Product Description

Dow 20S2 is a functional masterbatch supplied by POLYVALA (Shanghai Polyvala Plastics Co., Ltd.). It belongs to the CONPOL family — 乙烯 - 甲基丙烯酸共聚物 (emaa).

Key Specifications

  • 有效成分 20% 非迁移型爽滑剂（脂肪酸酯 / 复合爽滑体系） 重量百分比 MFR (190°C/2.16kg) ≈55 g/10min 密度 ≈0.945 g/cm³ ASTM D792 熔点 (Tm) 95°C

Typical Applications

高要求食品复合膜：PET/NY/NUCREL AN4211 结构，长效爽滑、不影响铝箔复合牢度。 SURLYN 高端透明包装：香水瓶、化妆品盒，长效爽滑、高透明、无析出。 高温加工 / 热灌装膜：耐 260–280°C 挤出，爽滑稳定、不挥发、不污染模头。 长期储存薄膜：食品袋、工业膜，数月后开口性如初。 与 20B 黄金组合：20S2 (2–3%) + 20B (1.5–3%) → 长效爽滑 + 超强抗粘，EAA / 离聚物终极方案

Key Features

  • 非迁移型长效爽滑（最大差异） 20S1：传统酰胺类（如芥酸酰胺） → 快速迁移
  • 易析出
  • 高温挥发。 20S2：非迁移 / 慢迁移型爽滑体系 → 分子链嵌入树脂
  • 不析出
  • 长效稳定
  • 耐高温。 优势：爽滑效果持久（数月不变）

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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