FR406 No-Flo and
FR406 Lo-Flo® Specialty Prepreg
|Thermal Performance||Electrical Performance||Industry Approvals|
UL - File Number E41625
Isola offers a FR406N family of no-flow and low-flow prepregs consisting of proprietary resin systems specifically formulated for optimal performance in bonding applications requiring minimal resin flow and consistency in lamination.
FR406 No-Flo and FR406 Lo-Flo® products bring the fabricator specific thermal characteristics appropriate for use in heat sink bonding, die cavity board (direct chip attachment) and multilayer rigid-flex applications.
- RoHS Compliant
- Performance Attributes
- Machinable by steel rule die or punch
- Consistent dielectric spacing
- Complete encapsulation of non-planar surfaces
- Cure and form bond at low temperatures
- Allows for lamination at non-uniform pressures
- Adhesion to wide range of materials
- Flex films – (Mylar®, Kapton®, etc.)
- Treated or untreated copper
- Plated metals (tin, solder, nickel, etc.)
- Conventional laminate surfaces
- Standard Material Offering: Laminate
- Copper Foil Type
- Copper Weight
Standard Material Offering: Prepreg
- Roll or panel form
- Tooling of prepreg panels
Glass Fabric Availability
Production & Manufacturing
- Currently manufactured in Asia, North America, Europe
|Property||Typical Value||Units||Test Method|
|Metric (English)||IPC-TM-650 (or as noted)|
0.043 ±0.0008 (1.7 ±0.3)
0.069 ±0.0008 (2.7 ±0.3)
|Resin Flow Testing|
|Modified Circle Flow|
|Glass Transition Temperature (Tg) by DSC||170||°C||2.4.25C|
|Cure Temperature Recommended for Full Cure||370||°C|
|Min. for Functional Bonding||325||°C|
|Thermal Conductivity||.30||W/mK||ASTM E1952|
|Thermal Stress 10 sec @ 288ºC (550.4ºF)|
|Electric Strength (Laminate & laminated prepreg)||1750||kV/mm (V/mil)||220.127.116.11A|
|Peel Strength||Standard profile copper >>> After thermal stress|
|Flammability (Laminate & laminated prepreg)||V-0||Rating||UL 94|
|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.|
Visit our site http://www.isola-group.com for more details.
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