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baldur
Stranger

Registered: 06/30/21
Posts: 434
Last seen: 18 days, 9 hours
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How long impulse sealer for Unicorn XLS bags?
#27808183 - 06/06/22 10:15 AM (2 years, 7 months ago) |
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When sealing Unicorn XLS bags would I need a 400mm sealer or is 300mm enough?
I can either have the gusset folded inwards and use a 300mm sealer. But then I would be sealing 4 layers of plastic at some places, and 2 layers at others.
Or fold the gusset outwards and then I would need a 400mm sealer. But then the bag is laid out flat and only sealing 2 layers of plastic over the whole seal.
Which one would you guys choose?
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Fungi Fresh
Research department
Registered: 06/14/21
Posts: 13
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Re: How long impulse sealer for Unicorn XLS bags? [Re: baldur]
#27808213 - 06/06/22 10:36 AM (2 years, 7 months ago) |
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Hey I’m not sure on the length in mm but my sealer is 18 inches. On xls bags I have to keep it folded in. Just adjust for it on the temp but I run the highest temp. All I do is hold the sealer down for 8 seconds after the heat turns off and it works every time. Just mess with it and it will work out. At first I melted a couple bags but again the key is to keep the sealer held down while the bag cools. It comes out an even seal every time!
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baldur
Stranger

Registered: 06/30/21
Posts: 434
Last seen: 18 days, 9 hours
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Re: How long impulse sealer for Unicorn XLS bags? [Re: Fungi Fresh]
#27808223 - 06/06/22 10:51 AM (2 years, 7 months ago) |
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Quote:
Fungi Fresh said: Hey I’m not sure on the length in mm but my sealer is 18 inches. On xls bags I have to keep it folded in. Just adjust for it on the temp but I run the highest temp. All I do is hold the sealer down for 8 seconds after the heat turns off and it works every time. Just mess with it and it will work out. At first I melted a couple bags but again the key is to keep the sealer held down while the bag cools. It comes out an even seal every time!
Really, on an 18" sealer you have to fold the unicorn XLS bags?
Thats a bit surprising since according to the size guide:

link to guide
then the bag width is 9.5" and the gusset 2.8". So the total length should be 15.1" (9.5"+2.8+2.8)
But good to hear that you got this working with the gusset folded, maybe I´ll just go for a 12" sealer.
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PBJ710
Strangler


Registered: 07/05/19
Posts: 3,301
Last seen: 5 hours, 30 minutes
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Re: How long impulse sealer for Unicorn XLS bags? [Re: baldur]
#27808238 - 06/06/22 11:11 AM (2 years, 7 months ago) |
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Myers recommends 16-18" sealers for XLS - I switched from 12" to 16" so that I could flat seal 3T bags and only wish I would have bought it sooner. Absolutely zero seal issues since going flat seal. Make sure whichever one you choose uses at least a 5mm wide sealer band.
Mushroom Growing Impulse Sealer Buyers Guide
Edited by PBJ710 (06/06/22 01:00 PM)
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Fungi Fresh
Research department
Registered: 06/14/21
Posts: 13
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Re: How long impulse sealer for Unicorn XLS bags? [Re: PBJ710]
#27808239 - 06/06/22 11:13 AM (2 years, 7 months ago) |
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Maybe mine isn’t 18 inch after all. I’ll double check. I can do one side unfolded but honestly it’s easier just to go folded for me cuz we make some many bags at a time. I would however like a bigger sealer one day when this one bites the dust.
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baldur
Stranger

Registered: 06/30/21
Posts: 434
Last seen: 18 days, 9 hours
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Re: How long impulse sealer for Unicorn XLS bags? [Re: Fungi Fresh]
#27808798 - 06/06/22 07:48 PM (2 years, 7 months ago) |
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Thanks, would be great to know what sealer length you´re using
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