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일반적인 플라스틱 재료 문제에 대한 실질적인 답변

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Crystallization control during PLA '2079851475616104452

The process difference of PLA crystallization control is the key to quality.

Injection Molding PLA crystallization mold temperature amorphous holding pressure

Degradation producing lactic acid smell during PLA '2079851475616104452

Material Drying PLA hydrolysis lactic acid smell drying degradation

Shrinkage rate fluctuation of PLA products

PLA shrinkage rate fluctuation is closely related to crystallization behavior.

Molding Process PLA shrinkage rate crystallization holding pressure mold temperature

PLA products soften and deform at high temperature

The heat resistance of PLA is one of the biggest limitations of its application.

Production & Quality PLA heat resistance softening annealing crystallization

Bubbles in PLA '2079851475616104452 after moisture absorption

The hygroscopicity of PLA is the first obstacle to processing quality.

Material Drying PLA moisture absorption bubble drying moisture

PLA injection molded products yellowing and becoming brittle

PLA has poor thermal stability, and temperature control and residence time are the keys.

Injection Molding PLA yellowing brittleness thermal degradation temperature control

Wavy edge of PETG extruded sheet

PETG wavy edge affects the subsequent use of the sheet.

Extrusion & Post PETG wavy edge die lip gap edge cooling

Correlation between silver streaks on the surface of PETG products and gate position

PETG gate area silver streaks point to shear and moisture.

Molds & Tooling PETG gate silver streak shear heat moisture

Flow marks on PETG extruded sheet

PETG sheet flow marks point to die head flow channel design problems.

Extrusion & Post PETG sheet flow mark die head flow channel

Leakage of the screw head non-return ring during PETG injection

PETG non-return ring leakage directly affects the holding effect.

Injection Molding PETG non-return ring leakage holding pressure

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