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Kenplas Forum ==> Blow Molding (Machine) ==> Bottle is not fully shaped
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TRY THESE SOLUTIONS,DECREASE TEMPERATURE IN THE BOTTOM ZONE AND OR DECREASE PREBLOW PRESSURE.
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Sir im facing problem in bottle blowing after bottle blowing bottom of bottle is getting white and very weak i tried all options in heating system and blowing time setting, still im facing same problem
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1. Increase heating temperature for unshaped zone;
2. Check if preform body is touched by cold things after heating (before blowing);
3. Increase blowing pressure/time;
4. Check air venting of blow mold;
5. Blow mold is too hot, thus enhance cooling for blow mold;
6. Preform is not suitable for this bottle, e.g. insufficient weight, unsuitable stretch ratio.
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This forum published since July 03, 2002.
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