Medical aluminum foil thickness specifications

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Medical aluminum foil thickness specifications

Medical aluminum foil is used in various applications such as pharmaceutical blister packs, strip packs, and sachets. The thickness specifications for medical aluminum foil vary depending on its intended use. Below is a detailed description and table summarizing the typical thickness specifications.

Medical aluminum foil

Detailed Description

Pharmaceutical blister packs foil thickness

Medical aluminum foil used for blister packs is usually coated with a heat-sealing material to ensure good adhesion with PVC or PVDC. The typical thickness of aluminum foil for this purpose ranges from 20 μm to 30 μm.

Strip packs foil thickness

Strip pack foil is designed to protect tablets, capsules, or powders from light, moisture, and contamination. It is often made from soft-tempered aluminum with thicknesses ranging from 30 μm to 50 μm.

Sachets and pouches foil thickness

For sachets and pouches, aluminum foil is combined with other materials like plastic or paper to form a multi-layer structure. The aluminum layer is typically 6 μm to 20 μm thick.

Lidding  foil thickness

Used as a seal for containers and bottles, lidding foil typically has a thickness of 30 μm to 50 μm and may include a coating for heat-sealing.

Key Properties
Barrier Properties: Excellent protection against light, moisture, and gases.
Tensile Strength: High tensile strength ensures durability during handling.
Chemical Resistance: Resistant to most chemicals used in pharmaceutical products

Thickness Specifications Table

Application Foil Type Typical Thickness Range (μm) Comments
Blister Packs Plain or Coated Foil 20–30 Heat-sealable, used with PVC or PVDC for tablets and capsules.
Strip Packs Soft Aluminum Foil 30–50 Protects from moisture, oxygen, and light.
Sachets/Pouches Multi-layer Foil 6–20 Combined with other materials like plastic or paper for flexibility and strength.
Lidding Foil Coated Aluminum Foil 30–50 Heat-sealable coatings for sealing containers and bottles.
Pharmaceutical Closures Foil for Seals 50–100 Thicker foil used for larger closures to ensure hermetic sealing.

 

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