Thermal Breaks That Hold

Astro uses time tested Azon two-component polyurethanes that meet or exceed the American Manufacturers Association's AAMA TIR-A8-08 standards, AAMA Quality Assurance Guidelines, and AAMA Test Procedures.

	SI	IP	Test Method
Tensile strength	38 ± 7 N/mm²	5,500 ± 1,000 psi	ASTM D-638
Elongation at break	20+ %	20+ %	DIN 53455
Modulus of elasticity	1,655+ N/mm²	240,000+ psi	DIN 53455
Impact strength	22.9 KJ/m²	10.9ft lb/in²	DIN 53455
Notched izod impact	1.01 J/m	1.5ft lb/in minimum	ASTM D-256
Thermal conductivity K-factor	0.158 W/m °K	0.0913 Btu-in/(hr-°F-ft²) 1.095 Btu-in/(hr-°F-ft²)	ASTM C-518
Heat distortion temperature at 66 psi	60°C minimum	140°F minimum	ASTM D-648
Coefficient of linear thermal expansion	1.68 x 104 cm/cm °C	9.34 x 105 in/in °F

For a complete listing of AAMA specifications, or to purchase these publications, visit www.aamanet.org

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Did you know ...

• ... Astro's computerized Thermal Pour and Debridge operation sets the machine to the dimensions specified on your print that we store in our Oracle® database.