北玻博美防爆容量瓶 透明A级 带证书

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• intros：{"brand_intro":"北玻（博美）是北京玻璃仪器厂旗下高端品牌，成立于1950年，被誉为'中国玻璃仪器摇篮'。产品以高硼硅3.3玻璃为主，精度达到国际一流水平，长期为国家级实验室和跨国药企供货。其容量瓶系列附带校准证书，是追求极致精度用户的标杆选择。","product_intro":"该防爆容量瓶为500ml大容量规格，采用进口原料高硼硅玻璃，壁厚均匀且透明度极高。每只出厂均经独立校准并附有CNAS认可证书，容量允差优于国标A级。防爆设计通过加厚瓶底和应力消除工艺实现，可耐受-40℃~250℃极端温差。适合精密分析及标准物质配制。","key_specs":["材质：进口高硼硅3.3玻璃","容量：500ml（另有100/250/1000ml规格）","精度等级：A级（附校准证书，±0.20ml）","耐温范围：-40℃~250℃","瓶口：精密磨砂玻璃塞","防爆特性：应力消除+加厚瓶底"]}
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