| Main Line Flax | Grade C |
| Code | MLF04 |
| Composition | 70% Virgin Wool, 30% Flax |
| Width | 54 inches minimum |
| Weight | 13 oz/sq yd ±5% |
| Flammability | California Technical Bulletin 117 - 2013 NFPA 260 + UFAC Class 1 BS 7176 Low Hazard ASTM E84 Class 1 or A (Adhered) ASTM E84 Class 2 or B (Un-adhered) |
| Light fastness | AATCC-16 (40 hours) Class 4 |
| Abrasion | ASTM D4157 Wyzenbeek method, Heavy Duty Upholstery Independently certified to ≥100,000 double rubs. Covered by a full and comprehensive 10 year guarantee (full details available). |
| Environment | Certified to the EU Ecolabel Certified to Indoor Advantage™ "Gold" Rapidly renewable and compostable Made from wool and bast fiber |