Thick-gauge lidstock, Flexi6864, is a polyester/foil/heat-seal coated PE for physically demanding pharmaceutical and medical-device applications. It's reportedly engineered to heat-seal to thermoformed trays made of materials including Barex® AN, amorphous PET, crystallized PET, high-density PE, vinyl and PP.

Ampac Flexibles, 847/639-3530. www.ampaconline.com