Ensure maximum security and durability for your shipments with our premium Heavy Duty Fiberglass Wet Kraft Paper Tape for Secure Box Sealing. Specially engineered for high-volume logistics and heavy corrugated cartons, this high-tensile fiberglass reinforced tape integrates a potent water-activated adhesive that penetrates deep into cardboard fibers to create an immediate, indestructible bond. Beyond delivering superior strength during rough transit, it acts as a reliable tamper-evident packaging solution to deter theft and unauthorized opening. In addition to premium product manufacturing, we provide comprehensive carton sealing solutions, including bespoke custom printing services to effectively showcase your brand identity. Upgrade your fulfillment process with an eco-friendly, reinforced paper tape designed to guarantee that every package arrives intact, secure, and looking impeccably professional.
Product Features

Water activated reinforced kraft tape is also known as kraft gum tape、kraft paper sealing tapes. 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 | 5.9 mils | 0.15 mm | ASTM D-3652 | GB/T7125 | |
| Tensile Strength | MD | 70 lbs/in | 310 N/25mm | ASTM D-3759 | GB/T7753 |
| CD | 21 lbs/in | 95 N/25mm | ASTM D-3759 | GB/T7753 | |
| Reinforcement | MD |
72mm 75 (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/㎡)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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