CAS No.:26471-62-5 Place of Origin: Tianjin - China mainland
Purity :99.7MIN 99.7%MIN
Specifications:TDI is an aromatic isocyanate, a precursor to Polyurethanes (PU) that mostly used for making flexible foams.
Clear,colorless to pale yellow liquid with a sweet, fruity,pungent odor.
ITEM SPECIFCATION
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UNIT
|
VALUE
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REMARKS
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PURITY
|
|||
2.4-ISOMER
|
%
|
99.7MIN
|
99.75
|
2.6-ISOMER
|
%
|
80+/-1
|
80.7
|
ACIDITY
|
%
|
20 +/-1
|
19.8
|
ACIDITY
|
%(HCL)
|
0.0015MAX
|
0.0015
|
HYDROLYZABLE
|
|||
CHLORIDE
|
%
|
0.004MAX
|
0.0035
|
TOTAL CHLORIDE
|
%
|
0.018MAX
|
0.017
|
COLOR
|
APHA
|
15MAX
|
14.8
|
PHYSICAL PROPERTIES
|
|
MOLECULAR WEIGHT
|
174.2
|
VISCOSITY(cps, at25)
|
3 - 6
|
SPECIFIC GRAVITY
|
1.22
|
BOILING POINT()
|
251
|
FLASH POINT ()
|
135
|
MELTING POINT 90()
|
11.5 – 13.5
|
VAPOR PRESSURE (mm H20 at 25)
|
0.03
|
VAPOR DENSITY (air=1)
|
6.0
|
COMMENT:QUALIFIED.THE ITEM TESTED IS IN ACCORDANCE WITH THE NATIONAL STANDARD OF P.R. OF CHINA COMPLETELY
|