TECHNET Archives

May 1998

TechNet@IPC.ORG
Options: Use Monospaced Font
Show Text Part by Default
Show All Mail Headers

Message: [<< First] [< Prev] [Next >] [Last >>]
Topic: [<< First] [< Prev] [Next >] [Last >>]
Author: [<< First] [< Prev] [Next >] [Last >>]

Print Reply
Subject:
Re: FAB: FR1 laminate
From:
Don Vischulis <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Thu, 28 May 1998 20:24:44 -0500
Content-Type:
text/plain
Parts/Attachments:
text/plain (27 lines) 
Ed:

Don't know what FR-1 is, but FR-2 is a flame retardant form of paper phenolic laminate.  The
numbers after the FR appear to be assigned by performance and cost.  FR-2 is lower Tg, cost and
performance than FR-4 which is lower cost, performance, and Tg than FR-5.

Hope this was some help.

Don Vischulis
[log in to unmask]

Ed Cosper wrote:

> What is FR1  and how does it differ from FR4?

################################################################
TechNet E-Mail Forum provided as a free service by IPC using LISTSERV 1.8c
################################################################
To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body:
To subscribe:   SUBSCRIBE TechNet <your full name>
To unsubscribe:   SIGNOFF TechNet 
################################################################
Please visit IPC web site (http://jefry.ipc.org/forum.htm) for additional information.
For technical support contact Hugo Scaramuzza at [log in to unmask] or 847-509-9700 ext.312
################################################################

ATOM RSS1 RSS2