Ensure exceptional packaging security with our premium Fiberglass Reinforced Water Activated Kraft Tape for Heavy Duty Carton Sealing, specifically engineered to withstand rigorous transit conditions. Embedded with multi-directional fiberglass yarns, this tape delivers outstanding high tensile strength and forms an immediate, tamper-evident bond that permanently fuses to corrugated boxes upon contact with moisture. Alongside our high-performance tape, we offer comprehensive custom printing services, allowing you to showcase brand logos, barcodes, and handling warnings with crisp precision. Made with natural kraft paper and plant-based adhesives, it represents the gold standard in eco-friendly packaging solutions for modern logistics. Partner with us for reliable bulk manufacturing, prompt fulfillment, and dedicated client support tailored to optimize your commercial packing operations.
Product Features
Water activated reinforced kraft tape is also known as tape sealing kraft paper、brown kraft paper tape. It uses high density kraft paper as the base material and adds fiberglass sand as reinforcement, which enables the tape to have better tensile strength. It can be customized with different colors according to customers' requirements.
Product TDS
| Physical Properties | Standard | Metric | Test Method | ||
| Color | Natural | ||||
| Composite Layer Adhesive | Polymeric Copolymer | ||||
| Water-Activated Adhesive | Starch Adhesive | ||||
| Total Thickness | 5.5 mils | 0.14 mm | ASTM D-3652 | GB/T7125 | |
| Tensile Strength | MD | 65 lbs/in | 290 N/25mm | ASTM D-3759 | GB/T7753 |
| CD | 20 lbs/in | 92 N/25mm | ASTM D-3759 | GB/T7753 | |
| Reinforcement | MD |
72mm 110 (1-1-1-1-1-1) Fiberglass |
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| CD |
28mm 150 (1-1-1) Fiberglass diamond wiring |
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| Backing | Top Ply:25 lb(40 g/㎡)Kraft Paper | ||||
| Bottom Ply:25 lb(40 g/m2)Kraft Paper | |||||
Product Application & Advantages

Secure Bond - our starch based adhesive aggressively bonds to corrugated cartons, even in dusty or dirty environments.
Custom Printed - advertise your company and products, provide directions for freight handlers and improve the appearance of your package.
All-Weather Use - not affected by extreme hot or cold temperature. Protection - a carton sealed with water-activated tape can’t be opened without leaving a broken seal.
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