Thermals: Therm-A-Gap® – A574 and F574 Typical Properties

Conduction

Typical Properties A574 F574
Composition Ceramic-Filled-Silicone Elastomer on 5 mil Aluminum Carrier Ceramic-Filled-Silicone with Interior Fiberglass Mesh
Color Light Grey Light Grey
Thickness, tolerance .040-.200 .020-.100
Thickness, inch .004-.010 .002-.010

Thermal

Typical Properties T174 A174
Thermal Impedance @ 10 psi °C-in2/W 1.1-2.86 0.6-1.6
Thermal conductivity, W/m-k @10 psi 1.6 1.4
Operating Temperatures Range -55 to +200 -55 to +200

Electrical

Typical Properties A574 F574
Dielectric Strength, Vac/mil Not applicable >200

Mechanical

Typical Properties A574 F574
Adhesive Shelf Life 12 months Not applicable
Adhesive Peel Strength oz/in 16 Not applicable
Hardness <5 <2
Specific Gravity 1.7 1.5
Flammability Rating (UL 94) V-1 HB