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March 1999

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Subject:
From:
Joe Felts <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Tue, 2 Mar 1999 10:36:06 -0700
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In a heat-transfer program, I use 112 lbm/ft^3 (1.79 g/cc) for FR-4 B-stage epoxy but I forget my source.
...and I have 1.82 SG (1.82 g/cc, 113.6 lbm/ft^3) for NEMA FR-4 laminate from the Modern Plastics Ency. '86-'87.

J. Felts

-----Original Message-----
From:   Pucket, Larry Lee [SMTP:[log in to unmask]]
Sent:   Tuesday, March 02, 1999 9:58 AM
To:     [log in to unmask]
Subject:        [TN] FR4 Density

Looking for the density of FR4 material in grams/cc.

Thanks in advance.

Larry Pucket
[log in to unmask]

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