Product Description
Dow 1652SB is a ionomer resin supplied by POLYVALA (Shanghai Polyvala Plastics Co., Ltd.). It belongs to the 沙林SURLYN family — 锌离子型 emaa 离聚物.
Key Specifications
- 密度 0.940 g/cm³ MFR (190°C/2.16kg) 4.6 g/10min 熔融峰值 101°C 维卡软化温度 79°C 结晶温度 81°C
Typical Applications
食品易撕包装：零食、咖啡、奶粉、奶酪、肉类高速自动包装膜 挤出涂布：纸 / 铝箔热封涂层、瓶盖密封垫片 复合膜热封层：与 PA/EVOH/PET 共挤，提供可剥离功能层 日化 / 医药：需耐磨 + 易撕 + 高透明的包装
Key Features
- 高速线友好 爽滑 / 抗粘助剂解决膜卷粘连
- 高速收卷打滑
- 开口难，适配高速吹膜 / 流延 / 挤出涂布。 保留 1652 核心性能 锌离聚物可剥离热封（易撕
- 不拉丝） 高流动性（MFR 4.6，接近 1652） 耐低温
- 耐油脂
- 高透明 加工范围广 吹膜
Sourcing with POLYVALA
- Flexible MOQ — single pallet to full container, mixed grades welcome
- Batch certificate / COA provided with every shipment
- Export documentation and consolidated freight from Shanghai port
- Sample available on request for evaluation
Note: Technical data above is compiled from manufacturer documentation for reference. Final specifications will be confirmed against the actual batch certificate.
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