1.Specification
Appearance: Transparent or slightly turbid.
Color: Not Darker than a freshly prepared solution containing 0.4g K2Cr2O7 in 100ml H2SO4( sp. Gp .1.84); Gardner Color: 7 -10
Specifica Gravity 20/4℃ : 0.936 – 0.9395
Refractive index 20℃: 1.5170 – 1.5220
Moistrue & impurities( max) : 0.3%
Free fatty Acids( max): 4%
Iodine value(Wijs) : 163 – 173
Saponification Value: 190 – 195
Worstall’s heat test (max): 7.5min
Beta Tung Oil Test: negative ( no crystalline precipitate)
2. Properties and uses:
It is widely used as dryer in varnishes and paints as tung oil polymertizes to hard, water-proof gel that is highly resistant to acids and alkalies. It is also used as a component of insulating compounds and in the manufature of linoleum and oil cloth. Although in recent years tung oil has been replaced by cheaper alternatives its wide range of uses still allows a great commercial importance.
3. Packing:
(1). In ISO Tank about 20Mt each
(2).In 190 kgs new or used iron drums net each.
4. Technical specifications:
The above technical specification (GB8277-87) is the national standard of People’s Republic of China .If there are changes , the latest specification will be executed and assured by contact.