PTP blister foil is the abbreviation for “Press Through Packing.” In Europe, it is known as “Press Through Foil,” while in China it is referred to as "Pharmaceutical PTP Blister Foil." It is also commonly known as blister foil, blister lidding foil, or push-through lidding foil. This foil can be heat-sealed with PVC, PVC/PVDC, or aluminum foil, and is widely used for packaging capsules, tablets, or pills. It also supports double-sided printing and holographic printing.
Basic Structure of PTP Aluminum Foil:
Structure: Protective layer (OP) / Printing ink / Aluminum base foil (AL) / Heat seal coating (VC)
Blister Lidding Foil Specifications:
| Alloy | 8011 |
| Structure | OP Primer / Aluminum Foil / HSL |
| HSL Coating Weight | 3-4gsm; 4-5gsm; 5-6gsm; 6-8gsm |
| Thickness | 0.022mm ~ 0.050mm |
| Width | ≤1000mm |
| Length | Customizable |
| Core ID | 76mm / 152mm |
| Color | Up to 8 colors |
| Features | Excellent heat stability and hygiene |
| Applications | Packaging of pills, capsules, and tablets with PVC base film or cold-formed foil Suitable for blister packaging of candies, chocolates, and chewing gum |
| Packaging | PE bags + cartons or plywood cases + pallets |
Performance Advantages of PTP Aluminum Blister Foil:
1.100% barrier against moisture, gases, light, and UV rays
2.High thermal stability
3.Strong visual appeal for marketing and branding
4.Compatible with PVC/PVDC films, PET, PP, PE, or Alu-Alu sealing
5.Low-temperature sealing suitable for pharmaceutical and high-speed production lines
6.Easy-to-pierce aluminum layer allows for convenient access to tablets and capsules
7.Excellent print quality with no fading after sealing; supports single-side and double-side custom printing
8.Fully recyclable aluminum material
Application Areas of Push-through Lidding Foil:
Pharmaceutical Packaging:
Sealing of tablets, capsules, and pills (e.g., for vials or culture bottles)
Must be used with rigid PVC sheets
Excellent moisture and light protection ensures drug stability
Food & Personal Care Packaging:
Blister packaging for candies, chocolates, and chewing gum
Sealed individual packaging for premium cosmetics (e.g., serums)
MC Aluminum is a specialized manufacturer of pharmaceutical aluminum foil, producing a full range of products including blister foil, cold-formed foil, aluminum/polyethylene strip foil, child-resistant foil, and SP laminated boards. With complete product specifications and customization services, we export to many countries and regions worldwide. Trusted by clients globally, we invite you to order with confidence.
