ASTM C665 Test Plates

ASTM C665 Test Plates

Test plates conforming to ASTM C665 section 13.8.4.  This ASTM method is the standard specification for mineral fiber blanket thermal insulation used in residential construction.  The specification includes a corrosion test to ensure that the insulation will not cause excessive corrosion compared with a control substance when exposed to bare steel, aluminum and copper.


ASTM C665 test plates are available in all of the materials required by this specification:

1) ASTM C665 Steel Plates, 1 in x 4 in x 0.02 in (25 x 100 x 0.5 mm), bright No. 2 finish, cold-rolled low-carbon (1010) strip steel, quarter hard, temper No. 3.

2) ASTM C665 Aluminum Plates, 1 in x 4 in x 0.025 in (25 x 100 x 0.6 mm) Type 3003-0.

3) ASTM C665 Copper Plates, 1 in x 4 in x 0.02 in (25 x 100 x 0.5 mm) , in accordance with Specification B152/B152M Type ETP, No. 110 soft copper.

4) Woven Wire Screen, type 304 stainless steel, 1-1/2 in x 4-1/2 in x 0.063 in (38 x 114 x 1.6 mm), in a 7/16 in open square grid (2x2 grid)