Application durations varying from 1 minute to nearly 20 minutes were observed. Magré conducted observations of subjects using fillers or putty for their DIY task. No room is specified for this task, therefore the parameters for a non-specified room are used here room volume is 20 m 3 and ventilation rate is 0.6 h −1 according to the General Fact Sheet. Here, the treatment with filler of screw-holes of an entire bookcase is considered before it is painted. This is not a large number, indicating that the product is not used that often.ĥ.3.1. In the UK approximately 800 kg of wood filler is sold per year according to information from EU RAR on bisphenol A (2003). Liquid wood is different from the lacquer and water based fillers/putties, because it is available in different wood colours. Furthermore, the products can be applied indoors, or both indoors and outdoors. The application of these products is rather superficial and should not be used for depths over 1 cm. These fillers are mainly used to repair little scratches and fill (screw) holes in wood to prepare the materials for another DIY task such as painting. The fillers and putties from tubes include the water based fillers/putties, lacquer based fillers/putties and liquid wood. The two-component fillers will be discussed in section 5.4. The products are ready to use or require a mixing and loading process the two-component fillers. The fillers and putties from tubes are generally used for shallow holes and gaps.
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