Product Description
Dow 1652 is a ionomer resin supplied by POLYVALA (Shanghai Polyvala Plastics Co., Ltd.). It belongs to the 沙林SURLYN family — 乙烯 - 甲基丙烯酸（emaa）离聚物.
Key Specifications
- 密度 0.940 g/cm³ . 熔体流动速率 (MFR) 5.5g/10min (190°C/2.16kg). 熔点 (熔融峰值) 100°C . 维卡软化温度 79°C 雾度 (薄膜) ~4.0%
Typical Applications
易撕包装：零食 / 咖啡 / 奶粉易撕封口膜、瓶盖密封垫片。 挤出涂层：纸 / 铝箔 / 玻璃纸的热封涂层、食品复合包装。 高端透明包装：需耐磨 + 易撕 + 高透明的化妆品、医药、电子产品包装。 共挤热封层：与 PET/PA/EVOH 复合，提供可剥离热封功能层
Key Features
- 极佳的流动性（MFR 5.2） 远高于 1601 (1.3)，挤出速度快
- 充模好，适合挤出涂层
- 薄型流延膜
- 高速生产线。 独特的可剥离热封（Peelable Seal） 锌离聚物特性：封口强度适中
- 易撕开
- 不拉丝，用于易撕包装
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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