Isola IS400

Isola IS400 is intended for multilayer Printed Wiring Board (PWB) applications where demanding thermal performance and high reliability are required. IS400 laminate and prepreg products are manufactured using Isola’s patented technology, reinforced with electrical grade (E-glass) glass fabric. This system delivers a 330°C decomposition temperature and a low Z-axis expansion.

Functions: Laminate

Reinforcement Material: Glass Fibers

End Uses: PCB Materials

Technical Data Sheet

Enhanced TDS

Knowde-enriched technical product data sheet

Identification & Functionality

Reinforcement Material
Composite Materials Functions
Technologies
Product Families

Features & Benefits

Materials Features
Ready-to-Use Product Features
Product Features

Industry Recognition

  • UL File Number: E41625
  • RoHS Compliant

Performance Attributes

  • CAF resistant

Processing Advantages

  • FR-4 process compatible

Product Attributes

  • High Thermal Reliability

Applications & Uses

Properties

Flame Rating
Typical Properties
ValueUnitsTest Method / Conditions
Arc Resistance120.0SecondsIPC-TM-650
Comparative Tracking Index (CTI)3 (175-249)VoltsUL 746A ASTM D3638
Decomposition Temperature (Td) by TGA (5% weight loss)330.0°CIPC-TM-650
Dielectric Breakdownmin. 50kVIPC-TM-650
Dk, Loss Tangent(100 MHz)0.02-IPC-TM-650
Dk, Loss Tangent(500 MHz)0.022-IPC-TM-650
Dk, Permittivity(100 MHz)4.0-IPC-TM-650
Dk, Permittivity(500 MHz)3.9-IPC-TM-650
Electric Strength (Laminate & laminated prepreg)48 (1100)kV/mm (V/mil)IPC-TM-650
Flammability (Laminate & laminated prepreg)V-0RatingUL 94
Flexural Strength Cross direction66.6ksiIPC-TM-650
Flexural Strength Length direction82.0ksiIPC-TM-650
Glass Transition Temperature (Tg) by DSC150.0°CIPC-TM-650
Moisture Absorption0.18%IPC-TM-650
Peel Strength (Low profile copper foil and very low profile copper foil all copper foil >17 μm [0.669 mil])1.05 (6.0)N/mm (lb/inch)IPC-TM-650
Peel Strength [125ºC (257ºF) (Standard profile copper)]1.25 (8.0)N/mm (lb/inch)IPC-TM-650
Peel Strength After process solutions (Standard profile copper)1.45 (9.0)N/mm (lb/inch)IPC-TM-650
Peel Strength After thermal stress (Standard profile copper)1.45 (9.0)N/mm (lb/inch)IPC-TM-650
Poisson's Ratio Cross direction0.151-ASTM D3039
Poisson's Ratio Length direction0.183-ASTM D3039
Relative Thermal Index (RTI)130.0°CUL 796
Surface Resistivity (At elevated temperature)5.4 x 10^6IPC-TM-650
Surface Resistivity (C-96/35/90)3.0 x 10^6IPC-TM-650
Tensile Strength Cross direction41.7ksiASTM D3039
Tensile Strength Length direction51.2ksiASTM D3039
Thermal Conductivity0.36W/m·KASTM E1952
Thermal Stress Etched [10 sec, 288ºC (550.4ºF)]Pass-IPC-TM-650
Thermal Stress Unetched [10 sec, 288ºC (550.4ºF)]Pass-IPC-TM-650
Time to Delaminate by T260 (Copper removed)min. 60MinutesIPC-TM-650
Time to Delaminate by T288 (Copper removed)min. 10MinutesIPC-TM-650
Volume Resistivity (At elevated temperature)7.0 x 10^8MΩ-cmIPC-TM-650
Volume Resistivity (C-96/35/90)4.0 x 10^8MΩ-cmIPC-TM-650
X/Y-Axis CTE Pre-Tg13.0ppm/°CIPC-TM-650
Young's Modulus Cross direction3328.0ksiASTM D790-15e2
Young's Modulus Length direction3663.0ksiASTM D790-15e2
Z-Axis CTE 50 to 260°C, (Total Expansion)3.3%IPC-TM-650
Z-Axis CTE Post-Tg250.0ppm/°CIPC-TM-650
Z-Axis CTE Pre-Tg50.0ppm/°CIPC-TM-650

Regulatory & Compliance

Certifications & Compliance

Packaging & Availability

Product Availability

Standard Material Offering: Laminate

  • 2 to 93 mil (0.05 to 2.4 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