Representative image · Sencronom
Vacuum and process consumables · Breather, Bleeder
Polyester Breather 340 g/m²
Heavy felt that stays porous even under high autoclave pressure. Leaves an air path without crushing under pressure.
BB-340
- Operating range
- ≤ 204 °C · 6.9 bar≤ 399 °F · 100 psi
- Areal weight
- 340g/m²10oz/yd²
- Thickness
- 4mm0.157in
- Width
- 1500mm59.1in
Technical properties
| Parameter | Value |
|---|---|
| Physical / dimensional | |
| Thickness | 4mm0.157in |
| Areal weight | 340g/m²10oz/yd² |
| Color | White |
| Chemical / surface | |
| Resin system compatibility | Independent of the resin system |
| Process / commercial | |
| Roll width | 1500mm59.1in |
| Process compatibility | Oven cure, Autoclave |
Where it sits in the vacuum bag
The vacuum bag from mould to bag, with the layers each method uses. Hover over a layer or pick one from the list.
Method
5BreatherThis productCarries air to the vacuum port and spreads pressure evenly.
Layers, top to bottom
Numbers show the layup order.
Representative layup; layers vary with the method and the part.
Operating range
≤ 204 °C · 6.9 bar≤ 399 °F · 100 psi
032100212200392300 °C572 °F
- Maximum service temperature
- 204°C399°F
- Pressure resistance
- 6.9bar100psi
Method suitability
- Oven cureSuitableSuitable for Oven cure
Heavy felt; needs cutting at corners.
- Vacuum infusionNot used with this method
- AutoclaveSuitableSuitable for Autoclave
Keeps the air path open under pressure.
Supply and storage
- Resin compatibility
- Independent of the resin system
- Packaging
- Roll, 50 mRoll, 164 ft
- Storage
- Dry area
Alternatives in this group
Breather, Bleeder · Differences are relative to this product.
| Compare | Product | T max °C°F | P max barpsi | Areal weight | Thickness | Width | Oven | Infusion | Autoclave | Product page |
|---|---|---|---|---|---|---|---|---|---|---|
| Polyester Breather 80 g/m²BB-80 | 204°C399°F | – | 80g/m²2.36oz/yd²−260−7.67 | – | – | Suitable for Oven cure | Not used with this method | Suitable for Autoclave | ||
| Polyester Breather 150 g/m²BB-150 | 204°C399°F | 4bar58psi−2.9−42 | 150g/m²4.42oz/yd²−190−5.6 | 2mm0.079in−2−0.079 | 1500mm59.1in | Suitable for Oven cure | Not used with this method | Suitable for Autoclave | ||
| Polyester Breather 340 g/m²this productBB-340 | 204°C399°F | 6.9bar100psi | 340g/m²10oz/yd² | 4mm0.157in | 1500mm59.1in | Suitable for Oven cure | Not used with this method | Suitable for Autoclave |