FR402
4.25 Dk , 0.015 Df
140 Tg , 320 Td
/21
FR402 consists of a modified tetrafunctional epoxy resin system engineered for multilayer applications that require performance characteristics exceeding those of difunctional epoxies.
The formulation of FR402 is designed to enhance throughput and accuracy of laser based Automated Optical Inspection (AOI) equipment. FR402 offers superior resistance to chemical and thermal degradation.
Key Features
Performance and Processing Advantages
- High Tg – 140°C
- Superior performance through multiple thermal excursions
- Resistance to measling
- Extended capabilities
- UV Blocking and AOI Compatible
- Increased throughput and accuracy
- Compatible with all AOI equipment
- FR-4 System
- Processes as a standard FR-4
Purchasing Information
- Industry Approvals
- IPC-4101C /21
- UL Recognized – FR-4, File Number E41625
- (Part of Isola’s FR-4 Family)
Standard Availability
- Thickness: 0.002″ [.05 mm] to 0.125″ [3.2 mm]
- Available in sheet or panel form
- Copper Foil Cladding: Grade 3 (HTE), 1/2, 1 and 2 oz.
- Foil Options: Double treat, reverse treat
- Prepregs: Available in roll or panel form
- Glass Styles: 106, 1080, 2113, 2313, 2116, 1652, 7628, 7629