FR406

High Performance Epoxy Laminate and Prepreg

Download Data Sheet

Thermal PerformanceElectrical PerformanceIndustry Approvals
Tg
170°C		 Td
300°C		 Dk
3.93		 Df
0.0167
IPC-4101 /21 /24 /26
UL - File Number E41625
FR406 sets the industry standard for high performance epoxy materials.

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.

Product Attributes

Typical Market Applications

  • There are no typical market applications.

Product Features

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

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

Production & Manufacturing

  • Currently manufactured in Asia, North America
PropertyTypical ValueUnitsTest Method
Metric (English)IPC-TM-650 (or as noted)
Glass Transition Temperature (Tg) by DSC170°C2.4.25C
Decomposition Temperature (Td) by TGA @ 5% weight loss300°C2.4.24.6
Time to Delaminate by TMA (Copper removed)
A. T260
B. T288
10
>2
Minutes2.4.24.1
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 CTEPre-Tg13ppm/°C2.4.24C
Thermal Conductivity0.3-0.4W/mKASTM E1952
Thermal Stress 10 sec @ 288ºC (550.4ºF)
A. Unetched
B. Etched
PassPass Visual2.4.13.1
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-cm2.5.17.1
Surface Resistivity
A. C-96/35/90
B. After moisture resistance
C. At elevated temperature
3.0 x 108
—
8.0 x 108
MΩ2.5.17.1
Dielectric Breakdown>50kV2.5.6B
Arc Resistance90Seconds2.5.1B
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
ksi2.4.4B
Tensile Strength
A. Length direction
B. Cross direction
63.0
47.7
ksiASTM D3039
Young's Modulus
A. Length direction
B. Cross direction
3684
3116
ksiASTM D790-15e2
Poisson's Ratio
A. Length direction
B. Cross direction
0.191
0.154
—ASTM D3039
Moisture Absorption0.2%2.6.2.1A
Flammability (Laminate & laminated prepreg)V-0RatingUL 94
Max Operating Temperature130°CUL 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 https://www.isola-group.com for more details.
Revision B: Corrected units for Flexural and Tensile Strength

Core Data

ConstructionResin Content %Thinckness (inch)Thickness (mm)Dielectric Constant (DK) / Dissipation Factor (DF)
100 MHz500 MHz1 GHz2 GHz5 GHz10 GHz
1x1080
58.00
88.8%
0.00250.064
3.83
0.0139
3.79
0.0156
3.77
0.0178
3.75
0.0185
3.72
0.0191
3.72
0.0191
1x2113
44.00
44.0%
0.0030.076
4.14
0.0122
4.10
0.0135
4.09
0.0151
4.07
0.0157
4.06
0.016
4.06
0.016
2x106
65.00
65.0%
0.00350.089
3.69
0.0148
3.65
0.0167
3.63
0.0191
3.61
0.02
3.58
0.0204
3.58
0.0204
1x2116
45.00
45.0%
0.0040.102
4.11
0.0123
4.08
0.0136
4.07
0.0153
4.04
0.016
4.02
0.0163
4.02
0.0163
1x3070
48.00
48.0%
0.0040.102
4.04
0.0127
4.01
0.0141
3.99
0.0159
3.97
0.0165
3.95
0.017
3.95
0.017
106/1080
60.00
60.0%
0.00430.109
3.79
0.0141
3.75
0.0159
3.73
0.0182
3.71
0.019
3.68
0.0195
3.68
0.0195
1x1652
42.00
42.0%
0.0050.127
4.18
0.012
4.15
0.0132
4.14
0.0148
4.12
0.0153
4.10
0.0156
4.10
0.0156
106/2113
56.00
56.0%
0.00530.135
3.87
0.0137
3.83
0.0153
3.82
0.0174
3.79
0.0181
3.76
0.0186
3.76
0.0186
1080/2113
53.00
53.0%
0.0060.152
3.93
0.0133
3.90
0.0148
3.88
0.0169
3.86
0.0175
3.83
0.018
3.83
0.018
1x7628
41.00
41.0%
0.0070.178
4.21
0.012
4.18
0.013
4.17
0.0146
4.14
0.0151
4.12
0.0154
4.12
0.0154
2113/2116
44.00
44.0%
0.0070.178
4.14
0.0122
4.10
0.0135
4.09
0.0151
4.07
0.0157
4.06
0.016
4.06
0.016
2x2116
45.00
45.0%
0.0080.203
4.11
0.0123
4.08
0.0136
4.07
0.0153
4.04
0.016
4.02
0.0163
4.02
0.0163
2x2116
52.00
52.0%
0.00950.241
3.95
0.0132
3.92
0.0147
3.90
0.0167
3.88
0.0173
3.85
0.0178
3.85
0.0178
2x1652
42.00
42.0%
0.010.254
4.18
0.012
4.15
0.0132
4.14
0.0148
4.12
0.0153
4.10
0.0156
4.10
0.0156
2x1080/7628
47.00
47.0%
0.0120.305
4.06
0.0125
4.03
0.0139
4.02
0.0157
3.99
0.0163
3.97
0.0167
3.97
0.0167
2x7628
41.00
41.0%
0.0140.356
4.21
0.012
4.18
0.013
4.17
0.0146
4.14
0.0151
4.12
0.0154
4.12
0.0154
2x7628/2116
42.00
42.0%
0.0180.457
4.18
0.012
4.15
0.0132
4.14
0.0148
4.12
0.0153
4.10
0.0156
4.10
0.0156
3x7628
40.00
40.0%
0.0210.533
4.23
0.012
4.20
0.013
4.19
0.0144
4.17
0.015
4.15
0.0152
4.15
0.0152
3x7628/1080
42.00
42.0%
0.0240.61
4.18
0.012
4.15
0.0132
4.14
0.0148
4.12
0.0153
4.10
0.0156
4.10
0.0156
4x7628
40.00
40.0%
0.0280.711
4.23
0.012
4.20
0.013
4.19
0.0144
4.17
0.015
4.15
0.0152
4.15
0.0152
4x7628/1080
42.00
42.0%
0.0310.787
4.18
0.012
4.15
0.0132
4.14
0.0148
4.12
0.0153
4.10
0.0156
4.10
0.0156
5x7628
40.00
40.0%
0.0350.889
4.23
0.012
4.20
0.013
4.19
0.0144
4.17
0.015
4.15
0.0152
4.15
0.0152

Prepreg Data

Glass StyleResin Content %Thickness (inch)Thickness (mm)Dielectric Constant (DK) / Dissipation Factor (DF)
100 MHz500 MHz1 GHz2 GHz5 GHz10 GHz
10675.00%0.00250.064
3.52
0.016
3.47
0.0182
3.45
0.021
3.42
0.022
3.39
0.023
3.39
0.023
108065.00%0.00330.084
3.69
0.0148
3.65
0.0167
3.63
0.0191
3.61
0.02
3.58
0.021
3.58
0.021
211357.00%0.00420.107
3.85
0.0138
3.81
0.0155
3.79
0.0176
3.77
0.0183
3.74
0.019
3.74
0.019
211656.00%0.00540.137
3.87
0.0137
3.83
0.0153
3.82
0.0174
3.79
0.0181
3.76
0.0186
3.76
0.0186
165250.00%0.00590.15
4.00
0.0129
3.96
0.0144
3.95
0.0163
3.92
0.0169
3.90
0.0174
3.90
0.0174
211662.00%0.00640.163
3.75
0.0144
3.71
0.0162
3.69
0.0186
3.67
0.0194
3.64
0.02
3.64
0.02
762842.00%0.00750.191
4.18
0.012
4.15
0.0132
4.14
0.0148
4.12
0.0153
4.10
0.0156
4.10
0.0156
762847.00%0.00840.213
4.06
0.0125
4.03
0.0139
4.02
0.0157
3.99
0.0163
3.97
0.0167
3.97
0.0167
762850.00%0.00910.231
4.00
0.0129
3.96
0.0144
3.95
0.0163
3.92
0.0169
3.90
0.0174
3.90
0.0174
NOTE
Please Contact us for more details in below details.
Isola Group 3100 West Ray Road
Suite 301
Chandler, AZ 85226

Phone: 480-893-6527
Phone: 800-537-7656
Fax: 480-893-1409
FR406 Prepreg Supplemental Report
12/06/2017
FR406 Laminate Supplemental Report
12/06/2017
FR406 Prepreg Safety Data Sheet
10/03/2016
FR406 Laminate Safety Data Sheet
10/03/2016
FR406 Prepreg RoHS Declaration
12/06/2017
FR406 Laminate RoHS Declaration
12/06/2017
FR406 Processing Guide
10/17/2012

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