Tek Air® 420D SD/HT is a solution dyed (SD), high tenacity (HT) nylon fabric with a durable TPU coating engineered for RF welding to form fully sealed seams. Solution dyeing locks color into the fiber for superior UV/fade resistance and consistent appearance. The fabric delivers excellent abrasion and stain resistance, easy cleanability, and a flexible,…
TEK AIR® 420D SD/HT
Key Features
High Tenacity
Resistant to stretching, tearing, and abrasion, even under repetitive stress
Solution Dyed
Locks color into the fiber for lasting UV resistance and uniform color
RF Weldable
Durable TPU barrier engineered for RF welding to create fully sealed, impervious seams
Waterproof & Flexible
Robust waterproof performance without sacrificing flexibility
Applications
Healthcare
Waterproof, easy clean fully sealed medical covers and devices
Industrial
Portable water and air bladders for seat cushioning and shock absorption
Marine
Inflatable marine gear, flotation bladders, and drybags
Tactical
Durable, RF welded pack exteriors, weapon cases, and protective pouches
Specifications
Composition
100% 420D high tenacity solution dyed nylon 7 mil TPU
Thickness
0.5 mm
Width
56 inches
Weight
440 gsm
Color/SKU
Black/22090

Performance Properties
| Test/Property | Method | Unit/Standard | Results |
|---|---|---|---|
| Tensile Strength | FS191a Method 5100 Grab Method | Min W 400 lbf Min F 340 lbf | Warp: 465 lbf Weft: 460 lbf |
| Elongation at Break | ASTM D751B | W ⋜ 60% F ⋜ 60% | Warp: 31.9% Weft: 40.5% |
| Tearing Strength | FS191a Method 5136 Tongue Method | Min W 20 lbf Min F 20 lbf | Warp: 26 lbf Weft: 26 lbf |
| RF Welding | FS191a Method 5970 | Min W 100 lbf Min F 80 lbf | Warp: 133 lbf Weft: 111 lbf |
| Water Immersion Scrub | ISO5981 | 100 Cycles | No Damage |
| Flammability Resistance | CAL TB117-2013 | Pass/Fail | Pass |







