Description
DMTDA Polyurethane Elastomer Curing Agent
CHLUMICURE® DMTDA, CAS 106264-79-3. DMTDA is a liquid aromatic diamine for chain extension and curing of compatible polyurethane and polyurea elastomers. Its liquid form is useful when selecting a curative for elastomer processing.
Product Identification
| Brand | CHLUMICURE® |
|---|---|
| Model | DMTDA |
| Chemical Name | Dimethylthiotoluenediamine |
| CAS No. | 106264-79-3 |
| Chemical Class | Liquid aromatic diamine |
Applications
- Polyurethane wheels and casters: evaluate the curative in the selected prepolymer system.
- Industrial rollers and elastomeric coatings: develop the cure schedule and validate the finished material.
- Polyurethane/polyurea elastomers: an aromatic amine component for formulation development.
Published Supplier Reference Data
The following values are reported for the reference supplier’s grade and are provided for preliminary selection only. They are not confirmed CHLUMICURE® sales specifications or lot test results. Obtain the current specification and COA for the grade offered before ordering.
| Appearance | Light yellow liquid |
|---|---|
| Purity | ≥98% |
| Moisture | ≤0.1% |
| Amine value | 536 ± 10 mg KOH/g |
| TDA content | ≤1.0% |
Grade Selection and Processing
The cited values describe the supplier’s HARTCURE 30 reference grade, not a certified CHLUMICURE release specification. Confirm amine equivalent weight, viscosity at the actual processing temperature, impurity limits and post-cure requirements. No one-for-one replacement claim for MOCA, DETDA or another branded curative is made.
Tell us the resin or prepolymer type, processing method and required end-use properties. Agree the reactive-group balance, working time and cure conditions with your formulation team. No universal dosage or guaranteed finished-product performance is specified here.
Packaging, Storage and Safety
Package size, availability, lead time and shelf life are subject to confirmation in the quotation. Request the current TDS, SDS and available batch COA. Follow the supplied SDS and label for storage, protective measures, transport and disposal. This product page does not replace safety documentation.
Request Pricing or Samples
Quote CHLUMICURE® DMTDA, CAS 106264-79-3, and provide your application, quantity and destination. Use the inquiry form below or contact info@longchangchemical.com.
Related Products
Explore CHLUMICURE® Curing Agents & Chain Extenders
Technical Reference
Public product information reviewed on 24 September 2026: Johnson Fine — HARTCURE 30 (DMTDA). Reference brands identify the source only; affiliation, identical grade specifications and interchangeability are not implied.




