 
    Henkel Loctite Technomelt PA 638, formerly known as Macromelt OM 638, is a low viscosity, high performance thermoplastic polyamide that is designed to meet low pressure molding process requirements. It is suitable for automotive firewall applications where 125 °C service temperatures are required. 44 lb Bag.
| Typical Use: | Moldable polyamide with service temperature up to 125 °C such as in an automotive firewall. | 
| Brand: | Technomelt | 
| Color: | Black | 
| Cure System: | Heat | 
| Dielectric Strength: | 19 kV/mm | 
| Flash Point: | >200 °C | 
| Hardness: | 90 A | 
| Service Temperature: | -40 to 125 °C | 
| Specific Gravity: | 0.99 | 
| Viscosity: | 3,400 @ 210 °C | 
| Volume Resistivity: | 2.4 x 10^13 ohm-cm | 
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