Oleochemicals & Bio-based Chemicals

When buying chitosan (CAS 9012-76-4), one of the first questions is irradiated or non-irradiated. The choice depends on the end use and regulatory requirements. This guide explains the difference, the specification items that matter, and how to order the right grade. 1. Irradiated vs Non-irradiated Chitosan Aspect Non-irradiated Irradiated Sterilization None (process hygiene) Gamma/e-beam sterilized […]

Chitosan (CAS 9012-76-4) is one of the most studied natural coagulants and adsorbents in water treatment. Its cationic backbone flocculates suspended solids and chelates heavy metals, offering a biodegradable alternative or complement to aluminium and iron salts. This guide covers how it works, where it fits, and what to specify. 1. Why Chitosan Flocculates In

Chitosan (CAS 9012-76-4) is a natural, biodegradable polysaccharide obtained by deacetylating chitin, the structural polymer of shrimp and crab shells. Its combination of biocompatibility, film formation, flocculation and antimicrobial activity makes it useful across water treatment, pharmaceuticals, cosmetics, food and agriculture. This guide covers its chemistry, production, specifications and applications. 1. What Is Chitosan? Chitin

Buying poly(ethyl vinyl ether) (PVE, CAS 25104-37-4) base oil is mostly about specifying the right viscosity grade and checking the COA – and, when your application needs it, ordering a custom viscosity. This guide covers the specification sheet, the key parameters and the custom-grade process. 1. The Specification Sheet (PVE 68 Example) Parameter Value Why

Poly(ethyl vinyl ether) (PVE, CAS 25104-37-4) base oil earns its place in lubricants because its viscosity is engineered at the polymer level – the grade you choose (ISO VG 32, 46, 68) is a molecular-weight decision, not a blending afterthought. This guide explains how PVE viscosity grades are used in compressor, refrigeration, vacuum and hydraulic

Poly(ethyl vinyl ether) (PVE, CAS 25104-37-4) is a synthetic polymer base oil produced from the cationic polymerization of ethyl vinyl ether. It is used as a base stock for compressor oils, refrigeration oils, vacuum pump oils and specialty lubricants, offering a useful balance of viscosity-temperature behaviour, low pour point and additive compatibility – with viscosity

Buying imidazoline well means knowing which specifications matter, what a complete COA contains, and how to source a custom structure when catalog grades do not fit. This purchasing guide covers both, with the practical details buyers should request. 1. Key Specifications to Specify Parameter What it tells you Acid value (mg KOH/g) Residual free fatty

Imidazoline corrosion inhibitors are the standard film-forming chemistry for carbon steel in oil and gas production, refinery overhead systems and acid pickling. This guide covers how they protect CO2 (sweet) and H2S (sour) systems, practical dosing, formulation notes and testing – and where a custom imidazoline structure beats a catalog grade. 1. How Imidazolines Protect

Oleic imidazoline and tall oil imidazoline are the two most common 2-substituted imidazoline corrosion inhibitors, but they are not interchangeable. This guide compares them – and the related amidoamine and quaternary imidazolinium forms – so buyers can select the right chemistry and know when a custom structure is the better answer. 1. The Basic Difference:

Imidazoline compounds (1,3-diazole derivatives with a partially saturated ring) are a versatile family of nitrogen heterocycles built from a fatty acid and a polyamine. In industry they serve as corrosion inhibitors, emulsifiers, antirust additives, softeners and oilfield chemicals, and their structures can be varied widely at the 2- and 1-positions. This guide covers the chemistry,