● Glass-reinforced hydrocarbon and ceramic dielectric

● Excellent high frequency performance due to Low dielectric tolerance and loss

● Stable electrical properties versus frequency

● Low Z-axis expansion and excellent dimensional stability

Application Area

Microstrip and Cellular Base Station Antennas
● Power Amplifiers
● Antennas

High frequency wireless communication

Satellite signal transmission equipment

  • Product Performance
  • Product Certificate
  • Data Download
Items Method Condition Unit Typical Value
Dielectric Constant,
Process Dk
IPC-TM-650 [1] 10GHz/23℃ - 3.42±0.05
Dielectric Constant,
Design Dk
Differential phase length test A - 3.61
Dielectric Constant IEC 61189-2-721 (SPDR) 10GHz/23℃ - 3.68±0.05
Loss Tangent IPC-TM-650 10GHz/23℃ - 0.0030
IEC 61189-2-721 (SPDR) 10GHz/23℃ - 0.0035
TcDk IEC 61189-2-721 10GHz (-40-150℃) ppm/℃ +50
Volume Resistivity IPC-TM-650 A MΩ·cm 1.1*108
Surface Resistivity
A 1.6*107
Tg IPC-TM-650 2.4.25 DSC >280
Td ASTM D3850 TGA (5% W.L) 390
CTE (X/Y/X-axis) IPC-TM-650 2.4.24 TMA (30-260℃) ppm/℃ 12/14/45
Peel Strength IPC-TM-650 2.4.8 288℃/10s N/mm [lb/in] 0.72 [4.11]
Water Absorption IPC-TM-650 D-24/23 % 0.06
Thermal Conductivity ASTM D5470 100℃ W/m·K 0.66
Tensile Modulus (LW/CW) ASTM D638 A GPa
Tensile Strength (LW/CW) ASTM D638 A MPa 175/245
Flexural Strength IPC-TM-650 2.4.4 A MPa 260
UL-94 C-48/23/50 Rating V-0


1. [1] For double-sided boards, S7136H (CH1) results in a thickness increase of approximately 0.0007'' (18μm) and the Dk decreases by about 0.1 as the core thickness decreases from 0.0207'' to 0.0107''.
2. All the typical values listed above are for your reference only and not intended for specification. Please contact Shengyi Technology Co., Ltd. for detailed information. All rights from this data sheet are reserved by Shengyi Technology Co., Ltd.
Remarks: C=Humidity conditioning, D=Immersion conditioning in distilled water, E=Temperature conditioning. The first digit following the letter indicates the duration of preconditioning inhours, the second digit the preconditioning temperature in ℃ and the third digit the relative humidity.