Canadian Plastics

Comparison of Standard Vs. Thinwall Processing*

Key FactorsConventional Applications Thinwall ApplicationsTypical wall2.0 - 3.0 mm1.2 -2.0 mmless than 1.2 mmMachine...

September 1, 1999   Canadian Plastics



Key FactorsConventional Applications Thinwall Applications

Typical wall 2.0 – 3.0 mm 1.2 -2.0 mm less than 1.2 mm
Machinery Standard High-end Customized high-end
Inj. pressures 9,000 – 14,000 psi 16,000 – 20,000 psi 20,000 – 35,000 psi
Hydraulic system Standard Standard Accumulators, servo valves
Time to fill less than 2 sec 1 to 2 sec 0.1 to 1 sec
Cycle time 40 – 60 sec 20 – 40 sec 6 – 20 sec
Tooling Standard Better venting, Extreme venting, mold interlocks, more ejector pins, precise mold surface prep., better polish extensive ejection features, mold costs 30 – 40% higher vs. standard

*Courtesy of GE Plastics


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