Product name: Tung oil
Alias:Chinese wood oil
CAS number:8001-20-5
H.S. code:1515903000
Applications: Mainly used in industries of paint, printing ink, water-proofing, anti-erosion, anti-rust, machinery, arms, electron, ships etc.
Specification:
Appearance:Transparent or Slightly turbid
Color: 1)Not darker than a freshly prepared solution containing 0.4gm K2Cr2O7 in 100 ml pure conc. H2SO4 (SP.GR.1.84)
2) Or not darker than Gardner 9
Specific gravity (20/4°C): 0.9360--0.9395
Refractive index (20°C): 1.5170--1.5220
Iodine value (WIJS): 163--173
Saponification value: 190--195
Moisture & impurities: 0.3% max.
Free fatty acid: 4% max.
Worstall's Heat test: 7.5minutes max.
Model Beta tung oil test: Negative (no crystalization)
Chinese tung oil (wood oil)