OPA/AL/HSL Tropical blister foil (AL-AL) is a creative and improved approach for packaging of PVC blister, seal laminates against PVC blister to bring tropical blister.   

Characteristics: It has good barrier performance, can protect against vapor, oxygen, UV rays, But  there is disadvantage that when the first tablet is taken out, the gap will weaken protection to each PVC blister.

Usages: For high level pills, it is the primary selection for high level physic packing materials because of its special characters.