Concrete liquid colour containing carbon black (REMEI & BPB GmbH & Co. KG)

The owner of this EPD shall be liable for the underlying information and evidence. The programme operator Kiwa-Ecobility Experts shall not be liable with respect to manufacturer data, life cycle assessment data and evidence. This is a Cradle to gate EPD.

This declaration refers to the product "Concrete liquid colour containing carbon black" manufactured by REMEI & BPB GmbH & Co. KG, which is a ready-to-use carbon-containing pigment suspension for coloring cement- and lime-bonded construction materials in accordance with EN 12878. For the placing on the market of the product in the European Union/European Free Trade Association (EU/EFTA) (with the exception of Switzerland) Regulation (EU) No. 305/2011 (CPR) applies. The product needs a declaration of performance taking into consideration EN 12878:2014-07 “Pigments for the colouring of building materials based on cement and/ or lime - Specifications and methods of test” and the CE-marking. For the application and use the respective national provisions apply. The representative product for the calculation is available in containers of approximately 800–1000 kg, Big Bags of approximately 1000 kg and canisters of approximately 20 kg. All described available packagings have been used for LCA calculations based on the consumption of packagings in 2022. The gross density of the product is 1.19 g/ml. The manufacture of concrete liquid colour containing carbon black takes place in Blomberg, Germany. The production includes the following steps after the delivery of raw materials: - Preparing the dispersing agent, preservative, soda (or 33 % NaOH), and water (possibly with 33 % defoamer) - Stiring the mixture for 5 minutes - Gradually adding the pigments into the running mixer, increasing the stirring speed as the viscosity rises until reaching full speed at the end. The pigment addition should take approximately 5 minutes. - After stirring for an additional 5 minutes, slowly sprinkle the stabilizer into the running mixer. The total stirring time should be 35 minutes, and the overall process time should be 45 minutes.

The product is used on concrete products, precast concrete elements and ready-mix concrete.