 |
| Place of Origin: | Shandong, China |
| Brand Name: | Exceedchem |
| Certification: | ISO9001, ISO14001 |
| Model Number: | E100&E300 |
| Minimum Order Quantity: | 1000kg |
|---|---|
| Price: | USD1.00/kg-USD15.00/kg |
| Packaging Details: | 20kg/drum;200kg/drum |
| Delivery Time: | within two weeks after confirming the order |
| Payment Terms: | T/T, L/C at sight |
| Supply Ability: | 100mt per month |
Polyurethane Curing Agent DMTDA (E300) &DETDA (E100)
Ethacure 300
1. DMTDA (E300)
CAS: 106264-79-3
Dimethyl Thio-Toluene Diamine
|
Equivalent Weight |
107 |
|
Appearance |
Amber Liquid |
|
Odor |
Slight Amine |
|
Boiling Point°F(°C) |
667(353)(ecomposes) |
|
Density(g/cm3)at 68°F(20°C) |
1.21 |
|
140°F(60°C) |
1.18 |
|
212°F(100°C) |
1.15 |
|
Viscosity,Cps at 68°F(20°C) |
690 |
|
140°F(60°C) |
22 |
|
212°F(100°C) |
5 |
|
Vapor Pressure, mmHg at 65°F(20°C) |
0.6 |
|
Amine Number,mg KOH/g |
536 |
|
TDA content(%) |
≤1.0% |
|
Moisture |
≤0.1% |
*DMTDA is not suitable for producing light color product.
2. DETDA (E100)
CAS: 68479-98-1
Diethyl methyl benzene diamine
|
Appearance(room temperature) |
light yellow to amber clear liquid |
|
Molecular weight |
178.28 |
|
Boiling point ,°F(°C) |
555(308) |
|
Density (g/cm3) at 68°F(20°C) |
1.02 |
|
Freezing point °F(°C) |
15(-9) |
|
Flash point ,TCC, °F(°C) |
> 275/> 135 |
|
Viscosity,Cps at 20°C |
280 |
|
25°C |
155 |
|
Compatibility |
|
|
Ethanol |
miscible |
|
Toluene |
miscible |
|
Water |
1.0 |
|
Isocyanate equivalent |
89.5 |
|
Equivalent of epoxy resin |
44.3 |
Comparison between MOCA and DMTDA on
Mechanical Property of PU Elastomers
| Chain extender | MOCA | DMTDA |
| Tensile strength/Mpa | 44.5 | 43.6 |
| Elongation/% | 540 | 535 |
| Tear strength/(kN·m-1) | 101 | 98 |
| Permanent deformation/% | 13 | 14 |
| Resilience rate/% | 35 | 38 |
| Hardness/Shore A | 91 | 88 |
| Abrasion loss/(mm3·km-1) | 12.6 | 14.6 |
| Flexible Cracking/10,000units | 180 | 210 |
| Tensile strength change rate/% | 6 | 5 |
| Elongation change rate/% | 7 | 7 |
Remark: heat-resistance and anti-aging test is done after 72hours in 70℃.
ISSUED BY TECHNICAL DEPARTMENT OF EXCEEDCHEM
