Knowledge base

Glycols & glycol ethers

Glycols, polyglycols and their ethers and ether acetates — properties, grades and where each one fits in a formulation.

Application notes, material explainers and process guidance written around the chemicals we manufacture and export.

PVA grades are chosen on two axes, not one. What degree of hydrolysis and viscosity each control, and how to dissolve it…

Four different things suppliers mean by green, where butoxytriglycol sits on each, and the one claim about it that cannot be defended.

What 1,4-pentanediol is, why the abbreviation PDO misleads buyers, and which documents decide whether a bio-based C5 diol is usable.

Where glycerin actually comes from, what each refining step removes, and which documents let a buyer trace a delivery back to its…

Three commercial diols answer to the name hexanediol. They are not interchangeable, and the identity check belongs before the enquiry.

The linear C3 alcohol earns its place in ink and coating blends. Water and azeotropes decide what it costs to keep using…

A structured way to move from a process requirement to a named solvent grade, covering screening, plant fit, compliance and the cost…

Diglyme is a high-boiling aprotic ether with a harmonised H360FD classification and EUH019 peroxide risk — what buyers leaving NMP must know.

Why TEG became the standard drying agent for natural gas, how the absorption and regeneration loop behaves, and what degrades it in…

Triethylene glycol has no EU harmonised classification. How TEG differs from ethylene and diethylene glycol, and what to specify when buying.