Rothoblaas - Tapes, Sealants and Membranes Strana 25
Nabídka komerčních zákazníků **Nejlépe prodávané z RothoBlaas Deutschland
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BITUMINOUS PRODUCTS WHAT THEY ARE MADE OF AND WHERE THEY COME FROM REFINING TOWER NATURAL ASPHALT LAKE Bitumen is a mixture of different substances, which is particularly suitable for combining with other materials to improve their mechanical and thermal properties. Bitumen itself is a solid black mass which, in the case of tapes and membranes, is mixed with inorganic fillers (calcium carbonate and silica) and polymers to obtain a mix, possibly also adhesive, with the desired properties. Bitumen has two origins: a natural and an artificial one. What is used industrially is artificial bitumen. Rothoblaas offers: BYTUM 400, BYTUM 750, BYTUM 1100, BYTUM 1500, BYTUM 2000, BYTUM BASE 2500, BYTUM SLATE 3500, SHINGLE, GROUND BAND, BYTUM BAND, BYTUM LIQUID, BYTUM SPRAY. mixing and temperature increase BITUMEN + OILS + POLYMERS + MINERAL FILLERS BITUMINOUS COMPOUND Bituminous products are a mixture of different ingredients. Although bitumen is the major component, the final properties are more similar to those of the polymer (present in smaller quantities in the bituminous compound). A bit like mayonnaise, which is mostly made of oil but whose consistency is more like that of eggs, which are present in a smaller proportion. This is possible thanks to a special production process. PROPERTIES The properties of bituminous products depend on the presence of each “ingredient”. The complex composition of bitumen influences its stability over time. FLEXIBILITY bitumen is very flexible; however, the presence of the mineral filler reduces its flexibility properties HARDNESS the hardness of the product is mainly due to the mineral fillers UV RESISTANCE the mineral part of the mixture protects it from ultraviolet radiation. Stone chips can cover the surface, protecting it properties SBS SBS AGEING bituminous products are more prone to ageing, which reduces its properties, and over time the oils in the bitumen tend to migrate ELASTICITY bitumen is a material with poor mechanical properties. For this reason it is modified by adding polymers such as SBS (styrene-butadiene-styrene) THERMAL STABILITY bitumen appears as a solid over a very narrow temperature range. The thermal stability range may vary depending on the ingredients added TAPES AND SEALANTS | BITUMINOUS PRODUCTS | 25
339 Stránky | Platí do 04/2024 | Previous page | Další stránka
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