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product name:PENTAERYTHRITOL TETRA(3-MERCAPTOPROPIONATE) 
Quality standard:
Appearance:Colorless 
Purity(%):min.95% 
Acid content: max.0.2% 
Density: 1.28 g/cm3 (20℃)
Molecular weight:488.6594g/mol
Flashpoint: +230 °F
Refractive index: 1.531 (20℃)
Principal Use:

 Used as material of epoxy curing agent, flexurane eyeglass material; UV hardening monomer; increase adhesion of metal surface; used in line of structural adhesive, UV protective coating,etc. 
For intermediates of organic synthesis，used for UV curable coatings, inks, adhesives and other polymerization reaction of modified agent, cross-linking agent, acidic ion exchange catalyst, low temperature curing agent. 

Packaging: Plastic drums，250kg or 30kg net weight.
Transportation and Storage: Store the products in cool, shady and ventilated conditions, keep far away from fire ; 
6 months from date of delivery at a maximum storage temperature of 30℃.
General hints:
Keep it away from skin, eyes and oral cavity. If it happens, rinse with plenty of water immediately.