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Yaygın plastik malzeme zorluklarına pratik yanıtlar

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Poor LDPE Film Transparency

Transparency is determined jointly by plasticizing and cooling; adjust the process first and then evaluate material change, to avoid unnecessary cost increases.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Processing Machinery LDPE; film; transparency; haze; temperature; cooling

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LDPE Film Bubbles

Film bubbles point directly to moisture management; drying and leak prevention correspond to raw material and equipment sources respectively.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Material Drying LDPE; film; bubble; moisture; drying; leakage

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Poor LDPE Film Transverse Tear

Transverse-longitudinal balance is the basic goal of film design; blow-up ratio adjustment combined with resin modification can quickly correct the imbalance.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Processing Machinery LDPE; film; transverse tear; blow-up ratio; LLDPE; balance

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Insufficient LDPE Film Longitudinal Strength

Longitudinal strength is built by haul-off orientation; temperature and cooling work together to ensure molecular weight and crystallization quality.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Processing Machinery LDPE; film; longitudinal strength; draw ratio; orientation; frost line

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LDPE Film Blocking and Difficult Opening

Opening property is a hard requirement for bag making; combined adjustment of additives and process can balance efficiency and opening property.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post LDPE; film; blocking; anti-blocking agent; temperature; cooling

15 görüntüleme

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Improper LDPE Film Blow-up Ratio

The blow-up ratio is the knob for distributing transverse and longitudinal performance; only by tuning it together with the draw ratio can balanced mechanical properties be obtained.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurr...

Processing Machinery LDPE; film; blow-up ratio; transverse strength; orientation; stability

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LDPE Film Transverse Thickness Non-uniformity

Transverse thickness is guaranteed by the uniformity of the die gap and air ring; closed-loop automatic thickness measurement is standard equipment for wide film.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post LDPE; film; uneven thickness; die gap; air ring; thickness measurement

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LDPE Film Gel Particles and Gels

Gel particle control relies on three defense lines: plasticizing, filtration, and cleanliness; for high-end packaging film, it is recommended to use finer screens and shorten the replacement cycle.; After confirming effectiveness, solidify the parameters and practices into the work instruction to...

Extrusion & Post LDPE; film; gel particle; gel; screen; plasticizing

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LDPE Blown Film Melt Fracture Sharkskin

Sharkskin is the surface manifestation of shear instability; raising temperature, widening the gap, and adding additives are quick countermeasures, while adjusting resin rheological properties is the fundamental solution.; After confirming effectiveness, solidify the parameters and practices into...

Extrusion & Post LDPE; blown film; sharkskin; melt fracture; die lip; PPA

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Delamination of LDPE Injection Molded Products

Delamination = contamination and compatibility.

Extrusion & Post LDPE; '2079851475616104452; delamination; contamination; compatibility

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Kategoriler

Tüm Konular 11636 Material Drying 1439 Injection Molding 1506 Molding Process 740 Molds & Tooling 1506 Processing Machinery 2025 Extrusion & Post 2239 Blow Molding 315 Thermoforming 141 Material Analysis 1343 Production & Quality 382

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