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For a bulb-type product that has a maximum diameter to neck diameter of 2-to-1, air ejection is possible with a minimum permanent deflection of the neck.
To make sure the degating process does not pull a hole in the part, the cross sectional size of the gate should be between 1/10 and 1/4 the thickness of the part wall section where the gate is located.
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In other words, the individual reinforcing fibers are aligned with respect to each other, and are exactly as long (usually 1/2 inch or 12 mm) as the pellet.
