Good Retortability

Nylon-MXD6 shows excellent gas barrier performance even after retorting or boiling treatment. As an example was shown in Table 1.2 and Figure 1.5, Nylon-MXD6 / PP multilayer container has much better gas barrier performance, after being retorted for 30 minutes at 120°C (248°F)

Table 1.2 Oxygen Permeation Rate of Nylon-MXD6/PP multilayer container Composition Thickness (µ) Oxygen Permeation Rate (cc/m2-day-atm) Before Retorting After Retorting (day) 1 7 14 30 PP//Nylon-MXD6//PP 140//40//180 0.6 12.0 0.9 0.64 0.62 PP//EVOH//PP 140//40//180 0.25 22.0 16.0 8.0 3.5