الوصف

PTP Physical Property
Item/Index
- The healt-sealing strength of adhesive coating, N/*5mm≥ 5.*8
- The binding property of covering layer: No obvious falling in the adhesive tape test
- The thermal stability of covering laywer (**0℃): No obvious falling
- Glue spread difference of adhesive coating, %≤ +/- *2.5
- Decoiling property: No adhesion between adhesive coating and covering layer
- Bursting strength, Kpa ≥ *8

PTP Chemical Property
Item/Index
- Fluorescent substance: Flakiness is not allowed (flakiness isn't allowable according to observation)
- Volatile, mp/0.*2M2 ≤ 4
- Dissolved matter test:
1. Easily oxidized substances; The consumption of 0.*2mol/Lpotassium permanganate can't be more than 1.0ml
2. Heavy metal ppm ≤ 0.*5