Tri-functional acrylate co-agent widely used in rubber-to-metal bonding, EPDM seals, and polyethylene crosslinking. Provides high crosslinking efficiency, low compression set, and excellent thermal stability. Colorless to pale yellow liquid with purity >=95.0%.
Quick Facts
| Trade Name | TMPTMA |
|---|---|
| Chemical Name | Trimethylolpropane Trimethacrylate |
| CAS Number | 3290-92-4 |
| Chemical Family | Acrylate Co-Agent |
| Brand | Dosender |
| Function Category | Crosslinking Co-Agent |
| Product Line | Polymer Agents – Acrylate Co-Agents |
| Applications | Rubber-Metal Bonding, EPDM Seals, PE Crosslinking, Wire and Cable |
| Market Segment | Rubber and Elastomers, Wire and Cable |
| Physical Form | Liquid |
| Decomposition Temperature | – |
| Active Oxygen Content | – |
| Molecular Weight | 338.40 |
What Is Trimethylolpropane Trimethacrylate?
Trimethylolpropane Trimethacrylate is a acrylate co-agent supplied under the Dosender brand as part of the
Polymer Agents – Acrylate Co-Agents portfolio. Tri-functional acrylate co-agent widely used in rubber-to-metal bonding, EPDM seals, and polyethylene crosslinking. Provides high crosslinking efficiency, low compression set, and excellent thermal stability. Colorless to pale yellow liquid with purity >=95.0%. As a crosslinking co-agent,
it is engineered for demanding Rubber and Elastomers, Wire and Cable applications where consistency and purity are critical.
Key Properties & Specifications
- Chemical family: Acrylate Co-Agent
- CAS number: 3290-92-4
- Physical form: Liquid
- Decomposition temperature: –
- Active oxygen content: –
- Molecular weight: 338.40
How It Works
Trimethylolpropane Trimethacrylate is a polymer-processing additive used to control cure, vulcanization, molecular weight or surface properties of rubber and plastic systems. It is dosed at low levels to deliver reproducible processing performance in tire, elastomer and compound manufacturing.
Primary Applications
TMPTMA is applied across Rubber-Metal Bonding, EPDM Seals, PE Crosslinking, Wire and Cable. Typical market segments include Rubber and Elastomers, Wire and Cable.
Its performance profile makes it a trusted choice for formulators who need reproducible,
high-purity raw materials.
Safety, Handling & Storage
Handle TMPTMA in accordance with its Safety Data Sheet (SDS). Store in original,
sealed packaging away from heat, ignition sources and incompatible materials, within the
recommended temperature range. Personal protective equipment and adequate ventilation are
required. Always consult the current SDS and applicable local regulations before use.
Regulatory & Compliance
Do Sender Chem supplies Trimethylolpropane Trimethacrylate with full documentation and supports compliance with
international chemical regulations (including REACH where applicable). For controlled
precursor grades, supply is managed under know-your-customer and licensing procedures.
Why Source TMPTMA from Do Sender Chem?
Do Sender Chem is a global specialty chemical manufacturer offering a broad, multi-language
catalog, consistent quality and responsive technical support. With localized content in 20
languages and worldwide delivery, we help polymer, rubber and specialty producers secure
reliable crosslinking co-agent supply.
Frequently Asked Questions
What is Trimethylolpropane Trimethacrylate used for?
Trimethylolpropane Trimethacrylate (trade name TMPTMA) is used as a Crosslinking Co-Agent in Rubber-Metal Bonding, EPDM Seals, PE Crosslinking, Wire and Cable. It serves manufacturers in the Rubber and Elastomers, Wire and Cable segments.
What is the CAS number of Trimethylolpropane Trimethacrylate?
The CAS Registry Number of Trimethylolpropane Trimethacrylate is 3290-92-4. The CAS number uniquely identifies the substance and is the standard reference used in safety data sheets, regulatory filings and procurement specifications.
Is Trimethylolpropane Trimethacrylate classified as Acrylate Co-Agent?
Yes. Trimethylolpropane Trimethacrylate belongs to the Acrylate Co-Agent chemical family and is marketed under the Dosender brand as part of the Polymer Agents – Acrylate Co-Agents product line.
How should TMPTMA be stored and handled?
TMPTMA should be stored according to its safety data sheet, away from heat, ignition sources and incompatible materials, in original sealed packaging under the recommended temperature range. Always consult the current SDS and local regulations before handling.
Which industries buy TMPTMA?
TMPTMA is supplied to producers in the Rubber and Elastomers, Wire and Cable industries that require reliable, high-purity Crosslinking Co-Agent raw materials.
Related Products
Explore other acrylate co-agent and crosslinking co-agent products in our catalog, or contact
our team for formulation guidance.
References
- CAS Registry Number: 3290-92-4 — Trimethylolpropane Trimethacrylate
- Do Sender Chem product data sheet: TMPTMA