Overview
The asphalt series refers to a group of bituminous materials derived from crude oil refining or natural deposits. These products are categorized by their composition (e.g., paving-grade, oxidized, or polymer-modified) and are essential in infrastructure projects. Their versatility stems from their ability to bind aggregates and resist environmental stressors. Historically, asphalt has been used since ancient times for waterproofing and construction. Modern industrial processes ensure consistent quality, with standards like ASTM D946 and EN 12591 governing specifications. The material’s cost-effectiveness and recyclability further enhance its appeal for large-scale projects.
Physical and Chemical Properties
Asphalt exhibits unique rheological properties, transitioning from brittle to viscous depending on temperature. Its viscosity decreases when heated, enabling application, while its elasticity prevents cracking under load. Key metrics include penetration value (hardness), softening point, and ductility. Chemically, asphalt comprises saturates, aromatics, resins, and asphaltenes (SARA components). The ratio of these determines performance characteristics. For example, higher asphaltene content improves durability but reduces flexibility. Additives like polymers or sulfur can modify properties for specialized uses, such as high-traffic roads or extreme climates.
Main Applications
Over 80% of asphalt production is used in road construction, where it serves as a binder for aggregates in flexible pavements. Its waterproofing properties make it ideal for roofing shingles, sealants, and tank linings. Industrial applications include soundproofing materials and anti-corrosion coatings. Emerging uses include recycled asphalt pavement (RAP) in sustainable construction and porous asphalt for stormwater management. Polymer-modified variants (PMAs) are increasingly adopted for heavy-duty infrastructure, offering enhanced resistance to rutting and fatigue.
Safety and Storage
Asphalt fumes at high temperatures may contain hazardous polycyclic aromatic hydrocarbons (PAHs). Proper ventilation and PPE (e.g., respirators, heat-resistant gloves) are mandatory during handling. Storage tanks should be equipped with heating coils to maintain fluidity, avoiding temperatures above 200°C to prevent degradation. Spills must be contained with absorbents like sand, not water, due to asphalt’s hydrophobic nature. Fire risks necessitate Class B extinguishers (foam or CO₂). Long-term storage may lead to oxidation, altering viscosity; rotate stock periodically.
B2B Procurement Guide
Procurement professionals should prioritize suppliers with ISO 9001 certification and batch-specific test reports. Key parameters to specify include penetration grade (e.g., 60/70 for tropical climates), viscosity at 135°C, and flash point (minimum 230°C for safety). Bulk shipments typically use heated tankers or drums. Negotiate pricing based on crude oil market trends, with contracts often pegged to WTI or Brent indices. For specialized grades (e.g., SBS-modified), lead times may extend due to custom blending requirements.
Related Manufacturers
- 主营：[]暂无推荐商品
- 主营：沥青冷补料、沥青砂、路面灌缝胶、压缝带
- 主营：沥青冷补料、沥青砂暂无推荐商品
- 主营：水性防锈漆、防腐防锈水性漆、铁锈转化剂、环氧沥青防水涂料、彩钢瓦翻新防锈漆、隔音吸音材料、吸音阻燃涂料、外墙保温涂料、桥面防水、路桥防水、背水面防水、背水面补漏、外露型防水、红橡胶防水
- 主营：国标改质沥青、改制煤沥青、改质沥青、国标中温沥青、中温煤沥青、中温沥青出口、改质沥青出口、煤沥青、煤沥青厂家、煤沥青出口、预焙阳极用沥青、沥青粉、高温煤沥青、球沥青、沥青片、改质沥青厂家、高温沥青块、中温沥青块、液体沥青、无水焦油
- 主营：防水卷材设备、光氧净化器、蓄热式焚烧炉、房屋裂缝补漏防水沥青、活性炭一体机、电铺焦油除尘器、防水涂料设备、防水卷材生产线
- 主营：防腐涂料、玻璃鳞片胶泥、乙烯基玻璃鳞片胶泥、环氧煤沥青漆、环氧沥青漆、抗臭氧紫外线防腐涂料、改性乙烯基脂防腐防水、防碳化防腐涂料、混凝土保护剂、EMA高弹环氧改性防、901玻璃鳞片胶泥、渗透结晶防水涂料、LM水性聚酯复合防腐、LECA丙烯酸聚合物、LM纳米复合防水涂料、psq高防腐防水涂料、环氧玻璃鳞片涂料、中温玻璃鳞片胶泥、高温玻璃鳞片胶泥、环氧玻璃鳞片胶泥、内衬玻璃鳞片胶泥、防腐玻璃鳞片胶泥、中高温玻璃鳞片胶泥、脱硫塔玻璃鳞片胶泥
- 主营：增碳剂、煅烧焦、石墨化焦、沥青焦、特碳用沥青焦、负极用沥青焦、摩擦材料焦炭粉、摩擦材料合成石墨、球铁增碳剂、灰铁增碳剂、石墨增碳剂、半石墨增碳剂、负极用石油焦、负极用针状焦、针状焦、铸造增碳剂、高温石墨增碳剂、煅后石油焦、负极材料电阻料、负极材料用保温料
- 主营：燃料油、高温煤焦油、蒽油、国标改质沥青、国标中温沥青、高温沥青粉、石油沥青片、煤沥青片、石油沥青、高温颗粒、高温块
- 主营：高温国标改质煤、高温煤焦油、炭黑油、国标改质沥青、石油沥青、高温沥青、聚酯沥青、球沥青、煤沥青、沥青粉、国标中温沥青、洗油、蒽油
- 主营：彩色路面胶、气相法氧化铝、透水路面胶、冷拌沥青、板材粘接胶
- 主营：彩色陶瓷颗粒、改性环氧树脂、公园路面陶瓷颗粒、沥青改色路面、冷拌彩色沥青路面、彩色沥青路面改色涂料、彩色沥青喷涂路面、水性砂浆路面、无收缩砂浆路面、陶瓷颗粒发光路面、彩绘艺术路面、胶粘石路面、透水混凝土地坪、市政防滑路面、彩色路面、彩色路面粘接剂、彩色耐磨层、彩色陶瓷颗粒防滑路面、多色防滑路面材料、彩色防滑路面涂料、陶瓷颗粒彩色路面、彩色透水地坪、mma彩色防滑路面、聚氨酯彩色路面
- 主营：保温涂料、隔热涂料、防腐涂料、道桥用沥青防水、隔音涂料、防水涂料、桥面防水、无机硅声能凝胶、特种防锈漆、钢化漆、瓷砖空鼓修补胶
- 主营：22#白油、半石蜡、粉状脂、道路沥青、70号道路沥青、半固体沥青、A级沥青、改性沥青、石油沥青、石油焦、缝纫机油、工业石蜡、精炼石蜡、500基础油、精练石蜡、工业白油、橡胶防护蜡、工业级石蜡、工业级白油、碳石墨增碳剂、机油润滑油助剂、液体石蜡、阻燃增塑剂、防腐黏结剂、颗粒石蜡
- 主营：水性纳米中空玻璃微珠保温隔热材料、气凝胶、气凝胶保温涂料、二阶水性树脂沥青、2H隔热保温全效凝胶、保温找平凝胶、隔音涂料、无机硅声能凝胶、反辐射隔热涂料、回填宝、桥面防水涂料、硅烷浸渍剂、硅烷浸渍膏体、红橡胶防水涂料、防水涂料、环氧防腐涂料、自粘防水卷材、PVC防水卷材、耐根穿刺防水卷材、fyt-1、AMP-100、保温凝胶、乙烯基酯防腐涂料、环氧玻璃鳞片防腐涂料、氰凝防腐涂料、TPO防水卷材
- 主营：蓝颜料、黄色粉、生态砼、沥青油、地坪灰、混凝土、地坪绿、填缝剂、勾缝剂、透水砖、氧化铁、增强剂、胶粘砼、绿色粉、铁红粉、铁黑粉、着色剂、红色浆、铁棕粉、氧化铁红、氧化铁黄、氧化铁绿、氧化铁蓝
- 主营：煤焦油、石油树脂、橡胶增塑剂、石油沥青、乙二醇、液压油、润滑油、古马隆树脂、橡胶软化剂、稀释剂、水性树脂、工业氯化钙