ISO 11357 is a multi-part standard titled:
"Plastics — Differential scanning calorimetry (DSC)"
This series of standards outlines how to use DSC to analyze the thermal properties of plastic materials. DSC is a powerful analytical technique that measures heat flow associated with phase transitions, such as:
🧊 Melting
❄️ Crystallization
🔥 Glass transition
🧪 Oxidative stability
🏭 Reaction kinetics
ISO 11357 helps laboratories, manufacturers, and quality teams perform consistent thermal analysis to assess the quality, behavior, and performance of plastic materials.
Thermal properties directly affect how a plastic material behaves in manufacturing, processing, and end-use environments. Inaccurate or inconsistent analysis can lead to:
🔧 Faulty mold design or process parameters
❌ Premature material failure
📉 Non-compliance with customer or regulatory requirements
ISO 11357 provides a standardized, validated approach for thermal testing, ensuring reliable, comparable, and certifiable data.
Implementing ISO 11357-aligned DSC testing offers major technical and quality advantages:
🔬 Precise Thermal Characterization
Determines critical thermal events such as glass transition (Tg), melting point (Tm), and crystallization.
🧾 Material Fingerprinting
Enables identification of polymer grades and blends.
🧪 Monitoring of Additives and Stabilizers
Analyze oxidation induction time (OIT) to assess stability and performance.
🔍 Quality Control and Consistency
Detects batch-to-batch variations in polymer behavior.
🧯 Thermal Safety Evaluation
Supports hazard assessment by identifying decomposition temperatures.
By implementing ISO 11357 with GMC’s expert guidance, your business gains:
✅ Accurate Material Specification
Eliminate guesswork with scientific thermal profiles for all plastic types.
✅ Reduced Product Failures
Identify unsuitable materials before they enter production or the market.
✅ Compliance with Buyer and Industry Standards
Deliver ISO-backed test results to customers and regulators worldwide.
✅ Faster R&D and Material Qualification
Make informed material selection decisions quickly with reliable data.
✅ Improved Manufacturing Efficiency
Optimize processing parameters such as molding temperatures and cooling times.
✅ Stronger Customer Confidence
Demonstrate high-precision material testing aligned with global best practices.
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