Crystic® Polyester Resin 625PA
Crystic® Polyester Resin 625PA is a thixotropic, tough, pre-accelerated isophthalic polyester resin with good heat and chemical resistance properties. It can be used in filament winding applications and is ideally suited for the production of heat-resistant and dimensionally stable molds. This product has a 20-minute gel time.
Product families
- Structural Components
Other characteristics
- Brand
- Crystic
- Functions
Resins, Binders & Matrix Materials, Surface Finish
- Polymer Name
- Thermoset Polyester
- Color (Properties)
- Purple
- Note
*Curing schedule - 24hrs at 20ºC, 3hrs at 80ºC †Curing schedule - 24hrs at 20ºC, 5hrs at 80ºC, 3hrs at 120ºC
- Markets
- Building & Construction
- Additives
Crystic 625PA can be pigmented with up to 5% Crystic Pigment Paste. Since the addition of certain pigments may affect the chemical resistant properties of laminates, users should seek advice from our Technical Service Department before making any additions
- Post Curing
Satisfactory laminates for many applications can be made from Crystic 625PA by curing at workshop temperature (20°C). However, in order to develop optimum heat and chemical resistance, laminates made with this resins must be post cured. After release from the mold, laminates should be allowed to mature for 24 hours at workshop temperature (20°C). They should then be post cured for a minimum of three hours at 80°C, or 15 hours at 50°C. When laminates are required to withstand temperatures between 50 and 100°C in service, the post-curing temperature should always be at least as high as that at which the laminate is required to operate. The post cure is most effective if it is carried out immediately after the 24 hour maturing period.
- Technology
- Composite Materials
- Packaging Type
- Drums
- Totes (IBC)
- Color
- Purple
- Material Features
- Excellent Mechanical Strength
- Good Weather Stability
- Heat Resistance
- High Rigidity
- High Strength
- Composite Materials Functions
- Resins Binders & Matrix Materials
- Surface Finish
Technical data
Table 1 of 3
6 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Viscosity (at 25°C,100 rpm, Brookfield RVT) | 700 | Centipoise | BS 2782 |
| Thixotropic Index | 1.6 | Ratio | BS 2782 |
| Specific Gravity (at 25°C) | 1.13 | — | BS 2782 |
| Volatile Content | 40 | % | BS 2782 |
| Stability (at 20°C) | 3 | Months | BS 2782 |
| Gel Time (at 25°C, using 1% Andonox® KP9 catalyst) | 20 | Minutes | BS 2782 |
Table 2 of 3
7 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Barcol Hardness (GYZJ 934-1)* | 46 | — | BS 2782 |
| Deflection Temperature (under load 1.80 MPa) †* | 110 | ºC | BS 2782 |
| Water Absorption (24h, at 23°C)* | 20 | mg | BS 2782 |
| Volumetric Shrinkage* | 8 | % | BS 2782 |
| Tensile Strength* | 70 | MPa | BS 2782 |
| Tensile Modulus* | 3400 | MPa | BS 2782 |
| Elongation (at break)* | 3 | % | BS 2782 |
Formulation Guidelines
2 rows| Characteristic | Value |
|---|---|
| Crystic 625PA | 100 |
| Catalysts Andonox® KP9 or Norox® MEKP-925H | 1.0 - 3.0 |
