ISO 14855 is the biodegradability and disintegration of plastic materials in mechanically composted conditions at the end of their aerobic biodegradation, tested with the standard biodegradation test method. The primary technique is ultimately an aerobic biodegradable analysis based on evolved carbon dioxide. This standard is important for scenario modeling of industrial composting, among other biodegradable materials, when determining the environmental impact of these materials.
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Introduction to ISO 14855
Due to their increased production and waste, the permanence of plastic materials has surfaced widely faced environmental problem. And because of this, we now have effective biodegradable plastics to replace them. ISO 14855 provides a systematic scientific methodology to evaluate these materials’ biodegradability on the basis of composting conditions. These tests establish whether a specific plastic can actually be processed well in industrial composting facilities, for the activators to support end-of-waste, environmental organizations, and producers work towards waste reduction goals as well as sustainable development objectives.
ISO 14855 Test Method
This test is divided into two sections: the first uses respirometry to measure the amount of CO2 formed during the biodegradation process in order to determine the biodegradability; the second part, which is also known as ISO 14855-2, measures the amount of CO2 evolved in a laboratory-scale test.
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Test procedure for the general carbon dioxide emission method
In this test, the biodegradability is assessed by respirometry to quantify CO2 formed throughout the process of biodegradation. CO2 and H2O are the primary end-products of breakdown in plastic material, and coupling the CO2 production to measure how good the test material biodegrades. Regardless of what duration, you can very easily measure percentage degradation in a given time frame by determining the theoretical amount of CO2 produced.
Test procedure for the Gravimetric method
The ISO 14855-2 testing method regulates the temperature, aeration ratio, and humidity in the composting vessel to produce the best rate of biodegradation of plastic materials in mature compost. Using an absorption column loaded with soda talc and lime and an electronic balance, the mass of evolved CO2 is measured regularly to determine the degradation rate.
ISO 14855 Equipment and Sample Preparation
Specimen Details
Generally, ISO 14855-1 requires 50g of sample per measurement, with three test samples, totaling at least 150g, while ISO 14855-2 uses 10g of sample.
ISO 14855 Results and Interpretation
The percentage of biodegradation, which is the primary metric measured in ISO 14855, is determined by dividing the amount of CO₂ that has evolved from the test material by the theoretical maximum CO₂ that could be produced if the sample fully biodegrades. According to ISO 14855, a material is deemed biodegradable if, under test conditions, it converts at least 90% to CO₂ in 180 days.
Tests Related to ISO 14855
This test is similar to ASTM D5338 in evaluating plastic biodegradation. But the difference in focus as ASTM D5338 determines aerobic biodegradation under controlled composting conditions.
Use of ISO 14855 in Various Industries
Common industries used in the Packaging industry, the pharmaceutical sector, and the textiles industry
Materials Commonly Tested with ISO 14855
This test can be used with water-soluble polymers, copolymers, natural and/or synthetic polymers, or a combination of these. Additionally, it works well with plastic materials that have colorants or plasticizers added to them.
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FAQ's
Where can I get the iso 14855 tested?
You can share your iso 14855 testing requirements with MaTestLab. MaTestLab has a vast network of material testing laboratories, spread across the USA and Canada. We support your all material testing needs ranging from specific iso 14855 test to various testing techniques.
How much do I need to pay for the iso 14855 test?
Please contact us for a detailed quote for your iso 14855 testing needs. Cost incurred to carry out different iso 14855 testing methodology depends on the type of raw material; number of samples, coupons, or specimens; test conditions, turn around time etc. Costs of some ASTM testing methods start from $100 and the final value depends upon the factors listed above. Please contact us for the best and latest prices.
How many samples are required for iso 14855?
The required number of samples or specimens should comply with the procedure given in the iso 14855 standard. However, the MaTestLab operations team can assist you for your special requirements once you share your testing details with us.
How much discount can I get on the iso 14855 test?
MaTestLab has a vast testing laboratory network, hence we bring you the best testing facilities in a cost-effective way. We offer considerable discounts (15-20%) to our returning customers based on test volume and frequency.
How many days will it take to complete the iso 14855 test?
The turnaround time for iso 14855 test methodology depends upon the test procedure mentioned in the standard test document. However, we at MaTestLab understand your research requirements and hence try to get your test completed within the least possible time.
Where can I get the iso 14855 tested?
You can share your iso 14855 testing requirements with MaTestLab. MaTestLab has a vast network of material testing laboratories, spread across the USA and Canada. We support your all material testing needs ranging from specific iso 14855 test to various testing techniques.
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