Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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PMMA Product Haze After Polishing

Polishing = temperature and precision.

Molding Process PMMA; polishing; haze; surface treatment

PMMA Product Spraying/Printing Issues

Adhesion = clean surface + low stress.

Extrusion & Post PMMA; spraying; adhesion; stress

PMMA Extruded Sheet Bubbles

Sheet bubbles = drying.

Material Drying PMMA; extrusion; bubbles; drying; venting

PMMA Extruded Sheet Surface Defects

Sheet surface = plasticization + die lip.

Molding Process PMMA; extrusion; gel particles; die lip; screen

PMMA Optical Part Birefringence

Rainbow patterns = stress optical image.

Injection Molding PMMA; birefringence; rainbow patterns; stress

PMMA Injection Uneven Melt Temperature

Temperature uniformity = transparency uniformity.

Injection Molding PMMA; melt temperature; hot runner; uniformity

PMMA Annealing Process Missing

Annealing = the factory insurance for transparent structural parts.

Extrusion & Post PMMA; annealing; residual stress; cracking

PMMA Regrind Problems

PMMA regrind = prohibited in transparent parts.

Material Drying PMMA; regrind; transparency; embrittlement

PMMA Product Delamination

Delamination = contamination.

Extrusion & Post PMMA; delamination; contamination; mold release agent

PMMA Injection Black Specks

Transparent part black specks = zero tolerance.

Injection Molding PMMA; black specks; carbonization; dead corners

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