ISO 15512 Plastic Moisture Content Testing Services
ISO 15512 is an international standard developed by the International Organization for Standardization (ISO) for the determination of the water content in plastics. The standard provides a method for measuring the moisture content of plastic materials, which is an important parameter for quality control and product development. ISO 15512 is used in various industries that manufacture and use plastic materials, such as automotive, construction, electronics, and packaging.
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- Overview
- Scope, Applications, and Benefits
- Test Process
- Specifications
- Instrumentation
- Results and Deliverables
ISO 15512 Water Content Testing Overview
ISO 15512 is an international standard for determining the water (moisture) content in plastic materials, including powders, granules, and finished products. It provides multiple analytical methods for accurately quantifying moisture levels, a critical parameter that affects processing and material performance.
Moisture content plays a significant role in polymer processing, as excess water can lead to defects such as hydrolytic degradation, reduced mechanical properties, and poor surface finish. ISO 15512 enables precise measurement using techniques such as Karl Fischer titration and vaporization methods, ensuring reliable and repeatable results.
Scope, Applications, and Benefits
Scope
ISO 15512 testing evaluates:
- Water content (% or ppm levels)
- Moisture in plastics (typically 0.001% to 0.1% range)
- Volatile-free moisture measurement
- Effect of moisture on processing and properties
- Hygroscopic behavior of polymers
Applications
- Thermoplastics (PA, PET, PC, ABS, PP, PE)
- Injection molding and extrusion processes
- Polymer granules and pellets
- Packaging and film materials
- Automotive and electrical plastic components
Benefits
- Ensures proper drying before processing
- Prevents material degradation and defects
- Improves product quality and consistency
- Enables accurate moisture control
- Supports material selection and validation
ISO 15512 Test Process
Sample Preparation
Samples are collected (~1–3 g) and handled in moisture-free conditions to prevent contamination.
1Moisture Extraction
Water is extracted using methods such as heating (vaporization) or solvent extraction.
2Detection
Moisture is measured using Karl Fischer titration or pressure-based (manometric) techniques.
3Data Analysis
Water content is calculated as % or ppm based on titration or pressure change.
4ISO 15512 Technical Specifications
| Parameter | Details |
|---|---|
| Test Type | Determination of water content using extraction, vaporization, or manometric methods |
| Applicable Materials | Plastics, polymer resins, and granules |
| Common Methods | Karl Fischer titration, gravimetric method |
| Sample Size | ~1–3 g |
| Sample Type | Granules, powders, molded plastics |
| Measured Parameter | Water content (%) |
| Detection Range | ~0.001% to 0.1% moisture |
| Output Data | Moisture percentage and analytical results |
Instrumentation Used for Testing
- Karl Fischer titrator (coulometric/volumetric)
- Drying oven or vaporization unit
- Manometric moisture analyzer
- Analytical balance (±0.1 mg)
- Inert gas supply (nitrogen/air)
- Data acquisition system
Results and Deliverables
- Moisture content values (% or ppm)
- Karl Fischer titration data
- Thermal/vaporization moisture analysis results
- Material suitability for processing
- Comparative moisture performance across samples
- Detailed laboratory test report
Why Choose Infinita Lab for ISO 15512?
Infinita Lab is a leading provider of ISO 15512 and streamlined material testing services, addressing the critical challenges faced by emerging businesses and established enterprises. With access to a vast network of over 2,000+ accredited partner labs across the United States, Infinita Lab ensures rapid, accurate, and cost-effective testing solutions. The company’s unique value proposition includes comprehensive project management, confidentiality assurance, and seamless communication through a Single Point of Contact (SPOC) model. By eliminating inefficiencies in traditional material testing workflows, Infinita Lab accelerates research and development (R&D) processes.
Looking for a trusted partner to achieve your research goals? Schedule a meeting with us, send us a request, or call us at (888) 878-3090 to learn more about our services and how we can support you. Request a Quote
Frequently Asked Questions
ISO 15512 determines the water content present in plastic materials. Measuring moisture levels is important because excess water can affect processing behavior, mechanical properties, and long-term performance of polymers.
ISO 15512 includes multiple methods such as Karl Fischer titration (extraction or vaporization) and manometric techniques, allowing accurate measurement across different plastic types and moisture levels.
Moisture in plastics can cause hydrolysis, surface defects, reduced mechanical strength, and poor molding quality, especially in moisture-sensitive polymers like polyamides and polyesters.
Industries such as automotive, electronics, packaging, aerospace, and medical device manufacturing rely on this test to ensure plastics meet strict quality and performance requirements.
ISO 15512 can measure very low levels of moisture, often from ppm levels up to several percent, depending on the method used and the sensitivity of the Karl Fischer titration system.
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