Epoxidized soybean oil is the excellent plasticizer and stabilizer of PVC. It can be used to produce blood vessel, container for blood or fluid transfasion, blood cercuit articles of artificial heart lung or Ridney and the other medical apparatuses made of PVC.
Technical requirements and test methods for plasticizer epoxidized soybean oil
|1||Appearance||Light yellow oil-like liquid||Visual test|
|2||Color(Pi-Co) ≤||170||GB/T 1664-1995|
|3||Acid value (in KOH) / (mg / g) ≤||0.6||GB/T 1668-2008|
|4||Epoxy value/% ≥||6.0|
|5||Iodine value/% ≤||5.0||GB/T 1676-2008|
|6||Loss on heating/% ≤||0.2||GB/T 1669-2001|
|7||Density(20℃)/(g/cm3 )||0.988~0.999||CB/T 4472-1984中2.3.1|
|8||Flash point/℃ ≥||280||GB/T 1671-2008|
1 General provisions
Unless otherwise stated, the standard solutions, preparations and products used in the analysis were prepared in accordance with GB / T 601-2002 and GB / T 603-2002.
In the analysis, only the reagents that are confirmed as analytically pure and the third-grade water in accordance with GB / T 6682-2008 are used
The determination of the test results in this standard is carried out in accordance with the rounded value comparison method in 4.3.3 of GB / T 8170-2008.
Visual inspection under natural light.
3 Determination of chromaticity
Determined according to GB / T 1664-1995.
4 Determination of acid value
Determined according to GB / T 1668-2008.
5 Determination of epoxy value
Determined according to the provisions of the hydrochloric acid-acetone method in GB / T 1677-2008
6 Determination of iodine value
Determined according to GB / T 1676-2008.
7 Determination of heating loss
Determined according to GB / T 1669-2001.
8 Determination of density
Determined according to the provisions of 2.3.1 in GB / T 4472-1984
9 Determination of flash point
Determined according to GB / T 1671-2008.
1 Inspection classification
All items specified in Table 1 are factory inspection items.
2 Factory inspection
This product should be manufactured by the manufacturer's quality inspection and inspection department. This standard can only be shipped after passing the inspection. A quality certificate with a certain format is included, which includes: product name, manufacturer name, batch number, production date, this standard. Number, inspector, etc.