标准编号：ISO 22766:2020
中文名称：塑料 真实野外条件下海洋生境中塑料材料崩解程度的测定
英文名称：Plastics — Determination of the degree of disintegration of plastic materials in marine habitats under real field conditions
发布日期：2020-03
标准范围
This document specifies test methods for the determination of the degree of disintegration of plastic
materials exposed to marine habitats under real field conditions.
The marine areas under investigation are the sandy sublittoral and the sandy eulittoral zone where
plastic materials can either be placed intentionally (e.g. biodegradable fishing nets) or end up as litter
due to irresponsible human behaviour. This depends on their physical characteristics, form and size of the materials, and on water currents and tidal movements.
This document specifies the general requirements of the apparatus, and the procedures for using the
test methods described.
The determination of the level of disintegration of plastic materials exposed to pelagic zones such as
the sea surface or the water column above the seafloor are not within the scope of this document.
This document is not suitable for the assessment of disintegration caused by heat or light exposure.
The described field test is a disintegration test and not a biodegradation test. Therefore, it cannot be
used for demonstrating biodegradation or for making unqualified claims such as “biodegradable in
marine environment” and similar.
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