Problema y solución

Respuestas prácticas a los desafíos comunes de los materiales plásticos

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Q

EVA Shoe Sole Insufficient Wear Resistance

A

Wear resistance and lightweighting need to be balanced; the foaming ratio is the master switch of density and performance.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery EVA; shoe sole; wear resistance; density; foaming ratio; formula

Q

EVA Hot Melt Adhesive Weak Bonding

A

Bonding quality is a combination of surface state and process timing; open time management is often overlooked.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery EVA; hot melt adhesive; bonding; wetting; open time; surface

Q

EVA Hot Melt Adhesive Carbonization and Skinning

A

Carbonization and skinning is a cumulative problem of thermal management; liquid level and holding temperature management can prevent it.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery EVA; hot melt adhesive; carbonization; skinning; glue tank; temperature

Q

EVA Hot Melt Adhesive Unstable Viscosity

A

Hot melt adhesive application quality is guaranteed by temperature stability; oxidation management extends the service life of the adhesive.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post EVA; hot melt adhesive; viscosity; temperature; oxidation; glue tank

Q

EVA Film High Shrinkage Rate

A

Film shrinkage affects module reliability; low-shrinkage material plus process matching is the solution.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post EVA; film; shrinkage; cells; lamination; batch

Q

EVA Film Insufficient Crosslinking Degree

A

The crosslinking degree is the core indicator of film quality; the lamination process window and material freshness are both indispensable.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post EVA; film; crosslinking degree; lamination; storage; inspection

Q

EVA Photovoltaic Busbar Bending

A

Busbar bending is a coupling problem of exhaust and material fluidity; vacuum time and lamination pressure are the main adjustment parameters.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post EVA; photovoltaic; busbar; bending; lamination; exhaust

Q

EVA Photovoltaic Module Foreign Matter and Hair

A

Foreign matter control is a cleanliness management issue; static elimination and personnel behavior standards are the key.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery EVA; photovoltaic; foreign matter; static electricity; 6S; cleanliness

Q

EVA Photovoltaic Module Broken Cells

A

Broken cells are a typical problem of the superposition of human factors and process; soldering quality and operation specifications are the focus of prevention and control.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post EVA; photovoltaic; broken cells; cells; lamination; soldering

Q

EVA Photovoltaic Film Bubbles

A

Module bubbles have multiple sources such as material moisture absorption, insufficient vacuum and uneven temperature; setting process parameters according to the supplier window is a basic discipline.; After confirming effectiveness, fix the parameters and practices into the work instruction to ...

Material Drying EVA; photovoltaic film; bubble; lamination; vacuum; moisture absorption

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