ISO 21306 is a multi-part international standard titled:
“Plastics — Unplasticized polyolefin (PE and PP) materials for Moulding and extrusion.”
It provides a designation system and test methodology to classify and assess:
The standard covers unplasticized thermoplastic materials used in processes such as injection Moulding, extrusion, film blowing, and sheet manufacturing.
This standard replaces multiple regional standards (e.g., ISO 1872-1, ISO 19069-1), creating a globally harmonized framework for the plastics industry.
Polyolefins like PE and PP are ubiquitous in modern manufacturing, but their performance varies significantly based on molecular structure, additives, and processing. Without a consistent classification system, material quality can vary, resulting in product failure, non-compliance, or supplier confusion.
ISO 21306 solves this by:
It is essential for manufacturers, resin suppliers, designers, and procurement teams involved in polymer-based products and components.
Implementing ISO 21306 provides tangible technical and operational advantages:
By adopting ISO 21306, your organization can realize several strategic business benefits:
Clearly classify and verify materials during sourcing and quality inspection.
Avoid mismatches and compatibility issues by using materials verified through standardized testing.
Consistent material properties lead to higher quality and reliability in finished goods.
Use ISO-aligned specifications for easier approvals in regulated markets or third-party certifications.
Material scientists and R&D teams can benchmark new formulations against standardized properties.
ISO 21306 helps businesses meet documentation and material classification requirements in international markets.
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