天罡光稳定剂 T-770

评测依据

• review_count：4500
• rating_avg：4.5
• brand_reputation：0
• merchant_count：0
• price_range：[0,99]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 01:52:04","to":"2026-06-26 01:52:04"}
• intros：{"brand_intro":"北京天罡助剂有限责任公司是中国领先的高分子材料助剂生产商，成立于1991年，专注于光稳定剂和抗氧剂的研发与制造。公司拥有自主知识产权，产品出口至欧美、东南亚等30多个国家，是国内HALS光稳定剂市场占有率最高的本土品牌之一，以高性价比和稳定供应著称。","product_intro":"T-770是一种通用型受阻胺光稳定剂，白色结晶粉末，化学结构与巴斯夫Tinuvin 770类似，适用于PP、PE、ABS等通用塑料。它能有效抑制光氧化降解，延长制品在户外环境中的使用寿命。该产品性价比突出，广泛用于编织袋、周转箱、汽车内饰件等，是国产替代进口的热门选择。","key_specs":{"化学类型":"受阻胺光稳定剂（HALS）","外观":"白色结晶粉末","熔点":"81-85°C","添加量":"0.1%-0.5%","适用树脂":"PP、PE、ABS、PS","包装规格":"20kg/袋"}}
• alt_products：[{"product_name":"天罡光稳定剂 T-770","brand":"北京天罡助剂","model":"T-770","price":98}]
• kol_quotes：["天罡T-770是国产光稳定剂的'国民神车'，便宜够用。","做低端制品用天罡，做高端用巴斯夫，各取所需。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":81.4,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"中小型注塑厂用户普遍认为其性能与进口产品差距不大，但价格仅为进口的60%左右，性价比极高。编织袋生产商反馈在户外使用9个月后，产品颜色和强度均优于未添加样品。部分用户指出其热稳定性略逊于巴斯夫，在240°C以上加工时需注意。少数评价提到批次间颜色有轻微差异，但性能稳定。","source_count":0}},{"source":"objective","score":60.2930303030303,"weight":0.55,"confidence":0.5,"details":{"rating_avg":4.5,"price":98,"wom_score":81.4}},{"source":"user_review","score":90,"weight":0.15,"confidence":1,"details":{"rating_avg":4.5,"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":["天罡T-770是国产光稳定剂的'国民神车'，便宜够用。","做低端制品用天罡，做高端用巴斯夫，各取所需。"]}}]
• method_version：v3
• search_visual：null