{"id":1494,"date":"2019-10-24T10:38:46","date_gmt":"2019-10-24T10:38:46","guid":{"rendered":"https:\/\/penosil.com\/?page_id=1494"},"modified":"2025-07-30T07:46:17","modified_gmt":"2025-07-30T07:46:17","slug":"frequently-asked-questions","status":"publish","type":"page","link":"https:\/\/penosil.com\/uk\/knowledge-centre\/frequently-asked-questions\/","title":{"rendered":"Frequently asked questions"},"content":{"rendered":"\n
In addition to the usual range of chemicals, the formulas of the\u00a0ECO products<\/a>\u00a0contain various components, the synthesis of which many has different possibilities for the use of\u00a0renewable or recycled raw materials<\/a>, as well as for the\u00a0use of waste<\/a>. The following options are implemented in the manufacture of some of the main chemicals: The overall content of\u00a0sustainable materials<\/a>\u00a0for specific formula consists of relative shares of recycled\/renewable\/waste material quantities in used raw materials.<\/p> <\/div> The formulas are in large part (50\u201381 %, depending on the product) made from\u00a0sustainable raw materials<\/a>\u00a0using the latest technologies available in the field. It means a new climate-friendly steel with reduced CO2<\/sub>\u00a0intensity. The material properties do not differ from existing steel grades, aside from their reduced specific CO2<\/sub>\u00a0emissions.<\/p> <\/div> Penosil\u00b4s ECO cartridges are made from PCR (post-consumer recycled) plastic. This means that the material consists of plastic waste, with the different colours all mixed together. This mix cannot be white, it is usually dark grey, or black if black pigment is added. Penosil\u00b4s\u00a0ECO products<\/a>\u00a0come in dark grey cartridges.<\/p> <\/div> Due to the use of\u00a0bio-based raw materials<\/a>\u00a0instead of regular ones, the tone of the\u00a0adhesive<\/a>\u00a0is light beige.<\/p> <\/div> Sustainable raw materials<\/a>\u00a0of\u00a0ecological acrylic<\/a>\u00a0are chemically identical to conventional ones, just processed differently. Therefore, the colour is bright white, as generally the case for acrylics.<\/p> <\/div> Yes, the silicones are considered to have the best UV-resistance amongst the main type of sealants available on the market today.<\/p> <\/div> The discoloration of sealants happens mainly due to the contact of adjacent materials (migration), chemical vapours and fluids. Since in real life applications it is almost impossible to avoid the contact with different vapours and fluids, there is always a risk for discoloration of the sealant. In general, the acetoxy silicones and the acrylic sealants are less sensitive to yellowing when in contact with chemical vapours and fluids, compared to neutral silicones.<\/p> <\/div> It is difficult to predict the lifetime of the sealed joints, since it depends on many variables that are out of our control. Application conditions, installation techniques, exploitation conditions after curing \u2013 these are just some of the important variables that determine the lifetime of a sealant joint. In order to ensure the longevity of the sealed joints the sealants should be applied and maintained regularly according to the guidelines listed in our\u00a0manuals<\/a><\/p> <\/div> No, the silicone sealants are not overpaintable, since the paint does not adhere to the silicone surface. Among sealants, the overpaintable products are typically acrylic sealants, hybrid sealants and polyurethane (PU) sealants. The hybrid and polyurethane technologies can be painted over only with water-based products and we always recommend preliminary test, prior to the actual application.<\/p> <\/div> We recommend to cover the foam within a few days after curing to prevent damage by UV-light and sunlight.<\/p> <\/div> No, the foams are not UV-resistant and they need to be covered with suitable opaque sealant, filler, paint or other material.<\/p> <\/div> Yes, please check the TDS or the product package for further information.<\/p> <\/div> Yes, the cured foam can be cleaned mechanically with a scraper.<\/p> <\/div> Yes, the foam can be used outdoor, but it must be protected from weather conditions.<\/p> <\/div> With PENOSIL foams it is recommended to use Penosil foamguns which are specially developed to ensure best foam application results.<\/p> <\/div> Make sure the foam is fully cured. Use a sharp knife for best results.<\/p> <\/div> We recommended to moisten the dry substrates to ensure better results. Slightly spray the substrate with water and make sure there are no water droplets on the surface before applying the foam. Do not spray substrates with water in subzero temperature, as the water may freeze and worsen adhesion.<\/p> <\/div> PENOSIL product range offers special foams to use in subzero temperature. First, choose the suitable product that covers necessary application temperature range. Notice that\u00a0 the foam can temperature must be above +5 \u00b0C and in some cases even higher, please check the TDS or product package for more information. It is recommended to warm the foam can with water or air (max. +30 \u00b0C) before starting work in low temperatures.<\/p> <\/div> Always use supports to secure the door frames. We recommend to use low expansion foams to avoid deformation of the door frames. Usually the gunfoams provide lower expansion than the strawfoams.<\/p> <\/div> Yes.<\/p> <\/div> Yes.<\/p> <\/div> Uncured foam can be cleaned using PENOSIL Premium Foam Cleaner. Cured foam can be removed mechanically.<\/p> <\/div> Use PENOSIL Premium Cleaning Wipes to clean surfaces from uncured sealant.<\/p> <\/div> PENOSIL Premium Foam Cleaner can be used to clean uncured PU foam from surfaces. The Foam Cleaner can also be used for cleaning the foamgun after the foam application. For cleaning the foamgun, screw the canister on the gun and press the gun trigger. Please refer to the TDS or the product package for more information.<\/p> <\/div> 1 m2<\/sup>\u00a0of cured foam with thickness of 3 cm.<\/p> <\/div> PENOSIL EasySpray foam expands twofold. For example, when applying 1,5 cm layer of foam, it will expand into 3 cm.<\/p> <\/div> In order to achieve the best possible result, we recommend to use masking tapes. Our experience shows, that even in the hands of the most experienced craftsman, there is a possibility that a thin layer of sealant reaches between the spatula and sealing surface and as a result can stain the adjacent surfaces. Using masking tapes, helps to avoid this risk. More information about the correct application of sealants can be found in our\u00a0Sanitary Manual<\/a>.<\/p> <\/div>
Use of post-consumer recycled materials
Plant-based feedstock (instead of crude oil)
Mass-balance approach \u2013 certified consumption of bio-waste and residues in the chemical production process.<\/p> <\/div>
The\u00a0packages<\/a>\u00a0are the most sustainable on the market, made of PCR (post-consumer recycled) plastic and metal which is produced with three times lower CO2<\/sub>\u00a0than regular packaging.
Genuinely ecological products also offer superb product features; sustainability has been achieved without any compromise on product properties. In fact, the opposite is true, they offer the best user experience.<\/p> <\/div>