Standard Test Methods for
Rigid Sheet and Plate Materials Used for Electrical
Insulation1
This general is issued beneath the constant designation d 229; the range right now following the designation indicates the yr of
unique adoption or, in the case of revision, the yr of final revision. more than a few in parentheses suggests the 12 months of last reapproval. a
superscript epsilon (e) suggests an article exchange since the closing revision or reapproval.
This standard has been authorised to be used by companies of the branch of protection.
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