Poor optical film?
Blown film optical property is related material type and temperature and die gap size.
Q1: Frost line too high?
A1: Lower height of the frost line.
Q2: Molten temperature too low?
A2: Increase temperature of extruder and die head.
Q3: Happenings of melt fracture?
A3: See "Solution of Melt Fracture".
Q4: Too wide of die gap?
A4: Exchange narrower gap of die pins.
Q5: Formulation issue or additives problem such as too much of anti-block agent?
A5: Add higher flow index and lower density polymer and optimize level of additive.
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C.Y. Poor optical film? Introduction
Chuo Yii Enterprise Co. is Taiwan supplier and manufacturer in Foundry Industry. C.Y. has been offering our customers high quality Dual Lips Air Ring, Low Gauge Variation Air Ring, HDPE / LDPE / LLDPE / MDPE / PP / PVC / PLA Air Ring, Mono-Layer & Multi-Layer (1 / 2 / 3 / 5 / 6 / 7 Layer) Die Heads, IBC System, Down-Stream Air Ring, PLA Die Head, Rotary Mechanism, Manual and Auto Screen Changer, Central Column & Stabilizing Ring, Heat Sealing Blade, Aluminum Sand Casting Foundry OEM since 2009. With both advanced technology and 20 years experience, C.Y. always make sure to meet each customer's demand.