Engineered for the most demanding industrial applications, the JLW-329 Heavy Duty Fiberglass Reinforced Filament Strapping Tape offers unmatched durability and security for your heavy cargo. Featuring a rugged backing infused with continuous fiberglass yarns, this tape delivers extreme high tensile strength and superior resistance to tears, splitting, and abrasion. It is the premier choice for heavy-duty packaging, reinforcing crates, and secure palletizing and bundling without snapping under intense stress. Paired with our specialized clean removal adhesive, it bonds aggressively to corrugated cardboard, metals, and plastics while preventing residue. Beyond providing world-class strapping products, we offer comprehensive custom tape solutions, including tailored widths, custom printing, and expert technical support to streamline your supply chain and packaging operations efficiently.
Product Features

JLW-329 is a transparent and high strength bi-directional filament tape. Glass fiber contributes higher tensile strength and improved synthetic rubber delivers stronger adhesion; generating bi-directionally strengthened effect; high resistance to abrasion; impact resistance and high holding power.
TDS
| Physical Properties | Standard | Metric | Test Method | ||
| Reinforcement | Fiberglass | ||||
| Adhesive | Synthetic Rubber | ||||
| Backing | PET | ||||
| Color | Clear | ||||
| Total Thickness | 4.7 mils | 0.12 mm | ASTM D-3652 | GB/T7125 | |
| Peel Adhesion 90° |
83 oz/in |
23 N/25mm |
ASTM D-3330 | GB/T2792 | |
| Holding Power |
≥24h |
≥24h |
ASTM D-3654 | GB/T4851 | |
| Tensile strength | 112 lbs/in | 500 N/25mm | ASTM D-3759 | GB/T7753 | |
| Elongation at break | 3-5% | 3-5% | ASTM D-3759 | GB/T7753 | |
| Service Tem. - Mini | 23℉ | -5℃ | BC/BD-220SE | BC/BD-220SE | |
| Service Tem. - Max | 158℉ | 70℃ | DHG-9055A | DHG-9055A | |
Product Application
Suitable for bundling heavy objects and carton packing; general bundling; reinforced marine carton packaging; express-bag tear tape and so on.
Other Related Products

· JLW-308: Will be sticky when it is heated; Good wear resistance, applied in the internal fastening of high voltage cable etc.
· JLW-325, JLW-329, JLW-306: Heavy box closure, splicing, general bundling and reinforcing, sealing edge of special woven bag sealing edge, metal coil closure, pipeline bundling etc.
· JLW-2070: Heavy box closure, palletizing, strapping, bundling and reinforcing etc.
· JLW-396FR: Fiberglass cloth tape, is made of flame retardant acrylic adhesive, which provide excellent flame retardant properties ; Mainly designed for the application of aircraft cargo and other maintenance, repair and operating (MRO); It is normally applied in sealing aircraft cargo panels.










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