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LDPE Blown Film Bubble Breakage

For bubble breakage, first find the source of the weak spots.

Extrusion & Post LDPE; blown film; bubble breakage; gel; air ring

Excessive Shrinkage of LDPE Injection Molded Products

Dimension = holding pressure + measured correction.

Injection Molding LDPE; '2079851475616104452; shrinkage; holding pressure; dimension

LDPE Extrusion Temperature Fluctuation

For temperature fluctuation, check the sensor and actuator first.

Extrusion & Post LDPE; extrusion; temperature fluctuation; thermocouple; PID

LDPE Film Aging Yellowing

Yellowing = oxidative aging; manage storage well.

Material Analysis LDPE; film; yellowing; aging; storage

Material Shortage of LDPE Injection Molded Products

For material shortage, increase speed first, then check venting.

Injection Molding LDPE; '2079851475616104452; short shot; venting; gate

Bubbles at LDPE Blow Molded Bottle Mouth

For bottle mouth bubbles, check moisture content and the cut.

Material Drying LDPE; '2079851475616104457; bottle mouth; bubble; back pressure

Insufficient Puncture Resistance of LDPE Film

Puncture resistance = thickness + grade toughness.

Molding Process LDPE; film; puncture resistance; toughness; blending

Weld Lines of LDPE Injection Molded Products

Weld line = temperature and venting.

Injection Molding LDPE; '2079851475616104452; weld line; venting; melt temperature

LDPE Film Width Deviation

Width stability = bubble stability + accurate deviation correction.

Extrusion & Post LDPE; film; width deviation; lay-flat width; deviation correction

LDPE '2079851475616104452 Black Specks

Black speck = carbonization and contamination.

Injection Molding LDPE; '2079851475616104452; black speck; carbonization; contamination

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