Questions & Answers
Kevlar fabric grades
Kevlar fiber is available in the following grades: K149, XP, KM2, 129, 49, 29.
Kevlar fabric standards
International standards:
ISO 1743 - Heat resistance of materials;
ISO 9151 - Protection against high temperatures;
ISO 15025 - Flame resistance;
ISO 12947 - Abrasion resistance;
ISO 3801 - Determination of fabric surface density;
ISO 13937 - Testing of tear resistance.
ISO 13934-2 - Determination of fabric elongation;
ISO 2076 - Designations of synthetic fibers.
GOST standards:
GOST 17037 - Methods for determining density;
GOST 12023 - Methods for determining thickness;
GOST 3813 - Methods for determining tear resistance;
GOST 29104.4 - Test methods for textile materials.
Kevlar fabric weight chart
| Fabric thickness | Fabric density | Weight of 1 m² | Roll weight 1×10 m | Roll weight 1×50 m |
| Light | 110 g/m² | 0,11 kg | 1,1 kg | 5,5 kg |
| Lightweight reinforced | 170 g/m² | 0,17 kg | 1,7 kg | 8,5 kg |
| Average | 200 g/m² | 0,2 kg | 2,0 kg | 10 kg |
| Medium reinforced | 240 g/m² | 0,24 kg | 2,4 kg | 12 kg |
| Structural | 300 g/m² | 0,3 kg | 3,0 kg | 15 kg |
| Heavy | 400 g/m² | 0,4 kg | 4,0 kg | 20 kg |
| Ballistic | 460 g/m² | 0,46 kg | 4,6 kg | 23 kg |
| Ultra-dense | 600 g/m² | 0,6 kg | 6,0 kg | 30 kg |