Little Pro on 2019-04-19
Unlike EU REACH, K-REACH requires the registration of polymer itself. A new polymer substance must be registered prior to its manufacture or import and >=1t/y existing polymer substances must be pre-registered and registered within a given deadline. Some polymers can be exempt from registration if they meet the criterial for the polymer of low concern (PLC). Non-PLCs must be registered as regular substances. In this article, we will summarize how to register polymers under K-REACH with a focus on PLC criteria and reduced data requirements for the registration of non-PLCs.
OECD defines polymers of low concern as polymers that are deemed to have insignificant environmental and human health impacts. Examples include polymers with high molecular weight which are less likely to cross biological membranes and do harm. Under K-REACH, polymers of low conern are exempt from (pre-)registration. However, companies must submit applications of confirmation on exemptions (PLC exemptions) to authorites and obtain confirmation that their polymers meet PLC criteria.
The PLC criteria under K-REACH are listed as follows:
To apply for PLC exemptions, companies need to submit the following info:
Non-PLCs must be registered as regular substances according to the table below. A new polymer is defined as a polymer substance that is not listed in Korea Existing Chemicals List.
|New polymer substance < 100kg/y||
|New polymer substance >= 100kg/y||
|Existing polymer substance >= 1t/y||
The registration data requirements for non-polymers of low concern (Non-PLCs) can be reduced according to the schedule below.
K-REACH also offers reduced test data requirements for existing non-PLCs . For example, if an existing polymer substance does not have health hazard and environmental hazard (i.e, not GHS-classified), test data requirements can be reduced to the level of 1-10t/y irrespective of volume bands.
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