Formex™GK™ Fire Retardant Insulating Material
FORMEX™ GK is a flame retardant grade of polypropylene extruded into sheet and roll form. Formex offers a good low-price alternative for a variety of flame retardant sheet materials including polycarbonate, polyester, PVC and Nomex aramid paper and Nomex Pressboard. Formex can be readily formed into desired shapes. Formex GK grades have UL 94V-0 rating (GK-10 is VTM-0).
Applications:
- Transformer insulation
- Instrumentation housing
- Automotive parts
- Lighting and switche housings
- Barrier material
Characteristics:
- Low cost, durable electrical insulating material
- High dielectric strength
- Low moisture absorption
- UL 94 V-0 flammability class rating, ( GK-10 is VTM-0 )
- Exceptional scoring and bending features
Formex™ GK Properties:
| Grade | Thickness | Thickness | Width | Master roll length | Sheet size | Yield |
| inches | mm | mm | metres | mm | M2/K | |
| GK-10 | 0.01 | 0.25 | 610 | 609.6 | n/a | 3.64 |
| GK-17 | 0.017 | 0.43 | 610 | 304.8 | n/a | 2.05 |
| GK-30 | 0.03 | 0.76 | 610 | 182.9 | n/a | 1.23 |
| GK-40 | 0.04 | 1.02 | n/a | n/a | 610X1220 | 0.92 |
| GK-62 | 0.062 | 1.57 | n/a | n/a | 611X1220 | 0.6 |
Availability: Die-cut parts, strip, sheets.
