Push-Through Foils (PTP) are manufactured by Wahren. These foils are specially designed for pharmaceutical blister packaging applications where tablets or capsules are dispensed by pushing them through the foil.
PTP foils are produced from high-quality aluminium foil coated with heat-seal lacquer and pharmaceutical-grade primers, ensuring strong sealing performance with blister films such as PVC, PVDC, Aclar, and Triplex films. The foil provides excellent protection against moisture, oxygen, light, and contamination, while allowing easy push-through opening for the end user.
Advanced coating and processing technology ensures consistent seal strength, superior barrier properties, and compatibility with high-speed blister packing machines used in pharmaceutical production.
Push-Through Foils are widely used in pharmaceutical blister packaging for sealing blister cavities containing tablets, capsules, and other solid dosage forms.
| Sr. No. | Test Parameters | Unit | Standard Specification |
|---|---|---|---|
| 1 | Aluminium Foil Thickness | Micron | 20 ± 10% |
| 2 | Aluminium Foil GSM | g/m² | 54 – 60 |
| 3 | Heat Seal Lacquer Coating | g/m² | 5 – 8 |
| 4 | Primer Coating | g/m² | As required |
| 5 | Seal Strength with PVC / PVDC | N / 15 mm | ≥ 6 |
| 6 | Pin Holes | No./m² | NIL |
| 7 | Barrier Properties | — | Excellent Moisture & Oxygen Barrier |
| 8 | Ink Adhesion (For Printed Foils) | — | Should Pass Tape Test |
| 9 | Residual Solvent | mg/m² | As per pharmaceutical standards |
| 10 | Reel Width | mm | As per customer requirement |
| 11 | Core ID | mm | 76 ± 1 mm |
| 12 | Packaging | — | Rolls packed with protective wrapping and edge guards |
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