipes have good weather resistance and aging resistance, and their service life exceeds 50 years under natural sunlight conditions.
Low temperature resistance: Excellent low temperature resistance, and its impact resistance and wear resistance are basically unchanged at -269°C. It is currently the only engineering plastic that can work at temperatures close to absolute zero.
Economical: The weight of UHMWPE pipe is eight molecules of steel pipe. Its installation adopts flange and hot-melt welding technology, which is fast and convenient, and can greatly reduce installation costs. In addition, due to its low friction coefficient (0.09), good self-lubricating performance, and its non-scaling property, its operating cost is 30% less than that of ordinary carbon steel.
Other features: It is also hygienic, non-toxic, non-absorbent, anti-static, and noise-absorbing. Its installation adopts flange or hot-melt welding technology, which is quick and convenient, safe and reliable, and can greatly reduce installation costs.

 

Technical index

UHMWPE performance and performance comparison with other engineering plastics

12

Project

ASTM

Unit

UHMWPE

High impact ABS

Nylon 66

Polycarbonate

Polyoxymethylene

Polytetrafluoroethylene

density

D1505

g/㎝3

0.935~0.975

1.02~1.04

1.13~1.15

1.2

1.41

2.14~2.2

Impact strength

D250

J/㎝2

﹥1400 Not broken

160~440

60~110

710~950

50~130

160

Elongation at break

D638

%

350

5~60

60~300

100~130

75

200~400

Coefficient of friction

D1894

—

0.07~0.11

0.38

0.37

0.36

0.18

0.04~0.02

Wear rate

D1175

㎎/1000time

70

770

175

280

210

250

Water absorption

D1505

%

＜0.01

0.02~0.45

1.5

0.15

0.25

＞0.01

Breakdown voltage

D149

Kv/㎜

50

14~20

15~19

16

15

20

 

 

Common performance indicators of UHMWPE

classification

project

UHMWPE

ASMT test method

Physical properties

Relative molecular mass/10,000

200-300

D2857

Density/(g/cm3)

0.945-0.975

D1505

Powder density/(g/cm3)

0.46

D392

Average particle size/μm

100-200

—

Mechanical properties

Breaking strength/MPa

40-45

D638

Elongation at break/%

300-400

D638

Flexural modulus/MPa

600

D747

Impact strength/(KJ/m2)

＞140

D250

Rockwell hardness/HRM

40-60

D747

Wear amount/(mg/1000 times)

70

D1175

Thermal properties

Melting point/℃

136

D2117

Heat distortion temperature/℃

85

D648

Coefficient of linear expansion/10-4℃-1

1.5-2.5

D696

Thermal conductivity/[w/(m·k)]

8.5

D177

Electrical properties

Volume resistivity/(Ω·cm)

10

D257

Breakdown voltage/(Kv/mm)

50

D149

Dielectric constant/106Hz

2.3

D150

 

 

We could not find any corresponding parameters, please add them to the properties table
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