B6657 (Type III, 1050g/m²) is a professional grade, direct weldable double side PVC coated high tenacity woven fabric designed specifically for biogas plants processing mainly vegetal feedstocks. Its flame retardant coating layers provide superior low permeability against methane, while additives protect against bacterial digestion, chemical, thermal and UV degradations for long-term, reliable performance. This membrane is suitable for both inner membrane (gas barrier) and outer membrane (structural skin) purposes.
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Total weight DIN ISO 2286/2 1998
- 1150 g/m2
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Composition
- Polyester + PVC
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Fabric (Warp/Weft) DIN ISO 2075
- Polyester/Polyester
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Lacquering
- glossy/glossy - Finishing: Glossy
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Breaking strength (Warp/Weft) ISO 1421/1 : 2016
- 5500 N/5cm / 5000 N/5cm
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Tear strength (Warp/Weft) DIN 53363 : 2003
- 800 N / 800 N
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Adhesion ISO 2411 : 2017
- 120 N/5cm
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Gloss level
- 45
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Temperature resistance EN 1876/1 : 1998
- -30/+70 °C
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Light fastness (Except white and (half-)transparent) ISO 105 B02 : 2014
- 7-8
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Gas permeability ISO 15105/1 : 2007 - DIN 53380/2 : 2006
- < 400 cm³/m².bar.d
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Flex resistance ISO 7854/B : 1995
- No cracks 100 000 flex cycles
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Fire behaviour_FR NF P 92-507:2004
- M2
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Fire behaviour_DE DIN 4102-1 : 1998
- B1
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Reaction to fire_EU EN 13501-1 : 2018
- B-s2,d0
Disclaimer
All technical specifications shown are non-binding and correct to the best of our knowledge.
