PVC External Lubricant H-74 is based on high molecular, multi-functional fatty acid esters (complex ester). It is white or slight yellow debris or free-flowing powder, odourless. It doesn dissolve in water but dissolve in tributyl phosphate (TBP) and trichloromethane. Its melting point is 48-56 „ƒï¼Œflash point >230 ℃,volatiles(96 hourï¼90℃)<1%.
Physicochemical Properties
Index/Product Name | H74 |
Density g/cm3(80 „ƒ) | 0.88-0.93 |
Acid value mg KOH/g | <12 |
Iodine value g 12/100g | <2 |
Viscosity MPa.S(80 „ƒ) | 58-70 |
Refractive index (80 „ƒ) | 1.420-1.470 |
Product Benefits and Application
H-74 is external lubricant for PVC processing. It suitable for processing rigid/soft PVC granules, sheets, profiles, shrink film and calendered film. It offers improvement of non-tackiness, good release properties, good efficiency as a mould releasing agent with paste processing and also improved flowability. It can also reduce balancing torque and improve surface gloss. Dosage is about 0.3-0.8% (transparent) or 0.3-0.8% (opaque), under special case can increase amount.
Material Safety Data Sheets
MSDS are available outlining hazards and safe handling methods.
Equivalent Grade
LOXIOL G74
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