Grilon F 40 NL is a nucleated, high viscosity polyamide 6. This product exhibits the following features: - Good gas barrier - Good mechanical properties - Good barrier against oils and fats - Good optical properties Application examples Grilon F 40 NL is suitable for the production of mono- and co-extruded blown and cast films. Grilon F 40 NL is used as barrier layer in multi-layer films for food packaging, mostly used as vacuum-bags (meat, fish, cheese) and thermoformed pouches (sausage packaging).