Breather is designed to aid in the evacuation of air from the dry composite fibers or pre-preg layers during the debulking process at room temperature; it also behaves as an open channel for gasses to escape during curing at elevated temperature and pressure whilst the laminate is still in its liquid phase before curing.
4.4 oz Breather Fabric
PRO-VAC 4.4 oz. Breather Fabric drapes easily and works well with single curvature and complex parts. This polyester breather fabric is good for autoclave pressure processes and can be used in multiple layers to increase the flow capacity. PRO-VAC 4.4 oz./yd2 (150 gsm) Breather Fabric is 0.07 in (1.8 mm) thick and has a maximum use temperature is 400°F (204˚C).
Sold in 100 m roll.
Download PV-90 4.4 oz Breather Fabric Technical Data Sheet
10 oz Breather Fabric
PRO-VAC 10 oz. Breather Fabric drapes easily and works well with flat and single curvature parts. This polyester breather fabric is good for autoclave pressure processes and can be used in multiple layers to increase the flow capacity. PV-92 10 oz./yd2 (340 gsm) Breather Fabric is 0.10 in (2.5 mm) thick and has a maximum use temperature of 400°F (204°C).
Sold in 50 m roll.
Download PV-92 10 oz Breather Fabric Technical Data Sheet