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Praktische Antworten auf häufige Herausforderungen mit Kunststoffmaterialien

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Q

EVA hot melt adhesive open time

A

Open time is a key parameter in hot melt adhesive selection; only matching the production tempo can bring out the bonding performance.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery EVA; hot melt adhesive; open time; tempo; selection; operation

Q

EVA film gel particles

A

EVA has high thermal management requirements; temperature and residence time control prevent gel.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar p...

Processing Machinery EVA; film; gel particle; gel; filtration; temperature

Q

EVA foaming decomposition temperature management

A

Foaming timing relies on precise temperature management; the temperature division of labor between the mixing and foaming stages must be clear.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery EVA; foaming; decomposition temperature; AC foaming agent; temperature control; timing

Q

EVA Shoe Sole Hardness Deviation

A

Hardness is a comprehensive indicator of foaming process stability; batch management is the key to control.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery EVA; shoe sole; hardness; foaming; crosslinking; batch

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 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 Foaming Additive Batch Fluctuation

A

Additive batch management is the basis of foaming stability; incoming inspection is more economical than post-adjustment.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery EVA; foaming; additive; batch; gas yield; supplier

Q

EVA Foaming Coarse Cells

A

The cell structure determines the foot feel and performance of foamed products; dispersion uniformity is the premise of cell quality.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery EVA; foaming; pores; cells; dispersion; mixing

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