Secure your shipments with unmatched durability using our Heavy Duty Fiberglass Reinforced Gummed Kraft Paper Tape for Box Sealing. Engineered with cross-woven fiberglass filaments, this high-performance water-activated tape penetrates corrugated fibers to form an unbreakable, tamper-evident seal that reliably withstands extreme transit conditions and heavy carton loads. Beyond superior product strength and environmental resistance, we offer complete business solutions tailored to your fulfillment needs. Our dedicated capabilities include professional custom printing services to amplify brand visibility, versatile width specifications, and flexible bulk ordering options for high-volume operations. Choose our secure packaging solutions to reduce material waste, prevent theft, and protect your inventory throughout its entire supply chain journey.
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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