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IsoClad 933 PCB Substrate Copper Clad Laminate Sheet

Categories Copper Clad Laminates
Brand Name: Bicheng
Model Number: BIC-332.V1.0
Certification: UL, ISO9001, IATF16949
Place of Origin: CHINA
MOQ: 1PCS
Price: USD9.99-99.99
Payment Terms: T/T
Supply Ability: 5000PCS per month
Delivery Time: 8-9 working days
Packaging Details: Vacuum bags+Cartons
Part number: IsoClad 933
Laminate thickness: 0.381mm 0.787mm 1.575mm
Laminate size: 305X460mm(12X18''); 24X18''(610X457mm)
Copper weight: 0.5OZ(0.018MM), 1OZ(0.035mm);
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IsoClad 933 PCB Substrate Copper Clad Laminate Sheet

IsoClad® 933 laminates are nonwoven fiberglass-reinforced PTFE composite materials tailored for deployment as printed circuit board (PCB) substrates. The nonwoven reinforcement architecture imparts enhanced flexural capability, making these laminates ideally suited for applications requiring post-fabrication circuit bending—conformal or “wrap-around” antennas represent a prime use case for this attribute.


Unlike standard nonwoven fiberglass/PTFE alternatives, IsoClad series laminates incorporate longer randomly oriented fibers and leverage a proprietary manufacturing process to deliver superior dimensional stability and enhanced dielectric constant (Dk) uniformity, even when compared to competitive products with equivalent dielectric constant values.


With a dielectric constant (Er) of 2.33, IsoClad 933 laminates utilize a higher fiberglass-to-PTFE ratio to form a highly reinforced composite structure. This optimized formulation achieves improved dimensional stability alongside elevated mechanical strength, without compromising core electrical performance.



Features

  • Nonwoven fiberglass reinforcement
  • Low dielectric constant (Er = 2.33)
  • Ultra-low signal loss


Benefits

  • Reduced rigidity versus woven fiberglass-reinforced laminates
  • Exceptional isotropy across the X, Y, and Z axes


Typical Applications

  • Conformal antennas
  • Stripline and microstrip circuits
  • Missile guidance systems
  • Radar and electronic warfare systems

PropertyTest MethodConditionIsoClad 933
Dielectric Constant @ 10 GHzIPC TM-650 2.5.5.5C23/502.33
Dissipation Factor @ 10 GHzIPC TM-650 2.5.5.5C23/500.0016
Thermal Coefficient of Er (ppm/°C)IPC TM-650 2.5.5.5 (Adapted)-10°C to +140°C-132
Peel Strength (lbs.per inch)IPC TM-650 2.4.8After Thermal10
Volume Resistivity (MΩ-cm)IPC TM-650 2.5.17.1C96/35/903.5 x 10⁸
Surface Resistivity (MΩ)IPC TM-650 2.5.17.1C96/35/901.0 x 10⁸
Arc Resistance (seconds)ASTM D-495D48/50>180
Tensile Modulus (kpsi)ASTM D-638A, 23°C173, 147
Tensile Strength (kpsi)ASTM D-882A, 23°C6.8, 5.3
Compressive Modulus (kpsi)ASTM D-695A, 23°C197
Flexural Modulus (kpsi)ASTM D-790A, 23°C239
Dielectric Breakdown (kV)ASTM D-149D48/50>45
Density (g/cm³)ASTM D-792 (Method A)A, 23°C2.27
Water Absorption (%)MIL-S-13949H 3.7.7; IPC TM-650 2.6.2.2E1/105 + D24/230.05
Coefficient of Thermal Expansion (ppm/°C)IPC TM-650 2.4.24; Mettler 3000 Thermomechanical Analyzer0°C to 100°CX Axis: 31
Y Axis: 47Y Axis: 35
Z Axis: 236Z Axis: 203
Thermal Conductivity (W/mK)ASTM E-1225100°C0.263
Outgassing Requirements125°C, ≤10⁻⁶ torr-
Total Mass Loss (%)Maximum 1.00%125°C, ≤10⁻⁶ torr0.03
Collected Volatile Condensable Material (%)Maximum 0.10%125°C, ≤10⁻⁶ torr0.00
Water Vapor Regain (%)-125°C, ≤10⁻⁶ torr0.02
Visible Condensate±125°C, ≤10⁻⁶ torrNO
FlammabilityUL 94 Vertical Burn; IPC TM-650 2.3.10C48/23/50, E24/125Meets requirements of UL94-V0

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