PDA Technical Glossary
PDA Technical Reports are highly valued membership benefits because they offer expert guidance and opinions on important scientific and regulatory topics and are used as essential references by industry and regulatory authorities around the world. These reports include terms which explain the material and enhance the reader’s understanding.
The database presented here includes the glossary terms from all current technical reports. The database is searchable by keyword, topic, or by technical report. Each definition provided includes a link to the source technical report within the PDA Technical Report Portal.
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Intrinsic Particles
Those particles that arise from sources related to the formulation, packaging, or assembly processes. In each of these cases, the particle material (e.g., glass, stainless steel, rubber, or gasket material) could be identified as a known product-contact material. (TR78)
A particle that comes from within the primary process. These are qualified product contact materials and are often associated with the primary packaging components. They are unplanned but not unexpected.(TR85)