Insulation Materials Properties Chart

  Properties

thru PP Foamed

Properties

ASTM Method

PVC

Semi-Rigid PVC

Polyethylene

Polyethylene Foamed

PP

PP Foamed

Specific

Gravity

D-792-66 1.16-1.70 1.38 0.91-1.26 0.50-0.60 0.890-0.905 0.50-0.60

Tensile

Strength, psi

D-638-7.2 500-4500 4000 1500-2200 550 2900-4500 260
Elongation D-412 40-400 250 180-600 175 700 100

Volume

Resistivity, ohm-cm

D-257-6 10^4-10^6 10^15 10^15+

1.5×10^15

2.8×10^15

Dielectric

Strength, volts/mil

D-149-64 250-500 400 230-1420 300 450-850 300

Dielectric

Constant, @ 60 Hz

D-150-70 3.2-9.0 3.8 2.23-2.50 1.69 2.25 1.69

Dielectric

Constant, @ 1 kHz

D-150-70 3.0-8.0 3.8 2.27-2.50 1.69 2.25 1.69

Power Factor

(Dissipation) @ 60 Hz.

   0.007-0.15 0.003-0.044 0.0015 0.0054-0.0070 0.004

Power Factor

(Dissipation) @ 1 kHz.

   0.009-0.16

 

0.00048-0.00049

0.00025 0.0036-0.0050 0.0035

Abrasion

Resistance

  Good Excellent Good Poor Fair Poor

Heat

Resistance

  Good Good Good Poor Good Poor
Weatherability   Good Good Excellent Poor Excellent Poor

Flame

Retardancy

  Excellent Good Poor Poor Poor Poor

Water

Resistance

  Good Good Excellent Poor Excellent Poor

Acid

Resistance

  Good Good Good Fair Excellent Poor

Alkali

Resistance

  Excellent Excellent Good Fair Excellent Fair

Aliphatic

Hydro Resistance

  Good Good Poor Fair Fair Poor

Aromatic Hydro

Resistance

  Poor Poor Poor Fair Fair Poor

Properties thru SBR

Properties

ASTM Method

Polyurethane

Hytrel

Nylon

Surlyn

TPR

Thermoset

Neoprene

SBR

Specific

Gravity

D-792-66 1.05-1.25 1.25 1.09 0.95 0.89-1.28 1.23-1.65 0.94

Tensile

Strength, psi

D-638-7.2 5000+ 6000 6000 4000 1300-2300 1200-2700 3000+
Elongation D-412 540-750 500 500 450 500-750 300-700 450+

Volume

Resistivity, ohm-cm

D-257-6

2×10^14

11×10^14

10^11 10^13 5×10^16 10^11-10^13 3×10^16

Dielectric

Strength, volts/mil

D-149-64 330-630 460 475 485 500-900 600 420-520

Dielectric

Constant, @ 60 Hz

D-150-70 5.4-7.6 4.0 4.7 2.36 2.22-2.46 2.5-3.4

Dielectric

Constant, @ 1 kHz

D-150-70 5.6-7.6 3.9 4.5 2.36 5.0-7.0 2.9

Power Factor

(Dissipation) @ 60 Hz.

  0.015-0.046 0.016 0.04 0.0016 0.002-0.003

Power Factor

(Dissipation) @ 1 kHz.

  0.043-0.060 0.019 0.04 0.0019   3.5 0.0032

Abrasion

Resistance

  Excellent Excellent Excellent Excellent Good Excellent Good

Heat

Resistance

  Good Good Good Good Good Good Excellent
Weatherability   Good Excellent Good Excellent Good Good Good

Flame

Retardancy

  Fair Poor Poor Poor Good Good Excellent

Water

Resistance

  Good Good Fair Excellent Good Excellent Good

Acid

Resistance

  Fair Good Good Good Good Good Excellent

Alkali

Resistance

    Fair Good Good Good Good Good Excellent

Aliphatic

Hydro Resistance

  Fair Good Good Good Good Good Excellent

Aromatic Hydro

Resistance

  Fair Good Good Good Good Fair Excellent

Properties thru TFE

Properties

ASTM Method

KYNAR

HALAR

Foam Halar

47% air

Solef 11010

 

PTFE

PFA

FEP

Foam FEP

49% air

TFE

Specific

Gravity

D-792-66 1.75-1.78 1.68 0.90 1.77 2.12-2.17 2.12-2.17 ~1.1 2.13-2.20

Tensile

Strength, psi

D-638-7.2 5200-7500 6000-7000 ~2500 6000 4000-4300 2700-3100 ~1000 1000-3500
Elongation D-412 500 200-300 ~20 300-400 300 250-330 ~100 275

Volume

Resistivity, ohm-cm

D-257-6 2×10^14 10^15 <10^16 6×10^14 10^15+ 2×10^18 *** 10^18+

Dielectric

Strength, volts/mil

D-149-64 260 500 100 ~1000 500 500-600 100 500

Dielectric

Constant, @ 60 Hz

D-150-70 8.40 2.6 1.85 10.0 2.1 2.1 1.5 2.0-2.1

Dielectric

Constant, @ 1 kHz

D-150-70 7.5 2.53 1.80 2.1 2.1 1.5 2.0-2.1

Power Factor

(Dissipation) @ 60 Hz.

  0.049 <5×10^-4 3×10^-4 58×10^-3 0.000027 0.0002 *** 0.0004

Power Factor

(Dissipation) @ 1 kHz.

  0.019 <1.5×10^-2 <0.8×10^-2 0.000020 0.0007 *** 0.0001

Abrasion

Resistance

   Good Excellent Good Excellent Fair Good Fair Fair

Heat

Resistance

   Excellent Excellent Very Good Very Good Excellent Excellent Good Excellent
Weatherability    Good Excellent Very Good Very Good Good Good Excellent Excellent

Flame

Retardancy

   Excellent Excellent Good Very Good Excellent Excellent Good Excellent

Water

Resistance

   Good Excellent Good Very Good Excellent Good Good Excellent

Acid

Resistance

   Excellent Excellent Good Very Good Excellent Excellent Good Excellent

Alkali

Resistance

   Excellent Excellent Good Very Good Excellent Excellent Good Excellent

Aliphatic

Hydro Resistance

   Excellent Excellent Good Very Good Excellent Excellent Good Excellent

Aromatic Hydro

Resistance

  Excellent Excellent Good Very Good Excellent Excellent Good Excellent

*KYNAR is a registered trademark of ELF Atochem North America, Inc.

*PTFE is registered trademark of E.I. du Pont de Nemours and Company.

*SOLEF is a trademark of Soltex

*HALAR is a registered trademark of Ausimont USA.

***Variation depends on level expansions