Hubei Sanli Fengxiang Technology Blog

  Monoethylene glycol (MEG) is a key raw material used to manufacture polyethylene terephthalate (PET) fibers:   PET Production Process   The basic raw materials in PET, pure terephthalic acid (PTA) and monoethylene glycol (MEG), are chemically reacted with a small amount of co-monomers via a “polycondensation” process to form a base polymer. The resulting polymer is a polyester that is commonly used to make films and fibers.   What is MEG (Monoethylene Glycol)?   MEG ( Monoethylene Glycol ) is a chemical that is used in many industrial applications, including the production of polyester fibers and PET resins. It is also used as a coolant, heat transfer agent, antifreeze, and a hydrate inhibitor in gas pipelines.   Key Properties of MEG: - Boiling Point: 197.3°C (387.1°F) - Freezing Point: -12.9°C (8.8°F) - Miscibility: Fully miscible with water, making it useful in various aqueous solutions.   MEG has a wide range of applications, including its use as...

  What Is Hydrogen Peroxide Good For?   Found in a brown bottle, hydrogen peroxide is an antiseptic liquid that in the past was typically used to treat cuts or other skin wounds, and kill germs. However, peroxide is often used in non-medical situations, including for cleaning, disinfecting and stain removal.    What is Hydrogen Peroxide?   Hydrogen peroxide (H₂O₂)  is essentially water (H₂O) with an extra oxygen molecule. This additional oxygen molecule gives hydrogen peroxide its powerful oxidizing properties, which enable it to kill germs and bleach porous surfaces like fabrics.   For everyday household use, medical-grade hydrogen peroxide—which is 3% peroxide and 97% water—is strong enough and widely available.   A more concentrated version, known as food-grade hydrogen peroxide, can have strengths up to 35%. Despite its name, "food-grade" peroxide is not intended for general cleaning or disinfecting and can be hazardous if inhaled or if it com...