Quick facts
- Viscosity
- 350 cPs at 25 C
- Gel-time test value
- 15-20 minutes at 25 C; see current TDS context
- Density
- 1.05 g/cm3
- Thermal data
- 110 C typical TDS data, not a stated service-temperature limit
Read the TDS as product data, not a performance promise
The current Vinyl Ester TDS identifies the resin type, industrial grade, chemical- and corrosion-resistance positioning, processing categories and supply data. Its stated values are typical and the document says they are not guaranteed specifications.
When comparing suppliers or grades, use the exact document for the exact product. Do not transfer viscosity, density, gel time or storage expectations from a GP, isophthalic, fire-retardant or conventional epoxy product route.
Use the test context that is actually published
The TDS lists 350 cPs viscosity at 25 C and a 15-20 minute gel-time value at 25 C. These are selection and document-review points; this guide does not turn them into catalyst, cure or process instructions.
The published density is 1.05 g/cm3 and the styrene content is 40%. These values describe the supplied Vinyl Ester resin, not the properties of a finished reinforced laminate, tank, pipe, duct or profile.
Do not turn thermal data into a service limit
The current TDS lists 110 C under HDT / thermal data. It does not state a continuous operating-service-temperature range or a chemical-specific temperature recommendation.
A service-temperature requirement should therefore be part of the enquiry together with the actual medium, concentration where relevant, finished application and required documentation. Do not infer an operating limit from a single thermal-data entry.
Keep finished-system questions separate
No product-specific mechanical-property table, chemical-compatibility chart or finished-component test report is present in the repository. A finished FRP system can depend on reinforcement, construction, thickness, surface or corrosion-barrier system, cure state and tested configuration.
Use the product TDS to frame a technical discussion, then confirm which additional evidence a particular project requires. This guide intentionally does not provide a laminate design, cure schedule or process recipe.
Published Vinyl Ester Resin data to review
| TDS item | Current published value | Buyer reading |
|---|---|---|
| Resin type | Bisphenol-A based epoxy vinyl ester | Identify the exact product route before comparing another grade |
| Viscosity | 350 cPs at 25 C | A supplied-resin property to review against the actual process and document |
| Gel time | 15-20 minutes at 25 C | A documented test value, not an instruction for changing cure behaviour |
| Styrene content | 40% | Published product data; do not transfer it to another resin grade |
| Specific gravity / density | 1.05 g/cm3 | A supplied-material property, not a finished-laminate value |
| Thermal data | 110 C | Typical TDS thermal data; not a stated operating-service limit |
The TDS describes typical product data, not guaranteed specifications, a chemical-compatibility chart, a finished-component rating or a continuous-service-temperature recommendation.
Frequently asked questions
Which Vinyl Ester Resin specifications are published?
The current TDS publishes resin type, grade, viscosity, gel-time test value, styrene content, density, thermal data, flash point, storage, shelf life.
Is 110 C a published continuous service-temperature limit?
No. The TDS labels 110 C as HDT / thermal data. The repository does not publish a product-specific continuous-service-temperature recommendation.
Does the TDS publish mechanical properties for a finished FRP component?
No mechanical-property table or finished-component test context is published for this Vinyl Ester product in the repository.
Can the gel-time value be used as operating guidance?
No. It is a published test value to review in the current TDS. This guide does not provide catalyst ratios, cure adjustment or production instructions.

