- High purity due to usage of highest quality resins
- Continuous service temperature up to 260°C
- Superior etching for improved bondability
- Outstanding flex life (Norgard FR material)
- Smooth surface and low friction
- Excellent stress and crack resistance
- Conformity to common food and pharma regulations
- Great combination of long flex life and low permeability (Norgard LP material)
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Tank liners
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Pump & valve diaphragms
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Elastomer laminates
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Gas & liquid tight barrier in compensators and expansion joints
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Low friction & anti-squeak in automotive
Availability
Flex Barriers are available in widths up to 1350 mm and thicknesses down to 25 μm. A variety of standard dimensions is always available and kept in stock. Please contact the factory for further information, slit widths and minimum order quantities. Special thicknesses, widths or other requirements are available upon request.
Typical Properties
| Property | Flex Barriers FR (Flex Resist) |
Flex Barriers FR (Flex Resist), etched |
Flex Barriers LP (Low Permeability) |
Flex Barriers LP (Low Permeability), etched |
Test Method |
| Thickness | 0.1 - 4.0 mm | 0.1 - 4.0 mm | 0.1 - 4.0 mm | 0.1 - 4.0 mm | - |
| Surface tension, etched surface |
N/A | ≥ 45 mN/m | N/A | ≥ 45 mN/m | DIN ISO 8296 |
| Tensile Strength | ≥ 25 N/mm² | ≥ 25 N/mm² | ≥ 25 N/mm² | ≥ 25 N/mm² | DIN EN ISO 527 v = 50 mm/min microtensile specimen (according to ISO 13000) |
| Elongation at break | ≥ 300 % | ≥ 300 % | ≥ 280 % | ≥ 280 % | DIN EN ISO 527 v = 50 mm/min microtensile specimen (according to ISO 13000) |
| Filler content | None | None | None | None | Thermal Gravimetric Analysis |
| Appearance / Color | White | Brown* | White | Brown* | - |
| Property | Value | Test Method |
| Density | 2.11 - 2.15 g/cm3 | DIN EN ISO 1183-1 |
| Surface finish | Rt ≤ 5 μm for FR and LP Rt ≤ 10 μm for FR and LP (etched) |
DIN EN ISO 4288 |
| Dielectric breakdwon strength | 40 - 100 kV/mm for unfilled materials | ASTM D-149 thickness 0.05 - 0,5mm |
| Ball indentation hardness 132/60** | 28 N/mm2 for unfilled materials | DIN EN ISO 2039-1 thickness min 4mm |
| Coefficient of friction*** | 0.08 | - |
The values presented are typical values and should not be used for specification purposes.
Contact your Saint-Gobain Tape Solutions representative for more information.
Special requirements (e.g. thickness or color) are available. All values, except surface tension, are measured on non-etched film/laminate with a
thickness of > 0.1 perpendicular to molding direction.
*On etched side
**Raw material manufacturer data
***Ball on Disc, Ø=6mm, v=10mm/s, FN=2N, t=2h
