តើអ្វីទៅជា OPA នៅក្នុងស្រទាប់ alu alu foil?

ក្រដាស Alu Alu ត្រូវបានផលិតពី 3 ស្រទាប់. OPA គឺជាស្រទាប់ខាងលើ, ហៅថា ORIENTED POLYAMIDE ប្រកបដោយវិជ្ជាជីវៈ (ត្រូវបានគេស្គាល់ផងដែរថាជា nylon), អមដោយបន្ទះអាលុយមីញ៉ូម, and finally PVC film (standard three-layer structure: OPA/aluminum foil/PVC film).

Why is OPA used for alu alu foil production?

This material structure has the characteristics of multi-axis molding, which can fit well with other layers. OPA film has very high mechanical resistance to puncture and tear, which is also an important part to ensure good non-fracture molding characteristics, without any forming defects.

What is the thickness of OPA film in medicinal Alu Alu Foil?

OPA (នីឡុង) film thickness is commonly 25 មីក្រូ, this is the most common structure, depending on the standard, there may be other OPA film sizes.

What is the most common specification of alu alu foil blister packaging film?

There are a variety of aluminum foil structures, generally according to the barrier requirements of the production, filling cavity size requirements to produce, but the most commonly used structure is 25-micron OPA / 45-សន្លឹកអាលុយមីញ៉ូមមីក្រូ / 60 microns PVC film.