OptafleksTOTM ST-0.4Stabilized TOTM plasticizer
Stabilized High-Temperature Plasticizer

Product profile
Optafleks TOTM ST-0.4 is a specialty plasticizer grade based on trioctyl trimellitate with a maximum stabilizer content of 0.4%. It is developed for PVC processing applications requiring high-temperature performance.
Chemical identity
- Chemical Structure
- Trioctyl Trimellitate
- Abbreviation
- TOTM ST-0.4
- CAS No.
- 3319-31-1
Application and product selection
Evaluate ST-0.4 as a distinct grade rather than assuming it is identical to standard TOTM. Check stabilizer content, other stabilizers in the formulation and thermal targets together. Confirm dosage and processing conditions using the TDS and a production trial.
- Specialty PVC formulations targeting high-temperature performance
Frequently asked questions
How can I request a Optafleks TOTM ST-0.4 sample or quotation?
Share the application, target properties, quantity and destination country. The product name is carried into the enquiry form so the team can assess the appropriate grade and supply requirements.
What do the TDS and SDS provide?
The TDS provides typical properties and test methods; the SDS provides handling information. Finished-product performance and application suitability require separate validation.
Are the table values guaranteed for every batch?
Values on this page support preliminary selection. Confirm the purchase specification, current TDS and required batch documents with the technical team.
Technical Data
Typical product values and test methods. Confirm batch-specific and application-specific values with our technical team.
Optafleks TOTM ST-0.4
CAS 3319-31-1
| Property | Test Method | Value |
|---|---|---|
| Appearance | Not specified | Berrak Sıvı / Clear Liquid |
| Density (20°C, g/cm³) | ASTM D 1045 | 0,983-0,989 |
| Refractive Index (20°C) | ASTM D 1045 | 1,4800-1,4860 |
| Odour | Not specified | Tipik / Typical |
| Flash Point (°C) | ASTM D 92 | ≥ 240 |
| Acid Number (mg KOH/g) | ASTM D 1045 | ≤ 0,10 |
| Color (Pt-Co) | ASTM D 1209 | ≤ 40 |
| Stabilizer Content (%) | Not specified | ≤ 0,4 |
Technical documents
Open current product data sheets, safety data sheets and the product leaflet directly.
Contact our technical team to confirm revision dates and suitability for your application.






