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Types of Glass used in Pharmaceutical Industries

Types of Glass used in Pharmaceutical Industries

Parenteral Use
Type I Glass:
Highly Resistant Borosillicate.
Used for Buffered and Unbuffered aqueous solution.Type II Glas:
Highly Resistant Sodalime glass.
Buffered aqueous solution below pH 7.0Type III Glass:
Moderately Resistant Sodalime glass.
Used for dry powder and oily solution.Non-Parenteral Use
Type IV Glass:
General Purpose Sodalime glass.
Not for parenteral, for tablet,liquid oral and externals.

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Engineering Properties of Glass

  • Transparency
  • Strength
  • Workability
  • Transmittance
  • U value
  • Recycle property

Transparency of Glass

Transparency is the main property of glass which allows the vision of outside world through it. The transparency of glass can be from both sides or from one side only. In one side transparency, glass behaves like mirror from the other side.

Strength of Glass

Strength of glass depends on modulus of rupture value of glass. In general glass is a brittle material but by adding admixtures and laminates we can make it as more strong.

Workability of Glass

A glass can be molded into any shape or it can be blown during melting. So, workability of glass is superior property of glass.


The visible fraction of light that passing through glass is the property of visible transmittance.

U value of Glass

U value represents the amount of heat transferred through glass. If a glass is said to be insulated unit then it should have lower u value.

Recycle Property of Glass

Any glass can be 100% recyclable. It can also be used as raw material in construction industry.


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