Product Description
Dow 1707 is a ionomer resin supplied by POLYVALA (Shanghai Polyvala Plastics Co., Ltd.). It belongs to the 沙林SURLYN family — 钠离子型 emaa 离聚物.
Key Specifications
- 密度 0.950 g/cm³ ASTM D792 MFR (190°C/2.16kg) 0.9 g/10min ASTM D1238. 熔点 (DSC) 90~92°C ASTM D3417 维卡软化温度 58°C ASTM D1525 结晶温度 50~51°C
Typical Applications
食品包装：肉类、奶酪、油脂食品、重袋、冷冻食品（耐低温、耐穿刺、强密封）. 日化 / 医药：化妆品、药品、个人护理品（高阻隔、耐化学、安全）. 厚膜 / 结构层：高韧性复合膜、耐穿刺热封层、共挤结构层 片材 / 吸塑：高透明、高耐磨、高韧性食品容器.
Key Features
- 顶级热粘强度（Hot Tack） 钠离聚物中热粘最强型号之一，极低温度起封，封口在未冷却时即具备高强度，防漏
- 防爆开能力极强。 超高韧性 & 耐穿刺 低 MFR 带来高分子量
- 高熔体强度，抗冲击
- 耐穿刺
- 耐揉搓
- 耐磨，适合重包装。 优异耐油脂 & 阻隔性 高耐油
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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