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20th May 2022, 10:06 AM

Dean Meynell started a thread IQ, OQ, PQ Sample Documents in General Injection Molding

Hello Moulders! Would somebody be so kind to send me examples of IQ, OQ and PQ Documents. I'd love to be able to see examples of Fractional Factorial...

0 replies | 6 view(s)

20th May 2022, 09:26 AM

Dean Meynell replied to a thread Pressure Gap in General Injection Molding

How do I start a post? A new thread? I'm a new member and it doesn't look as though I can do this. Any help would be appreciated. Thanks in advance!

8 replies | 313 view(s)

14th May 2022, 09:15 PM

dinho replied to a thread Pressure Gap in General Injection Molding

Hi, The P4072 is the switch-over pressure (Commutation pressure). and P4055 is the maximum pressure (or peak pressure). BR

8 replies | 313 view(s)

14th May 2022, 07:08 PM

rickbatey replied to a thread Color Shift in General Injection Molding

Colorant probably has the wrong carrier resin in it. Most likely, they're using HDPE and its not liking the base resin. Either that or they used a...

2 replies | 111 view(s)

14th May 2022, 07:05 PM

rickbatey replied to a thread “Splay” issue on PA66 GF30% with UV stabiliser. in General Injection Molding

So your 'splay', should be the UV stabilizer being damaged or consumed in the barrel due to the high barrel temps, mold temps, and residence time....

9 replies | 1127 view(s)

14th May 2022, 06:31 AM

Airwinghma replied to a thread “Splay” issue on PA66 GF30% with UV stabiliser. in General Injection Molding

Greetings; I was taught many years ago that there were two main causes of splay, heat and moisture. The old school way to tell is you could smell...

9 replies | 1127 view(s)

13th May 2022, 03:45 PM

Pilot replied to a thread Color Shift in General Injection Molding

please check the parts also under UV-light. It looks, that hte color masterbatch can be degradated. Please check the processing temp. and residence...

2 replies | 111 view(s)