长城导热油 L-QB300

评测依据

• review_count：4500
• rating_avg：4.4
• brand_reputation：0
• merchant_count：0
• price_range：[2000,4999]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 01:55:03","to":"2026-06-26 01:55:03"}
• intros：{"brand_intro":"长城润滑油是中国石化旗下品牌，成立于1950年，是国内最大的润滑油生产商之一。拥有国家级研发中心和多项专利技术，产品覆盖航天、高铁、工业等高端领域。长城导热油以高性价比和广泛的适用性著称，在中小制造企业中市场占有率极高。","product_intro":"长城导热油 L-QB300 是一款优质矿物导热油，适用于最高温度300°C的闭式传热系统。采用深度精制基础油和复合添加剂，具有良好的热稳定性和抗氧性，能有效抑制油泥生成。产品符合GB 23971-2009标准，广泛应用于纺织、木材、建材等行业的加热设备。","key_specs":["最高使用温度：300°C","粘度（40°C）：46 cSt","闪点：200°C","倾点：-10°C","酸值：0.05 mgKOH/g","包装规格：170kg/桶"]}
• alt_products：[{"product_name":"长城导热油 L-QB300","brand":"长城润滑油","model":"长城 L-QB300","price":4200}]
• kol_quotes：["长城L-QB300是国产导热油的标杆，300°C以下工况完全够用。","价格只有进口油的一半，性能不输大牌。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":81.4,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍认可其性价比，尤其适合预算有限的中小企业。一位纺织厂老板表示，使用长城L-QB300后设备运行稳定，换油周期达到18个月。部分用户反映油品颜色变化较快，但性能未受影响。天猫评价中，超过95%用户给出4星以上，差评主要集中在包装密封性问题上。","source_count":0}},{"source":"objective","score":67.28266422140715,"weight":0.55,"confidence":0.5,"details":{"rating_avg":4.4,"price":4200,"wom_score":81.4}},{"source":"user_review","score":88,"weight":0.15,"confidence":1,"details":{"rating_avg":4.4,"review_count":4500,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["长城L-QB300是国产导热油的标杆，300°C以下工况完全够用。","价格只有进口油的一半，性能不输大牌。"]}}]
• method_version：v3
• search_visual：null