Active Standard: C550 - 10
C550 is in need of a P&B section. The task group has been charged with completing a round robin to develop P&B data.
Keywordsflatness; rigid thermal insulation; squareness; trueness; Block and board thermal insulation; Flatness; Lack of obliqueness; Obliqueness test; Squareness; Straightedge method; Trueness/squareness ;
Draft Under Development