A soy wax "grade" is three separate decisions bundled into one trade name: what the base is made of, how it behaves as it softens, and what has been added to it. A grade name tells you none of those three on its own. That is why the question "which grade matches this one?" cannot be answered from the name, and can be answered from a specification sheet in about ten minutes.

This is written for buyers who are being offered a substitute — a different brand, a domestic alternative, or a factory's own equivalent — and need to decide whether the two waxes are actually interchangeable for their candle.

Why a grade name is not a specification

Trade names are marketing, not measurement. The US market is full of named container waxes — Golden Brands 464, Golden Brands 444, EcoSoya CB-Advanced, Blended Waxes BW-921, coconut-apricot blends and others — and the names exist so that makers can refer to a known product, not so that buyers can compare across brands. Two grades with similar names can differ in base, in additive package and in the temperature they are meant to be poured at.

The practical consequence: when someone offers you "the same as 464", you have been told nothing you can verify. Ask for the sheet.

The three things a grade actually fixes

One: the base and the blend

Soy wax is not a single substance. It can be 100% soy, or a soy blend carrying paraffin, coconut, palm or other waxes to change hardness, adhesion or throw. This is the decision with the largest effect on the finished candle and the one least visible in a name.

It also affects what you can claim. On the US market, a wax that is genuinely all-soy can be described as all-natural soy wax, and at least one widely sold grade is specifically marketed to makers who want to say "100% soy" — while others are all-natural waxes that still contain soy-based additives. The marketing claim and the composition are two different questions, and only the specification answers the second.

Two: melt behaviour, and the method behind the number

Every spec sheet quotes a melt or softening point, and almost nobody asks how it was measured. That is the most common source of a wrong substitution, because the same wax can carry different numbers under different test methods.

ASTM D87 — Standard Test Method for Melting Point of Petroleum Wax (Cooling Curve), active and last updated in October 2025 — is the method most used for waxes that are paraffinic or crystalline in nature, precisely because those exhibit a plateau as they cool. Its own note is the part buyers should read: results may differ depending on the method used, and the standard points to two other test methods for related materials — see ASTM D87-25.

So the first comparison line between your current wax and a proposed substitute is not the number. It is the number and its method.

Three: the additive package

Additives are where two visually identical waxes diverge in the candle. Soy-based additives are commonly used to reduce frosting and to strengthen fragrance throw, and a supplier that sells both an additive-bearing grade and a plain one will steer you differently depending on how you are shipping and how long your product sits on a shelf.

Frosting is worth understanding rather than avoiding. It is the small crystal formation that appears on the surface and sides of soy wax over time. It does not affect how the candle performs, all soy waxes frost to some extent, and some grades simply show it less. If your market sees a frosted top as a defect, that is an additive and grade question, not a fault in the pour.

What a properly published specification looks like

It is worth seeing one, because the standard is higher than most buyers expect. The product page for one widely sold US container soy wax publishes, without being asked: wax type, physical form, appearance, recommended wick series, melt point in both Fahrenheit and Celsius, pour temperature, oil content, ingredient list, and a recommended fragrance load for two different applications — ten percent for containers, six percent for tealights — as well as the cure time it expects.

For that particular grade the published melt point is 113°F (45°C) with a pour temperature of 135°F (57.2°C) — you can read the full set on the Golden Brands 464 page. Two details in there are the ones buyers miss: the pour temperature is 22°F above the melt point, and the same manufacturer notes the grade can be too soft for summer shipping, pointing to a higher-melt-point sibling instead.

That is the shape of a specification you can compare. If a proposed substitute arrives as a name and a price, it is not yet a specification.

Why two "container soy waxes" can be 13°C apart

Our own granular container base is specified at 58°C. The grade above is published at 113°F, which is 45°C. Both are container soy waxes, and the numbers are 13°C apart. That is not an error in either sheet.

The gap comes from two places at once. The base is different — a 100% soy granular base and a flake grade carrying soy-based additives are not the same material. And the measurement can be different: ASTM D87 is a method written for petroleum waxes, and its scope excludes certain wax families and blends of them with paraffin or scale wax, so a vegetable wax figure may be produced by a different determination altogether. A number without its method and its base is a label, not a measurement. Our 58° soy wax explainer covers what that figure does to pour, set and fragrance load.

How to judge a proposed substitute

Compare five lines, in this order. If any line is missing, the answer is "send the sheet", not "probably fine".

  • Base and composition. 100% soy, or a soy blend, and with which other waxes.
  • Melt or softening point, with the test method named. Not the number alone.
  • Additive package. What has been added, and what it is there to do.
  • Form and packaging. Flakes, pastilles, granules or pearls, at what pack weight — this changes melt behaviour on your line and density in your container, as we cover in flakes versus pellets versus granules.
  • Recommended pour temperature and fragrance load. The two numbers that decide whether your existing process still works.

Then test rather than conclude. A substitution is only proven by a test burn with your own wick, your own vessel and your own fragrance, which is the whole point of testing samples before a bulk order. Read the COA that ships with the sample using our guide to wax COAs so you are comparing results rather than the presence of a PDF.

What to put on the RFQ

  • The base you want, stated as composition rather than as a brand.
  • Melt or softening point with the method if you have a preferred one.
  • Pour temperature and cure time you are set up for.
  • Colour reference for coloured wax, and the packaging format you can handle.
  • The application split — container, tealight, melt or pillar — because the same base is not specified the same way for each.
  • Whether the shipment will sit in summer heat, since that moves the melt point you should be asking for.

Sending those six lines gets you a comparable answer instead of a comparable adjective. Our wax price guide explains which of them move cost, and how far.

The bottom line

Specify the three decisions the grade hides — base, melt behaviour with its method, and additives — and most substitution arguments disappear, because the two waxes either match on paper or they do not. The name is a convenience for repeat ordering. It was never a specification.

If you are holding a sheet for a wax you already use, send it through our contact page with your pour temperature and application, and we will tell you which of our soy wax specifications is closest and where it differs.