Whipped Cream Separates While Piping

When I pipe my cake for decorating, some have a complex design so I take at least an hour. But after a while, the whipped cream started separating in the bag. Is this because of the warmth of my hands?? I have no idea why this happens.
Best Answer
Are you using an insulated piping bag with a disposable plastic piping bag inside? Is the room hot? Is the whipped cream over whipped?
To solve the heat problem, try folding a dissolved gelatin sheet into the whipped cream.
If the cream is over whipped it will start to look a bit grainy, as the fat starts to glob together as the fat turns to butter.
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Quick Answer about "Whipped Cream Separates While Piping"
3 Piping consistency: When piping whisked cream, it may overheat in a piping bag held by warm hands, and the last of the cream may curdle before it is piped. To avoid this, slightly under-whisk the cream, or only half-fill the piping bag.Super Quick Video Tips: How to Rescue Over-Whipped Whipped Cream
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Answer 2
I remember a pastry chef once explaining to me that if your pastry bag isn't totally clean and dry, any residual oils could "break" the cream, resulting in what you described. We would use DIY parchment paper bags for this very reason. And if the issue is indeed heat related just make up 2 bags and keep one in the refrigerator, switching back and forth between the two.
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