Nanotechnology and silicon polymer additives in the construction sector
Description of the landfill class
The addition of nanopolymer does not change the landfill class of the stabilised material.
According to research from the SGS Institut Fresenius GmbH (see attachment), the nanopolymer is to be classified with Water Hazard Class 1. This is due to the non-toxic components and the small amounts of admixtures.
If no pollutants were present in the material before the nanopolymer was installed, this must also be evaluated after installation. The use of nanopolymers does not add any other substance to the construction material that would change the landfill class.
If contaminations are already present before installation, the contamination class does not change due to the use of nanopolymer. Only the volume is increased by the amount of cement and nanopolymer.
Contaminated materials are bound in the layer stabilized by polymers and are thus neutralised. This must be proven in individual cases by eluate tests. After its useful life, the stabilised material has the same landfill class as before stabilisation. Only the volume increases.
Nanopolymer is not a microplastic
What is microplastic, what are polymers?
Microplastics are solid and insoluble synthetic plastics that are smaller than five millimetres. Dissolved, gel-like and liquid polymers are not included!
and liquid polymers are not included!
Polymers are macromolecules consisting of repeating basic building blocks (monomers). Technically produced polymers are contrasted with natural polymers, such as cellulose, lignin, starch, natural rubber or natural bitumen, which are not counted as plastics.
Nanopolymer does not contain microplastics, but liquid and dissolved polymers. EU chemicals regulations have been developed and implemented to protect the environment and humans and to regulate and to avoid the risk of substances introduced into the environment. REACH and CLP regulate the classification of hazards from chemicals, including polymers. REGULATIONS FOR THE PROTECTION OF THE ENVIRONMENT The European Chemicals Regulation for the Registration, Evaluation, Authorisation and Restriction of Chemicals REACH has the task of ensuring a high level of protection for man and the environment (European Union (EU) 2006) Nanopolymers are excluded from REACH and are not subject to registration. Nanopolymers are therefore classified in water hazard class 1, like the cement required for construction with nanotechnology.