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| Place of Origin: | China |
| Brand Name: | Ethacure-300 |
| Certification: | ISO9001 |
| Model Number: | Ethacure-300 |
| Minimum Order Quantity: | 200kgs |
|---|---|
| Price: | FOB Shanghai usd7.5kg to usd9/kg |
| Packaging Details: | 200kg/drum |
| Delivery Time: | 2-4weeks |
| Payment Terms: | L/C, T/T |
| Supply Ability: | 3000tons per year |
| Color: | Yellowish Transparent Liquid | Classification: | Chemical Auxiliary Agent |
|---|---|---|---|
| Usage: | Curing Agent For Polyurethane Or Polyurea Elastomer, Coating, RIM System And Sealant | Type: | Curing Agent |
| Mf: | C9H14N2S2 | Cas No.: | 106264-79-3 |
| Other Names: | DMTDA |
DMTDA,DADMT,Ethacure 300
Polyurethane curing agent,chain extender
1. Introductions
ETHACURE 300 curative is a widely used chain-extender or curative component for man-made, rubber-like compounds called elastomers, such as polyurethane and polyurea, that are used for everything from high-durability coatings to flexible foam seating, rigid insulation, seals and gaskets, even wheels and tires.
2. Typical composition
| Dimethylthiotoulenediamine, % | 95-97 |
| Monomethylthiotoulenediamine, % | 2-3 |
| Total diamines,% | >99 |
| Water, % | <0.08 |
3.Typical properties
| Appearance | clear, yellow liquid * |
| Molecular weight | 214 |
| Boiling point at 16.8 torr, ℉(℃) | 392(200) |
| Density at 68℉(℃),g/ml | 1.208 |
| Density at 68℉(℃),lb/gal | 10.08 |
| Pour point, ℉(℃) | 39(4) |
| Flash point, (PMCC), ℉(℃) | 349(176) |
| Vapor pressure at 68℉(20℃), mm Hg | <0.01 |
| Viscosity at 68℉(20℃),cSt | 690 |
| Solubility, 68℉(20℃),wt % | |
| Ethanol | Miscible |
| Toluene | Miscible |
| Water | <0.03 |
| Heptane | 3.5 |
| Equivalent weight with isocyanates | 107 |
| Equivalent weith with epoxy resins | 53.5 |
* indicates that this will darken with time and exposure to air.
