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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 |
UNIT |
VALUE |
REMARKS |
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 | |
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