I just went through this myself. There is no real correlation between UL94
flame ratings and flame spread ratings. The test methods are completely
different and one cannot predict the flame spread rating from the flame
rating.
Richard Woods
----------
From: james Yoo [SMTP:[email protected]]
Sent: Thursday, September 07, 2000 6:54 PM
To: [email protected]
Subject: UL 723
Dear every one
I have question about UL 723 Tests for surface burning
characteristics of
building material.
What is the satisfaction flammable grade according to UL94 or UL746
If the
FSI(flame spread index) is below 200.
If anyone knows about that please let me know.
Best regards,
james Yoo
[email protected]
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