PTP Aluminum Foil – Widely Used High

PTP aluminum foil (Press Through Packaging Aluminum Foil) is a widely used packaging material in the pharmaceutical, food, and nutritional supplement industries. Its core features include high barrier performance, moisture resistance, light shielding, and easy push-through functionality. Manufactured through a composite process combining aluminum foil and heat-seal coating, PTP foil effectively protects the contents from environmental factors such as oxygen, moisture, and UV light, while offering ease of use for consumers. It is a key material in pharmaceutical blister packaging and premium sealed packaging applications.

Structure and Composition

Layer	Material / Function	Thickness Range	Function
Outer Layer	Aluminum foil base material	20–40 μm	Core barrier layer: light-proof, moisture-proof, oxygen-resistant
Middle Layer	Printed coating (optional)	1–3 μm	Printed logos, brand information
Inner Layer	Heat-seal coating (PVC, PVC/PVDC, ALU)	3–6 μm	Bonds with blister plastics (PVC/PVDC) through heat sealing
Protective Layer	Protective film (optional)	5–10 μm	Prevents surface scratches and oxidation of aluminum foil

Key Features of PTP Foil

High Barrier Protection: Offers 100% resistance to oxygen, moisture, and UV rays, extending product shelf life and maintaining pharmaceutical stability.

Pharmaceutical Safety: Free from plasticizers and low in heavy metal residues; complies with FDA and EU pharmaceutical packaging standards.

User-Friendly: Easy push-through design ideal for elderly or pediatric use, improving medication adherence.

Printable for Traceability: Supports coding and printing of batch numbers, QR codes, anti-counterfeiting labels, etc.

Cost-Effective: Compatible with high-speed blister packaging machines; low material wastage and high production efficiency.

Sustainability Options: Available in water-soluble or recyclable designs to meet eco-friendly pharmaceutical packaging trends.

Specifications of Pharmaceutical PTP Aluminum Foil

Alloy	1100, 1200, 1235, 1145, 3003, 8006, 8011, 8011A, 8079
Temper	O, H18
Thickness	0.018–0.100 mm
Thickness Tolerance	±4% to ±6%
Width	200–1500 mm
Width Tolerance	±1.0 to ±1.5 mm
Core ID	76 / 152 mm
Outer Diameter	300–1200 mm

Mechanical properties of aluminum foil for PTP

Grades	Temper	Thickness/mm	Tensile strength/Mpa	Elongation/%
1235	O	0.018-0.025	40-100	1
		>0.025~0.040	50-110	4
		>0.040-0.100	55-110	8
1100, 1200, 1235	H18	0.018-0.100	≥135	-
1100, 1200	O	0.018-0.025	40-100	1
		>0.025-0.040	50-110	3
		>0.040-0.100	55-110	6
3003	O	0.018-0.025	80-130	1
		>0.025-0.040	80-130	4
		>0.040-0.100	80-130	8
8006	O	0.018-0.025	80-140	1
		>0.025-0.040	85-140	2
		>0.040-0.100	90-145	6
	H18	0.018-0.100	≥180	1
8011, 8011A, 8079	O	0.018-0.025	55-105	1
		>0.025-0.040	60-110	4
		>0.040-0.100	60-120	8
	H18	0.018-0.100	≥150	1

Wide Applications of PTP Aluminum Foil

Pharmaceutical Industry

Blister Packaging for Tablets & Capsules: PTP foil pairs with PVC, PVDC/PVC, or PP substrates to create sealed blister packs that shield products from oxidation and humidity.

High-End Drug Protection: Composite aluminum foil structures offer superior barrier performance, suitable for moisture-sensitive drugs.

Food Industry

Packaging for Confectionery & Chocolates: Ideal for blister-style packaging of chewing gum and chocolates, providing both freshness and visual appeal.

Extended Shelf Life: Effectively blocks oxygen and moisture, reducing oxidation and food spoilage, and supporting low-carbon packaging solutions.

Cosmetics Industry

Protective Sealing: Safeguards cosmetic products from external contamination, while allowing brand identity to be showcased through surface printing.