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Adhesion with 4627


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I have tried everything with my wax to get it to adhere to the glass. Sometimes it's different than others. I know it's a temp issue but, this last time instead of being splotchy, the adhesion was like lines. I can't figure out how to stop the wax from pulling away like this. Well at least until summer gets here and it's warmer. Any other users figured out a solution? I'm about to switch to tins!

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I have tried everything with my wax to get it to adhere to the glass. Sometimes it's different than others. I know it's a temp issue but, this last time instead of being splotchy, the adhesion was like lines. I can't figure out how to stop the wax from pulling away like this. Well at least until summer gets here and it's warmer. Any other users figured out a solution? I'm about to switch to tins!

How are you cooling your candles? You might want to try putting them back in the boxes to cool. I just stack box on top of box and I usually leave them overnight and then finish them the next day.

Are you talking about jump lines when you say lines? If so, I notice I have more issues with jump lines since I have been using the turkey fryer. My fryer just doesn't keep a nice even temperature and my only choices are 175 or 200, which is too hot and too cold so the wax temp fluctuates from 180 to 200. I found I just have to watch the temp real close to know if I need to pour quickly or let my wax cool for a bit before I pour.

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Yes, I don't like the temp on the turkey fryer! I don't see why it can't do the in between temps! They aren't jump lines though...I don't know what it is! They cool all huddled together on the counter. I really can't wait for summer's heat and humidity!

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I don't know if it will work for your wax or not, but for mine, I preheat my oven to 170 (or the lowest setting yours has)....when I'm done pouring my candles, I pop them in the oven on a cookie sheet, turn the oven off, and let them cool overnight. The next morning when I open the oven door, I have wax adhered to all sides and no sinkholes! :grin2:

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All good suggestions, plus pour at the recommended temps. This isn't J-223 where pouring cool is recommended. More like 175 is good. Unless you've got a freaky batch, it shouldn't be too hard to sort out this problem. 4627 is normally one of the best as far as glass adhesion is concerned.

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I've been testing this wax this week and have 100% adhesion.

This is what I've been doing:

Heat wax to 175

Pour in pyrex measuring glass prefilled with FO & liquid color (the small 1 cup ones as I am pouring 8oz tumblers to test). Mix for 1-2 min with my little frother/mixer. Then pour immediately into tumblers that are room temp.

I checked the pour temp on one batch it was @ 140 because the FO cools the temp of the wax.

I live in florida so my house (Air Conditioning - I don't need an oven, it is HOT outside.) 73 (night) 76 (day).

Something to think about - when you pour at hotter temps, the wax will shrink more when cooling. The cooler you pour, the less shrinkage. It is a chemistry thing.

Try pouring at 130-140 and see how that works. Don't heat glasses too much as they will overheat the wax - again causing it to contract more when cooling.

Good luck!

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Candlesp2.jpg

I took a pic of my 4627 test tumblers I poured this week so you can see the adhesion. As you can see there is not a single wet spot or pull away.

Oh an excuse the bumpy top on the green one, I haven't heat gunned it yet. :)

Best,

Ilona

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I have been playing with this wax. I hate loading it in the melter but once it is in there all is well. BUT, in December I made several testers and lo and behold, each and every one of them had spots so bad the looked polka dotted! I haven't had time to go back and mess with it again. My guess was cold weather - is this possibly the reason? I poured at the recommended temp. They probably cooled too quickly - it is cold in my workshop. Also, I have issues with there being a small dip beside the wick. Not really a big sink hole that needs a repour but they do require a heat gun.

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