Comparing E904 - Shellac vs E905CI - Microcrystalline wax
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Popular questions
What is shellac nails?
In beauty, “shellac nails” are a UV-cured hybrid gel-polish service (e.g., CND Shellac); despite the name, it does not use the food additive shellac (E904) resin used as a glaze.
How to remove shellac nail polish?
Soak the nails in acetone for about 10–15 minutes (using cotton and foil or remover wraps), then gently push off the softened coating—do not peel to avoid nail damage.
Is shellac the same as gel?
Not exactly—Shellac is a specific brand of gel-polish hybrid, while “gel” can refer broadly to many soak-off UV/LED gel systems; they cure similarly and have comparable wear.
What is a shellac manicure?
A manicure using a UV/LED-cured gel-polish system branded “Shellac” for long-lasting color; it’s unrelated to the food glazing agent shellac (E904).
What are shellac nails?
They are nails coated with a UV-cured gel-polish branded “Shellac” for chip-resistant wear, not coated with the food additive shellac (E904) used in food glazes.
What is microcrystalline wax made of?
A mineral wax refined from petroleum residuals (de-oiled petrolatum), composed mainly of high–molecular-weight saturated hydrocarbons with branched and cyclic structures.
1 pound of microcrystalline wax weighs how much in everdur bronze?
For the same volume, Everdur bronze (≈8.3–8.7 g/cm³) is about 9–10× denser than microcrystalline wax (≈0.90–0.95 g/cm³), so 1 lb of wax volume would weigh roughly 9–10 lb if cast in Everdur.
At what temperature does microcrystalline wax melt?
Typically about 60–90°C (140–194°F), depending on the grade; some hard grades approach ~95°C (203°F).
How to determine the crystallinity of microcrystalline wax?
Use differential scanning calorimetry (DSC) to estimate crystalline fraction from melting enthalpy and X‑ray diffraction (XRD/WAXS) to quantify crystalline versus amorphous phases; FTIR can provide supportive qualitative insight.
How to make dark microcrystalline paste wax?
Melt microcrystalline wax (optionally with 10–20% carnauba for hardness), then blend in odorless mineral spirits or turpentine to a paste consistency and disperse a small amount of carbon black or iron oxide pigment for color; mix thoroughly and cool, observing strict solvent fire-safety.