Kerasoy Container Wax - 25kg Box

Current Stock: 47
£76.80 £64.00
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Kerasoy Container wax is a new and very easy to use blend of soy and other natural waxes.

It provides excellent container adhesion, with minimal shrinkage, delivering an excellent finished appearance in clear glass.

There is usually no need to pre-heat glassware and the wax should be poured around 50C.

Like most soy blends, polymorphism can appear during or after cooling and between burns, but this is normal.  If you do get a poor surface, simply complete a top-up pour once the candle has cooled.  This is usually no more than 5-10% of the overall candle mass.  I.e. to 2-pour a 30cl (220g) candle, the first pour should be around 200g and the top-up should be around 20g.  This will deliver the best results.  The surface can also be smoothed using a heat-gun.

When we tested Kerasoy container blend in our laboratory, we got the best results with CL and Stabilo wicks.  For sizing purposes, a CL16/CL17 will usually wick a 75mm (30cl) tumbler.  This will clearly depend on the oil and load used, but is a useful start point for testing.



The below process is a very quick way of finding suitable wicks for your candles.  We recommend you conduct a slab test for every different blend of wax and oil that you intent to use, before making any candles :)


1.  Mix the wax and your chosen oil at the required loading (typically 7-10% fragrance)

2.  Pour the mixture into a large baking tray and allow to cool fully

3.  Remelt the surface so that it is flat and allow to settle for at least 24 hours

4.  Poke holes at ~10cm intervals using a skewer, screwdriver or similar

5.  Insert various wicks that you think may be suitable (we recommend trying as many as possible)

6.  Trim and light wicks in a draft free room

7.  Allow to burn for 3-4 hours, observing for clubbing, excessive smoke or flame height and wick posture

8.  Extinguish wicks, allow to cool and record diameter of melt pools for each wick, along with any observations on posture/clubbing/flame height

9.  Remove wicks and any residue from wax, then remelt surface and repeat steps 4-8 as required  (you may need pliers to remove the wicks)

10.  Once complete, the wax can be used to make candles of various sizes and conduct confirmatory container tests.


If done correctly, a slab test will provide you with a long list of wick options that will allow you to wick almost any size of container.  



Slab testing will help you to identify candidate wicks for your candles, but you will still need to conduct tests in the actual container you intend on using.  We call this container-specific burn testing.

We recommend that container specific burn testing be conducted in accordance with the following standards before putting candles up for sale...

  • EN 15493:2007 – 'Candles – specification for fire safety'

  • EN 15426:2007 – 'Candles – Specification for sooting behaviour'

You may also wish to apply safety labels as outlined in the following standard...

  • EN 15494:2007 – 'Candles – product safety labels'

These standards are available for purchase from The British Standards Institute and other bodies within Europe.

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