HMDA epoxy curing agent 1,6-hexanediamine (CAS 124-09-4) is an aliphatic diamine hardener sold at 99.90% minimum purity with water below 0.05%. Its calculated amine hydrogen equivalent weight is 29.1 g/eq, and so the stoichiometric demand …
Liquid phenolic epoxy resin YLEP-631 is a PNE-type novolac grade with 2.7 epoxy groups per molecule. Its published window is an EEW of 168-180 g/eq, a viscosity of 1100-1700 mPa·s at 52 °C and hydrolyzable chlorine below 500 ppm. Seven …
3,4-Methyl hexahydrophthalic anhydride (MHHPA, CAS 25550-51-0) is a colorless liquid anhydride hardener of 50-80 cps at 25 °C. Assay is 98% minimum, the freezing point sits at or below -15 °C. Dosed at 110 phr in a 130 g/eq alicyclic epoxy, …
PACM epoxy curing agent is a colourless alicyclic diamine, 4,4'-diaminodicyclohexyl methane (CAS 1761-71-3), sold at 50-80 mPa·s and APHA 30 or below. Four amine hydrogens on a 210.36 g/mol molecule give a calculated AHEW of 52.6 g/eq, …
The best fragrance oil for women's perfume depends on your favorite scent family and how it works with your skin. Floral oils feel romantic and elegant. Fruity oils bring fun and energy. Gourmand oils wrap you in cozy warmth. Each scent …
A balanced perfume comes from the right oils in the right order and proportions. It does not come from mixing the most ingredients. You can create a wearable scent at home with a simple, careful approach. Start with note structure. Then …
Citrus, woody, floral, spicy, and oriental note families dominate the unisex fragrance world. Unisex perfume oils skip alcohol, last longer on skin, and come in convenient roll-on bottles, and Yahebio's high quality fragrance oil for soap …
An emulsion is the architectural heart of most premium skincare: the elegant cream in the jar, the silky lotion that melts into the skin, the rich balm that seals in moisture. At the center of that architecture sits a small but decisive …
To create an O/W emulsion with a smooth skin feel and stable consistency, the choice of emulsifier is often the key to the success of the formula. Even though Ceteareth-20 and Ceteareth-25 are both hydrophilic non-ionic emulsifiers with …
Few decisions in food formulation are framed as starkly as the choice between natural and synthetic preservatives. Consumers are reading labels more carefully, retailers are tightening ingredient policies, and regulators are re-examining …