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ROOFING PRODUCT INCLUDING ROOFING-GRADE ASPHALT MIXTURE AND METHODS OF MAKING THE ROOFING PRODUCT AND THE ROOFING-GRADE ASPHALT MIXTURE
ROOFING PRODUCT INCLUDING ROOFING-GRADE ASPHALT MIXTURE AND METHODS OF MAKING THE ROOFING PRODUCT AND THE ROOFING-GRADE ASPHALT MIXTURE
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机译:屋顶产品包括屋顶沥青混合料和制造屋顶产品的方法和屋顶级沥青混合物
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摘要
A method of forming a roofing-grade asphalt mixture can include mixing a bio-asphalt including a partially oxidized bio-source material, a bitumen source material different from the bio-asphalt, and particles to form the roofing-grade asphalt mixture. In an embodiment, the bitumen source material can have a softening point of at least approximately 102° C. and a penetration distance no greater than approximately 20 dmm. In another embodiment, the roofing-grade asphalt mixture can have a softening point of at least approximately 104° C., a penetration distance no greater than approximately 12 dmm, a viscosity of at least approximately 3000 cps at a temperature of 177° C., or any combination thereof. The roofing-grade asphalt mixture can be applied to a base material to form a roofing product.
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