Product Description
Dow 1652SR 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) 5.4 g/10min 熔融峰值 100°C 维卡软化温度 79°C 结晶温度 81°C
Typical Applications
高速流延膜：食品易撕包装、高端透明复合膜 挤出涂层：纸 / 铝箔 / 玻璃纸热封涂层、瓶盖密封垫片 共挤热封层：与 PA/EVOH/PET 复合，可剥离功能层 片材 / 吸塑：需高透明 + 耐磨 + 易脱模的食品 / 医药包装
Key Features
- 流延 / 涂层专用 专属冷却辊脱模助剂，解决流延膜粘辊
- 高速剥离困难
- 膜面划伤，适配高速流延
- 挤出涂布。 高流动性（MFR 5.4） 四款中流动性最高，挤出速度快
- 薄涂均匀
- 充模优异。 保留 1652 核心性能 锌离聚物可剥离热封（易撕
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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