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Arboron® Phenolic Laminate

Arboron® is melamine-faced, cellulose based solid phenolic composite laminate impregnated with thermosetting resins. It is consolidated under high pressure and temperature into dense, uniform sheets with good electrical and mechanical properties. Arboron® complies with NEMA thickness and flatness standards and is listed by Underwriters Laboratories Inc.® under Card # E96516 (M), dated December 30, 1992.

  • Standard Color: Black Matte
  • Black or Brown core
  • Replacement for Benelex

Features and Benefits

  • High dimensional stability
  • Excellent chemical and abrasion resistance
  • High strength-to-weight ratio (one half the weight of aluminium)
  • High dielectric strength
  • Low moisture absorbtion
  • Carbide blade and router fabrication
  • Available in 48" x 96", 60" x 120", and 60" x 144" sheets from - 1/8" to 2" thickness (3.175 mm to 50 mm, all inclusive in 1 mm increments.

APPLICATIONS:

Electrical

  • Electrical control and test panels
  • Switchgear mounting
  • Bus bar insulation
  • Phase barriers
  • Electrical enclosures

Mechanical

  • Drill jigs and fixtures
  • Non-conductive work benches
  • Needle Trade templates
  • Die stock
  • Transportation industry panels
  • Conveyer applications

Arboron ® Technical Data Sheet 

PHYSICAL PROPERTIES

Density
Specific Gravity

 

86.4 lbs/ft3 (1384kg/m3) 1.39 gm/c3

Rockwell Hardness
ASTM D 785-89

M scale

Tensile Strength
ASTM D 638

M.D.
C.D.

22,000 psi (151,865kPa)
16,000 psi (110,316kPa)

Water Absorption
ASTM D 570-63e

1/8''(3.2 mm)

Flexural Strength
ASTM D 790-86

M.D.
C.D.

23,000 psi (158,579kPa)
15,000 psi (103,421kPa)

Thickness Tolerance

in accordance with NEMA standards L|1 1989

Compressive Strength
ASTM D 695-89

Flatwise
Edgewise

22,700 psi (156,511kPa)
43,600 psi (300,611kPa)

Wrap or Twist Tolerances

in accordance with NEMA standards L|1 1989

Elastic Modulus
ASTM D 790-89

M.D.
C.D.

2,370,000psi (16.3M kPa)
1,780,000psi (12.3 M kPa)

Oil Compatibility Arboron shows no adverse effects on electrical insulating oil/transformer, as per ASTM D3455 test method.

Impact Strength
Edgewise

M.D.
C.D.

0.6 ft lbs/in
0.5 ft lbs/in

Material Safety Data Sheet

MSDS Code Conlam 0036

Bond Strength
ASTM D 229-86

 

659 psi

 

 

 

ELECTRICAL PROPERTIES

Arboron® can easily be fabricated using carbide tipped, standard machine tools for sawing, drilling and tapping, milling, turning and routing.

Relative Thermal Index 95°C
Electrical and Mechanical ASTM D 790

U.L. 94 Flame Classification
Flame spread left <20:smoke development<70
0.061" (1.6 mm) 94 HB
0.240" (6.1 mm) 94 VO

Arc Resistance (dry) 135 sec
ASTM D 495-89

 

Dielectric Strength
ASTM D 229, Condition A

 

 

 

S/S

S/T

 

(step by step)

(short time)

 

Parallel to Laminations

 

 

1/4" (6.4 mm)

48 kV

66kV

1/2" (12.7 mm)

40 kV

50kV

1"(25.4 mm)

36kV

42kV

 

 

 

Perpendicular to Laminations

 

 

volts/mil 1/4"(6.4 mm)

200

250

1/2"(12.7 mm)

120

150

1"(25.4 mm)

85

100

 

Dissipation Factor 1/4" (6.4 mm) 0.0481
ASTM D 150-92

Dielectric Constant 1/4"(6.4 mm) 5.41

Insulation Resistance (C/96/35/90) 500 megohms
Surface Resistance (C/96/35/90 200 megohms
Volume Resistivity (C/96/35/90) 22 megohms
(condition of the three listed above=C96 hr/35 C90% R.H.)

Comparative Track Index (CTI) 600V
High Ampere Arc Ignition (HAI) 200 +
Hot Wire Ignition (HWI) 107 sec

 

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