PTP blister foil is abbreviated from "Press through Packing", in Europe, "PTP" is known as "Press through Foil", in China, PTP blister foil is named "Pharmaceutical PTP blister foil", PTP blister foil that is also known as blister foil or push-through lidding foil is offered for heat sealing with PVC, PVDC, PP for pharmaceutical purpose in blister packing process, such as capsules, tablets, pill, etc.
Basic configuration of PTP aluminum foil is Protect layer (OP)/ printing inks/ Aluminum foil based-material (AL)/ Bond (VC).
PTP Blister Foil Specification
| Name | PTP Blister Lid Foil / HSL Alminum Foil |
| Structure | OP 1.0 gsm / ALU 20-30 mic/ VC 3-8 gsm |
| Specification | Width: 100 - 1000 mm; Thickness: 20 - 30 mic; Core ID: 76 mm, paper core; Roll OD: as purchasing order. |
| Technical data of PTP aluminum foils are offered as follows | |
| Foil Material | Full hard ( H 18 ) aluminum of alloy grade AA -8011 comforming to aluminum Association , USA , and specification |
| Foil thickness options | 0.024 ± 10% ( Foil gsm = 60.00 ± 2 ) 0.030 ± 10% ( Foil gsm = 75.00 ± 2 ) 0.034 ± 10% (Foil gsm = 86.00 ± 2 ) |
| Foil Surface options | One side bright & other side matt |
| Sealant | Heat sealable lacquer coating wt. : 3-5GM, coating surface ( dull or bright will be as per purchase order . ( Coating gsm options available 6-8 ). |
| Printing & lacquer Coating | Printing will be done as per artwork and original piece sample approved by the customer. For non-printed specification clear lacquer to be coated as a protective coating and good printability. Printing inks and lacquer coatings are capable to withstand 160 ℃ for 1 sec. dwell time. Ink Adhesion will pass cellotape test at medium rate of pull ( 100 mm / sec ). |
| Winding Direction | Printed or clear lacquer side is out in the finished reel unless otherwise specified in purchase order |
| Core | As specified in purchase order : Material : Plastic , Aluminum or Coardboard. ID 76 mm , with a tolerance of ± 1 mm . |
| Splices | Butt type with 50 mm red heat - resistant tape. Avg. number of joints < 2 per reel. |
| Reel O.D . | 80% of the reels in a consignment will have OD 250 ± 10 mm and rest may have smaller OD. For Jumbo rolls OD will be 350 ± 10 mm |
| Roll width | As specified ± 0.5 mm |
| Identification | Each reel is identified with a ticket having Reel No., Specification, and Mfg. date. |
| Packing | Pharma foil reels are packed in cardboard carton. Reels are putted in the PE bag and packed with corners and foam side protectors. Jumbo reels are packed in wooden box in suspended condition with necessary poly film wrapping, corners and foam side protectors . |
| Marking | Order No., Batch No., Gross & Net Wt. and other details as agreed mutually with customer |
Blister packages, sometimes called bubble packs, are made of a cardboard backing with individual pills or groups of pills inserted into a small plastic pouch that is covered by foil on the back side. This type of pharmaceutical packaging is often referred to as unit-dose packaging, because one blister equals one dose. Unit-dose packaging is often used by nursing homes and long-term care facilities because it is easier for staff members to count the remaining medication and to distribute it properly to patients. Easy-to-open blister packs are also helpful for patients who struggle with bottles or vials for medications they take at home.
PTP blister foil features oxygen resistance, moisture proof, leak proof, pollution proof, light proof, light weight, high tension strength and low shrink, and a degree of tamper resistance, and PTP blister foil can be easily cut in automatic production line, moreover, being easy pressed through of PTP blister foil distinctive character, comparing to other packing material, which ensures drugs can be drawn out easily.
