FR406

Standard Loss, High Tg Epoxy Laminate and Prepreg

FR406 sets the industry standard for high performance epoxy materials.

Thermal Performance

Tg: 170°C
Td: 300°C

Electrical Performance

Dk: 3.93
Df: 0.0167

Industry Approvals

IPC-4101 /21 /24 /26
UL - File Number E41625

This product is engineered to meet the demands of the multilayer printed circuit board industry, while maintaining standard FR-4 processing. FR406 offers improved dimensional control, superior chemical and thermal performance and product consistency.

Attributes

Product Features

  • Industry Recognition
    • UL File Number: E41625
    • RoHS Compliant
  • Processing Advantages
    • FR-4 process compatible
    • UV blocking and AOI fluorescence
    • No post bake after pressing

Production & Manufacturing

Currently manufactured in Asia, North America

Product Availability

  • Standard Material Offering: Laminate
    • 2 to 125 mil (0.05 to 3.2 mm)
    • Available in full size sheet or panel form
  • Copper Foil Type
    • HTE Grade 3
    • RTF (Reverse Treat Foil)
  • Copper Weight
    • ½ to 2 oz (18 to 70 µm) available
    • Heavier copper available
    • Thinner copper foil available
  • Standard Material Offering: Prepreg
    • Roll or panel form
    • Tooling of prepreg panels
  • Glass Fabric Availability
    • E-glass
    • Square weave glass
Property Typical Value Units Test Method
Metric (English) IPC-TM-650 (or as noted)
Glass Transition Temperature (Tg) by DSC 170 °C 2.4.25C
Decomposition Temperature (Td) by TGA @ 5% weight loss 300 °C 2.4.24.6
Time to Delaminate by TMA (Copper removed)
A. T260
B. T288
10
>2
Minutes 2.4.24.1
Z-Axis CTE
A. Pre-Tg
B. Post-Tg
C. 50 to 260°C, (Total Expansion)
60
250
3.5
ppm/°C
ppm/°C
%
2.4.24C
X/Y-Axis CTE Pre-Tg 13 ppm/°C 2.4.24C
Thermal Conductivity 0.3-0.4 W/m·K ASTM E1952
Thermal Stress 10 sec @ 288ºC (550.4ºF)
A. Unetched
B. Etched
Pass Pass Visual 2.4.13.1
Dk, Permittivity
A. @ 100 MHz
B. @ 1 GHz
C. @ 2 GHz
D. @ 5 GHz
E. @ 10 GHz
4.00
3.95
3.93
3.92
3.92
2.5.5.3
2.5.5.9
2.5.5.5
2.5.5.5
2.5.5.5
Df, Loss Tangent
A. @ 100 MHz
B. @ 1 GHz
C. @ 2 GHz
D. @ 5 GHz
E. @ 10 GHz
0.0130
0.0161
0.0167
0.0172
0.0172
2.5.5.3
2.5.5.9
2.5.5.5
2.5.5.5
2.5.5.5
Volume Resistivity
A. C-96/35/90
B. After moisture resistance
C. At elevated temperature
9.0 x 107
3.0 x 107
MΩ-cm 2.5.17.1
Surface Resistivity
A. C-96/35/90
B. After moisture resistance
C. At elevated temperature
3.0 x 108
8.0 x 108
2.5.17.1
Dielectric Breakdown >50 kV 2.5.6B
Arc Resistance 90 Seconds 2.5.1B
Electric Strength (Laminate & laminated prepreg) 44 (1100) kV/mm (V/mil) 2.5.6.2A
Comparative Tracking Index (CTI) 3 (175-249) Class (Volts) UL 746A
ASTM D3638
Peel Strength
A. Low profile copper foil and very low profile copper foil all copper foil >17 μm [0.669 mil]
B. Standard profile copper
    1. After thermal stress
    2. At 125ºC (257ºF)
    3. After process solutions

1.19 (7.0)

1.60 (9.0)
1.19 (7.0)
1.60 (9.0)
N/mm (lb/inch)
2.4.8C

2.4.8.2A
2.4.8.3
2.4.8.3
Flexural Strength
A. Length direction
B. Cross direction
93.7
78.2
ksi 2.4.4B
Tensile Strength
A. Length direction
B. Cross direction
63.0
47.7
ksi ASTM D3039
Young's Modulus
A. Length direction
B. Cross direction
3684
3116
ksi ASTM D790-15e2
Poisson's Ratio
A. Length direction
B. Cross direction
0.191
0.154
ASTM D3039
Moisture Absorption 0.2 % 2.6.2.1A
Flammability (Laminate & laminated prepreg) V-0 Rating UL 94
Relative Thermal Index (RTI) 130 °C UL 796
The data, while believed to be accurate and based on analytical methods considered to be reliable, is for information purposes only. Any sales of these products will be governed by the terms and conditions of the agreement under which they are sold.

NOTE

Visit our site http://www.isola-group.com for more details.
Revisions:
A: Initial release - 4/17
B: Corrected units for Flexural and Tensile Strength - 8/18
C: Change MOT to RTI 5/19

Core Data

Construction Resin Content % Standard/Alternate Thinckness (inch) Thickness (mm) Dielectric Constant (DK)/ Dissipation Factor (DF)
100 MHz 500 MHz 1 GHz 2 GHz 5 GHz 10 GHz
1x1080 58.0% Standard 0.0025 0.064 3.83
0.0140
3.79
0.0160
3.77
0.0180
3.75
0.0190
3.72
0.0190
3.72
0.0190
1x2113 44.0% Standard 0.0030 0.076 4.14
0.0120
4.10
0.0140
4.09
0.0150
4.07
0.0160
4.06
0.0160
4.06
0.0160
2x106 65.0% Standard 0.0035 0.089 3.69
0.0150
3.65
0.0170
3.63
0.0190
3.61
0.0200
3.58
0.0200
3.58
0.0200
1x2116 45.0% Standard 0.0040 0.102 4.11
0.0120
4.08
0.0140
4.07
0.0150
4.04
0.0160
4.02
0.0160
4.02
0.0160
1x3070 48.0% Alternate 0.0040 0.102 4.04
0.0130
4.01
0.0140
3.99
0.0160
3.97
0.0170
3.95
0.0170
3.95
0.0170
106/1080 60.0% Standard 0.0043 0.109 3.79
0.0140
3.75
0.0160
3.73
0.0180
3.71
0.0190
3.68
0.0200
3.68
0.0200
1x1652 42.0% Standard 0.0050 0.127 4.18
0.0120
4.15
0.0130
4.14
0.0150
4.12
0.0150
4.10
0.0160
4.10
0.0160
106/2113 56.0% Standard 0.0053 0.135 3.87
0.0140
3.83
0.0150
3.82
0.0170
3.79
0.0180
3.76
0.0190
3.76
0.0190
1080/2113 53.0% Standard 0.0060 0.152 3.93
0.0130
3.90
0.0150
3.88
0.0170
3.86
0.0180
3.83
0.0180
3.83
0.0180
1x7628 41.0% Standard 0.0070 0.178 4.21
0.0120
4.18
0.0130
4.17
0.0150
4.14
0.0150
4.12
0.0150
4.12
0.0150
2113/2116 44.0% Alternate 0.0070 0.178 4.14
0.0120
4.10
0.0140
4.09
0.0150
4.07
0.0160
4.06
0.0160
4.06
0.0160
2x2116 45.0% Standard 0.0080 0.203 4.11
0.0120
4.08
0.0140
4.07
0.0150
4.04
0.0160
4.02
0.0160
4.02
0.0160
2x2116 52.0% Standard 0.0095 0.241 3.95
0.0130
3.92
0.0150
3.90
0.0170
3.88
0.0170
3.85
0.0180
3.85
0.0180
2x1652 42.0% Standard 0.0100 0.254 4.18
0.0120
4.15
0.0130
4.14
0.0150
4.12
0.0150
4.10
0.0160
4.10
0.0160
2x1080/7628 47.0% Standard 0.0120 0.305 4.06
0.0130
4.03
0.0140
4.02
0.0160
3.99
0.0160
3.97
0.0170
3.97
0.0170
2x7628 41.0% Standard 0.0140 0.356 4.21
0.0120
4.18
0.0130
4.17
0.0150
4.14
0.0150
4.12
0.0150
4.12
0.0150
2x7628/2116 42.0% Standard 0.0180 0.457 4.18
0.0120
4.15
0.0130
4.14
0.0150
4.12
0.0150
4.10
0.0160
4.10
0.0160
3x7628 40.0% Standard 0.0210 0.533 4.23
0.0120
4.20
0.0130
4.19
0.0140
4.17
0.0150
4.15
0.0150
4.15
0.0150
3x7628/1080 42.0% Standard 0.0240 0.610 4.18
0.0120
4.15
0.0130
4.14
0.0150
4.12
0.0150
4.10
0.0160
4.10
0.0160
4x7628 40.0% Standard 0.0280 0.711 4.23
0.0120
4.20
0.0130
4.19
0.0140
4.17
0.0150
4.15
0.0150
4.15
0.0150
4x7628/1080 42.0% Standard 0.0310 0.787 4.18
0.0120
4.15
0.0130
4.14
0.0150
4.12
0.0150
4.10
0.0160
4.10
0.0160
5x7628 40.0% Standard 0.0350 0.889 4.23
0.0120
4.20
0.0130
4.19
0.0140
4.17
0.0150
4.15
0.0150
4.15
0.0150

Prepreg Data

Glass Style Resin Content % Standard/Alternate Thickness (inch) Thickness (mm) Dielectric Constant (DK)/ Dissipation Factor (DF)
100 MHz 500 MHz 1 GHz 2 GHz 5 GHz 10 GHz
106 75.0% Standard 0.0025 0.064 3.52
0.0160
3.47
0.0180
3.45
0.0210
3.42
0.0220
3.39
0.0230
3.39
0.0230
1080 65.0% Standard 0.0033 0.084 3.69
0.0150
3.65
0.0170
3.63
0.0190
3.61
0.0200
3.58
0.0210
3.58
0.0210
2113 57.0% Standard 0.0042 0.107 3.85
0.0140
3.81
0.0160
3.79
0.0180
3.77
0.0180
3.74
0.0190
3.74
0.0190
2116 56.0% Standard 0.0054 0.137 3.87
0.0140
3.83
0.0150
3.82
0.0170
3.79
0.0180
3.76
0.0190
3.76
0.0190
1652 50.0% Standard 0.0059 0.150 4.00
0.0130
3.96
0.0140
3.95
0.0160
3.92
0.0170
3.90
0.0170
3.90
0.0170
2116 62.0% Alternate 0.0064 0.163 3.75
0.0140
3.71
0.0160
3.69
0.0190
3.67
0.0190
3.64
0.0200
3.64
0.0200
7628 42.0% Standard 0.0075 0.191 4.18
0.0120
4.15
0.0130
4.14
0.0150
4.12
0.0150
4.10
0.0160
4.10
0.0160
7628 47.0% Alternate 0.0084 0.213 4.06
0.0130
4.03
0.0140
4.02
0.0160
3.99
0.0160
3.97
0.0170
3.97
0.0170
7628 50.0% Alternate 0.0091 0.231 4.00
0.0130
3.96
0.0140
3.95
0.0160
3.92
0.0170
3.90
0.0170
3.90
0.0170

NOTE

Revisions:
A-Original-4/17
B-Added Standard & Alternate construction-8/18

Standard-Commonly available with the best availability.
Alternate-Available, but not stocked with longer lead time

Resources

Laminate & Prepreg Manufacturing

This presentation describes the process of laminate and prepreg manufacturing.

Contact Our Team For Product Information

Laminates, Prepreg, & PCB Materials
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