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Санкт-Петербургский государственный электротехнический университет "ЛЭТИ"
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Электротехника
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Shackelford J.F.Material science and engineering handbook.2001.pdf
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Table 295. DISSIPATION FACTOR FOR POLYMERS

(SHEET 1 OF 8)

 

 

Dissipation Factor

 

 

(ASTM D150)

 

 

 

 

Class

Polymer

60 Hz

106 Hz

 

 

 

 

 

 

 

 

ABS Resins; Molded,

Medium impact

0.003—0.006

0.008—0.009

Extruded

 

 

 

 

High impact

0.005—0.007

0.007—0.015

 

Very high impact

0.005—0.010

0.008—0.016

 

Low temperature impact

0.005—0.01

0.008—0.016

 

Heat resistant

0.030—0.040

0.005—0.015

Acrylics; Cast, Molded,

Cast Resin Sheets, Rods:

 

 

Extruded

 

 

 

 

 

 

General purpose, type I

0.05—0.06

0.02—0.03

 

General purpose, type II

0.05—0.06

0.02—0.03

 

Moldings:

 

 

 

Grades 5, 6, 8

0.04—0.06

0.02—0.03

 

High impact grade

0.03—0.04

0.01—0.02

Thermoset Carbonate

Allyl diglycol carbonate

0.03—0.04

0.1—0.2

Alkyds; Molded

Putty (encapsulating)

0.030—0.045

0.016—0.020

 

Rope (general purpose)

0.019

0.023

 

Granular (high speed

0.030—0.040

0.017—0.020

 

molding)

 

 

 

 

Glass reinforced (heavy

0.02—0.03

0.015—0.022

 

duty parts)

 

 

 

Cellulose Acetate;

ASTM Grade:

 

 

Molded, Extruded

 

 

 

 

 

 

H4—1

0.01—0.06

0.01—0.10

 

H2—1

0.01—0.06

0.01—0.10

 

MH—1, MH—2

0.01—0.06

0.01—0.10

 

MS—1, MS—2

0.01—0.06

0.01—0.10

 

S2—1

0.01—0.06

0.01—0.10

 

 

 

 

Source: data compiled by J.S. Park from Charles T. Lynch, CRC Handbook of Materials Science, Vol. 3, CRC Press, Boca Raton, Florida, 1975 and Engineered Materials Handbook, Vol.2, Engineering Plastics, ASM International, Metals Park, Ohio, 1988.

©2001 CRC Press LLC

Table 295. DISSIPATION FACTOR FOR POLYMERS

(SHEET 2 OF 8)

 

 

Dissipation Factor

 

 

(ASTM D150)

 

 

 

 

Class

Polymer

60 Hz

106 Hz

 

 

 

 

 

 

 

 

Cellulose Acetate

 

 

 

Butyrate; Molded,

ASTM Grade:

 

 

Extruded

 

 

 

 

H4

0.01—0.04

0.02—0.05

 

MH

0.01—0.04

0.02—0.05

 

S2

0.01—0.04

0.02—0.05

Cellulose Acetate

 

 

 

Propionate; Molded,

ASTM Grade:

 

 

Extruded

 

 

 

 

1

0.01—0.04

0.02—0.05

 

3

0.01—0.04

0.02—0.05

 

6

0.01—0.04

0.02—0.05

 

Chlorinated Polymers

 

 

 

Chlorinated polyether

0.011

0.011

 

Chlorinated polyvinyl

0.0189—

0.02

 

chloride

0.0208

 

 

Polycarbonates

Polycarbonate

0.0009

0.01

 

Polycarbonate (40% glass

0.006

0.007

 

fiber reinforced)

 

 

 

Diallyl Phthalates;

Orlon filled

0.023—0.015

0.045—0.040

Molded

(Dry)

(Wet)

 

 

Dacron filled

0.004—0.016

0.009—0.017

 

(Dry)

(Wet)

 

 

 

Asbestos filled

0.05—0.03

0.154—0.050

 

(Dry)

(Wet)

 

 

 

Glass fiber filled

0.004—0.015

0.012—0.020

 

(Dry)

(Wet)

 

 

 

 

 

 

Source: data compiled by J.S. Park from Charles T. Lynch, CRC Handbook of Materials Science, Vol. 3, CRC Press, Boca Raton, Florida, 1975 and Engineered Materials Handbook, Vol.2, Engineering Plastics, ASM International, Metals Park, Ohio, 1988.

©2001 CRC Press LLC

Table 295. DISSIPATION FACTOR FOR POLYMERS

(SHEET 3 OF 8)

 

 

Dissipation Factor

 

 

(ASTM D150)

 

 

 

 

Class

Polymer

60 Hz

106 Hz

 

 

 

 

 

 

 

 

Fluorocarbons;

Polytrifluoro

0.02

0.007—0.010

Molded,Extruded

chloroethylene (PTFCE)

 

 

 

Polytetrafluoroethylene

0.0002

0.0002

 

(PTFE)

 

 

 

 

Ceramic reinforced

0.0005–0.0015

0.0005–0.0015

 

(PTFE)

 

 

 

 

Fluorinated ethylene

0.0003

0.0003

 

propylene(FEP)

 

 

 

 

Polyvinylidene— fluoride

0.05

0.184

 

(PVDF)

 

 

 

Epoxies; Cast, Molded,

Standard epoxies

 

 

(diglycidyl ethers of

 

 

Reinforced

 

 

bisphenol A)

 

 

 

 

 

 

Cast rigid

0.0074

0.032

 

Cast flexible

0.0048-0.0380

0.0369-0.0622

 

Molded

0.011-0.018

0.013—0.020

 

General purpose glass

0.004-0.006

0.024—0.026

 

cloth laminate

 

 

 

 

High strength laminate

—

0.010-0.017

Epoxies—Molded,

High performance resins

 

 

Extruded

 

 

 

 

 

 

(cycloaliphatic diepoxides)

 

 

 

Cast, rigid

0.0055—

0.029—0.028

 

0.0074

 

 

 

 

Molded

0.0071—0.025

—

 

Glass cloth laminate

—

0.0158

 

Epoxy novolacs

 

 

 

Cast, rigid

0.001—0.007

—

 

 

 

 

Source: data compiled by J.S. Park from Charles T. Lynch, CRC Handbook of Materials Science, Vol. 3, CRC Press, Boca Raton, Florida, 1975 and Engineered Materials Handbook, Vol.2, Engineering Plastics, ASM International, Metals Park, Ohio, 1988.

©2001 CRC Press LLC

Table 295. DISSIPATION FACTOR FOR POLYMERS

(SHEET 4 OF 8)

 

 

Dissipation Factor

 

 

(ASTM D150)

 

 

 

 

Class

Polymer

60 Hz

106 Hz

 

 

 

 

 

 

 

 

Melamines; Molded

Filler & type

 

 

 

Unfilled

0.048—0.162

0.031—0.040

 

Cellulose electrical

0.026—0.192

0.032—0.12

 

Glass fiber

0.14—0.23

0.020—0.03

 

Alpha cellulose

—

0.028

 

Mineral

—

0.030

Nylons; Molded,

Type 6

 

 

Extruded

 

 

 

 

 

 

General purpose

0.06—0.014

0.03—0.04

 

Glass fiber (30%)

0.022—0.008

0.019—0.015

 

reinforced

 

 

 

 

Cast

0.015

0.05

 

Flexible copolymers

0.007—0.010

0.010—0.015

 

Type 8

0.19

0.08

 

Type 11

0.03

0.02

 

Type 12

0.04 (103 Hz)

 

 

6/6 Nylon

 

 

 

General purpose molding

0.014—0.04

0.04

 

Glass fiber reinforced

0.009—0.018

0.017—0.018

 

6/10 Nylon

 

 

 

General purpose

0.04

 

Phenolics; Molded

Type and filler

 

 

 

General: woodflour and

0.05—0.30

0.03—0.07

 

flock

 

 

 

 

Shock: paper, flock, or

0.08—0.35

0.03—0.07

 

pulp

 

 

 

 

High shock: chopped

0.08—0.45

0.03—0.09

 

fabric or cord

 

 

 

 

Very high shock: glass fiber

0.02—0.03

0.02

 

 

 

 

Source: data compiled by J.S. Park from Charles T. Lynch, CRC Handbook of Materials Science, Vol. 3, CRC Press, Boca Raton, Florida, 1975 and Engineered Materials Handbook, Vol.2, Engineering Plastics, ASM International, Metals Park, Ohio, 1988.

©2001 CRC Press LLC

Table 295. DISSIPATION FACTOR FOR POLYMERS

(SHEET 5 OF 8)

 

 

Dissipation Factor

 

 

(ASTM D150)

 

 

 

 

Class

Polymer

60 Hz

106 Hz

 

 

 

 

 

 

 

 

Phenolics: Molded

Arc resistant—mineral

0.13—0.16

0.1

 

Rubber phenolic—

0.15—0.60

0.1—0.2

 

woodflour or flock

 

 

 

 

Rubber phenolic—

0.5

0.09

 

chopped fabric

 

 

 

 

Rubber phenolic—

0.15

0.13

 

asbestos

 

 

 

 

ABS–Polycarbonate Alloy

0.0026

0.0059

PVC–Acrylic Alloy

PVC–acrylic sheet

0.076

0.094

 

PVC–acrylic injection

0.037

0.031

 

molded

 

 

 

Polyimides

Unreinforced

0.003

0.011

 

Glass reinforced

0.0034

0.0055

Polyacetals

Homopolymer:

 

 

 

Standard

0.0048

0.0048

 

20% glass reinforced

0.0047

0.0036

 

Copolymer:

 

 

 

Standard

0.001 (100 Hz)

0.006

 

25% glass reinforced

0.003 (100 Hz)

0.006

 

High flow

0.001 (100 Hz)

0.006

Polyester;

Injection Moldings:

 

 

Thermoplastic

 

 

 

 

 

 

General purpose grade

0.002 (103 Hz)

 

 

Glass reinforced grades

0.002—0.003

 

 

(103 Hz)

 

 

 

 

 

Glass reinforced self

0.002 (103 Hz)

 

 

extinguishing

 

 

 

 

 

General purpose grade

0.023 (103 Hz)

 

 

Asbestos—filled grade

0.015 (103 Hz)

 

 

 

 

 

Source: data compiled by J.S. Park from Charles T. Lynch, CRC Handbook of Materials Science, Vol. 3, CRC Press, Boca Raton, Florida, 1975 and Engineered Materials Handbook, Vol.2, Engineering Plastics, ASM International, Metals Park, Ohio, 1988.

©2001 CRC Press LLC

Table 295. DISSIPATION FACTOR FOR POLYMERS

(SHEET 6 OF 8)

 

 

Dissipation Factor

 

 

(ASTM D150)

 

 

 

 

Class

Polymer

60 Hz

106 Hz

 

 

 

 

 

 

 

 

Polyesters: Thermosets

Cast polyyester

 

 

 

Rigid

0.003—0.04

0.006—0.04

 

Flexible

0.01—0.18

0.02—0.06

Reinforced polyester

Sheet molding

 

 

compounds, general

0.0087—0.04

0.0086—0.022

moldings

purpose

 

 

 

 

 

Phenylene Oxides

SE—100

0.0007

0.0024

 

SE—1

0.0007

0.0024

 

Glass fiber reinforced

0.0009

0.0015

 

Phenylene oxides (Noryl)

 

 

 

Standard

0.0008

0.0034

 

Glass fiber reinforced

0.0019

0.0049

 

Polyarylsulfone

0.0017—0.003

0.0056—0.012

Polypropylene

General purpose

0.0005–0.0007

0.0002–0.0003

 

High impact

<0.0016

0.0002—

 

0.0003

 

 

 

 

Asbestos filled

0.007

0.002

 

Glass reinforced

0.002

0.003

 

Flame retardant

0.0007–0.017

0.0006–0.003

Polyphenylene sulfide

Standard

—

0.0007

 

40% glass reinforced

—

0.0014—

 

0.0041

 

 

 

Polyethylenes;

Type I—lower density

 

 

Molded, Extruded

(0.910—0.925)

 

 

 

Melt index 0.3—3.6

<0.0005

 

 

Melt index 6—26

<0.0005

 

 

Melt index 200

<0.0005

 

 

 

 

 

Source: data compiled by J.S. Park from Charles T. Lynch, CRC Handbook of Materials Science, Vol. 3, CRC Press, Boca Raton, Florida, 1975 and Engineered Materials Handbook, Vol.2, Engineering Plastics, ASM International, Metals Park, Ohio, 1988.

©2001 CRC Press LLC

Table 295. DISSIPATION FACTOR FOR POLYMERS

(SHEET 7 OF 8)

 

 

Dissipation Factor

 

 

(ASTM D150)

 

 

 

 

Class

Polymer

60 Hz

106 Hz

 

 

 

 

 

 

 

 

Polyethylenes;

 

 

 

Molded, Extruded

Type II—medium density

 

 

(Con’t)

(0.926—0.940)

 

 

 

Melt index 20

<0.0005

 

 

Melt index l.0—1.9

<0.0005

 

 

Type III—higher density

 

 

 

(0.941—0.965)

 

 

 

Melt index 0.2—0.9

<0.0005

 

 

Melt Melt index 0.l—12.0

<0.0005

 

 

Melt index 1.5—15

<0.0005

 

 

High molecular weight

<0.0005

 

Olefin Copolymers;

EEA (ethylene ethyl

0.001

 

Molded

acrylate)

 

 

 

 

EVA (ethylene vinyl

0.003

 

 

acetate)

 

 

 

 

 

Ionomer

0.003

 

 

Polyallomer

>0.0005

 

Polystyrenes; Molded

Polystyrenes

 

 

 

General purpose

0.0001–0.0003

0.0001–0.0005

 

Medium impact

0.0004–0.002

0.0004–0.002

 

High impact

0.0004–0.002

0.0004–0.002

 

Glass fiber -30% reinforced

0.005

0.002

 

Styrene acrylonitrile

>0.006

0.007–0.010

 

(SAN)

 

 

 

 

Glass fiber (30%)

0.005

0.009

 

reinforced SAN

 

 

 

 

 

 

 

Source: data compiled by J.S. Park from Charles T. Lynch, CRC Handbook of Materials Science, Vol. 3, CRC Press, Boca Raton, Florida, 1975 and Engineered Materials Handbook, Vol.2, Engineering Plastics, ASM International, Metals Park, Ohio, 1988.

©2001 CRC Press LLC

Table 295. DISSIPATION FACTOR FOR POLYMERS

(SHEET 8 OF 8)

 

 

Dissipation Factor

 

 

(ASTM D150)

 

 

 

 

Class

Polymer

60 Hz

106 Hz

 

 

 

 

 

 

 

 

Polyvinyl Chloride and

Molded, Extruded

 

 

Copolymers;

 

 

 

 

 

 

Nonrigid—general

0.05—0.15

 

 

Nonrigid—electrical

0.08—0.11

 

 

Rigid—normal impact

0.020—0.03

 

 

Vinylidene chloride

0.03—0.15

 

Silicones; Molded,

Fibrous (glass) reinforced

0.01

0.004

Laminated

silicones

 

 

 

Granular (silica)

0.002—0.004

0.001—0.004

 

reinforced silicones

 

 

 

 

Woven glass fabric/

0.02

0.002

 

silicone laminate

 

 

 

Ureas; Molded

Alpha—cellulose filled

0.035—0.043

0.028—0.032

(ASTM Type l)

 

 

 

 

Cellulose filled (ASTM

0.042—0.044

0.027—0.029

 

Type 2)

 

 

 

 

Woodflour filled

0.035—0.040

0.028—0.032

 

 

 

 

Source: data compiled by J.S. Park from Charles T. Lynch, CRC Handbook of Materials Science, Vol. 3, CRC Press, Boca Raton, Florida, 1975 and Engineered Materials Handbook, Vol.2, Engineering Plastics, ASM International, Metals Park, Ohio, 1988.

©2001 CRC Press LLC

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