Alpha Alaflex Style 4348 AMA 5/10 is a triple ply laminate made with a fiberglass scrim adhered with a fire retardant, thermo-setting adhesive to an aluminized polyester face and an aluminum foil backing. 1. Base Fabric – Fiberglass, 4 x 3 scrim. 2. Adhesive – Fire Retardant, Thermo-Setting. 3. Film – 1/2 mil polyester, aluminized. 4. Foil – Aluminum 5/10 mil. ADVANTAGES Aluminum surface (both sides), Excellent vapor barrier. APPLICATIONS Flex Duct Jacketing, Refrigeration liners.
Lower Continuous Operating Temperature (°F): '-40
Upper Continuous Operating Temperature (°F): 400
| Width | Various | 
|---|---|
| Roll Length | 550 | 
| Color | Foil/Scrim/MPET | 
| Base Fabric | 4×3 Glass Scrim | 
| Coating Type | NA | 
| Thickness (in.) ASTM-D-1777 | 0.006 | 
| Weight (oz/sy) ASTM-D-3776 | 2.325 | 
| Lower Service Temperature Limit (°F) | -40 | 
| Upper Service Temperature Limit, Continuous (°F) | 400 | 
| Tensile Strength ASTM-D-5035 | 30 | 
| Tear Strength ASTM-D-1424 | 700 | 
| Tear Strength ASTM-D-5587 | NA | 
| Burst Strength ASTM-D-3786 | NA | 
| Flame Resistance - Afterglow (sec) ASTM D-6413 | 2 | 
| Flame Resistance - Flameout (sec) ASTM D-6413 | 2 | 
| Flame Resistance - Char Length (in.) ASTM D-6413 | 2 | 
| UV Resistance ASTM-G-154 | NA |