Nils Malmgren AB NM Infusion 693
- Chemical Family
- Epoxy & Epoxy Derivatives
NM Infusion 693 is an extremely low viscosity two pack epoxy system, suitable for infusion processes with demands on high TG. NM Infusion 693 has a very low vapor pressure and can be considered as odorless. Vacuum causes no gas bubbles.
Product families
Applications
- Tooling & Moldmaking
Product Families
- Thermoset Resins
Other characteristics
- End Uses
- Mold Making
- Polymer Name
- Epoxy Resins & Compounds
- Processing Methods
- Vacuum Infusion Processing (VIP)
- Color
- Transparent
- Curing
Curing can take place at room temperature or as a post‐curing at elevated temperature.; The low reactivity involves a long demoulding time at room temperature curing. TG should as a minimum reach room temperature before demoulding.; TG development at +23°C/73°F curing temperature can be seen in the table below typical properties.; An increase or decrease of the curing temperature with 10°C gives a halved resp. doubled demoulding time.; NM Infusion 664 should first cure at room‐temperature (20 – 23°C / 68 – 73°F) for 24 ‐ 30 hours before post‐curing.; It is important that the temperature is ramped up slowly to the final curing temperature. Normal increases are between 0.1 ‐ 0.3 K per minute. It is often a combination of thickness and laminate structure, which determines the speed. The optimum cure cycle must be determined for each case.
- Markets
- Industrial
- Storage
Storage stability of NM Infusion 693 is about 6 months at room temperature. Storage at low temperature is recommended.. NM Infusion 664 can be stored for a longer period at room‐temperature and be post‐cured later.
- Post work
A dry surface must be sanded to ensure adhesion to the next layer.
- Technology
- Composite Materials
- Chemical Resistance
- Acetone
- Surface Preparation
Film forming release agent is recommended, for example Marbocote 220. Wax‐based release agents are normally not recommended and test should be performed before use of these types.
- Processing Instruction
The mixture of components is very important, poor mixing may results in soft spots.; Mix thoroughly in a container, transfer the mixture into a clean container and mix further. Dosage should always be made on a scale with sufficient accuracy or a well calibrated dosage system.; NM Infusion 639 has a low reactivity and the viscosity increases very slowly during the infusion process. Large and complex structures can be infused without problems.; NM Infusion 693 is not suitable for open mold processes, due to the low viscosity. For such applications, NM Laminering 625, NM Laminering 650 or NM Laminering 3070 are recommendable.
- Composite Materials Functions
- Resins Binders & Matrix Materials
- Composites Processing Methods
- Vacuum Infusion Processing (VIP)
- Plastics and Elastomers End Uses
- Mold Making
Technical data
Table 1 of 1
10 rows| Characteristic | Value | Unit |
|---|---|---|
| Cleaning Solvent | Acetone | — |
| Resin | NM Infusion 693 | — |
| Hardener | NM Härdare 650 B | — |
| Mixing Ratio (Weight, Volume) | 100 - 45 (100 - 54) | — |
| Density | 1079 | kg/m3 |
| Viscosity | 0.8 | mPa·s |
| Dry Content | 100 | % |
| Pot Life (100g 20°C) | min. 180 | minutes |
| Flexural Strength (4H,150°C / 302°F + 1H,180°C / 356°F) | 91.5 | MPa |
| E‐Modulus (4H,150°C / 302°F + 1H,180°C / 356°F) | 3 | GPa |
