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| Brand Name: | XIANZI |
| Model Number: | yst |
| MOQ: | 50 rolls |
| Price: | 9.5-13.5usd/roll |
| Payment Terms: | T/T |
| Supply Ability: | 100000 roll/month |
Easy Open Tear Tape For Envelopes Red 3mm To 8mm Tear Strip
This Easy Open Tear Tape (also called tear strip or pull tape) for envelopes uses PET or OPE film as the base material, coated with a pressure-sensitive adhesive in red color. It is designed for sealing and convenient opening of envelopes and courier bags. Users can pull along the red line to open the envelope neatly without tools. The product is compatible with high-speed envelope folding machines, with stable heat sealing, no blade jamming, smooth tearing, and no debris. Standard widths are 3mm, 5mm, 6mm, and 8mm. Thickness and roll length can be customized.
| Parameter | Specification | Test Method | Standard Reference |
|---|---|---|---|
| Thickness | 20 – 35 μm (standard 25 / 30 μm) | ISO 4593 (unembossed film) | ISO 4593:1993 |
| Width | 3mm / 5mm / 6mm / 8mm (standard sizes) | Standard Gauge | Standard Gauge |
| Color | Red | — | — |
| Material | PET / OPE | — | — |
| Tensile Strength (MD) | ≥160 MPa (OPE) / ≥200 MPa (PET) | ISO 527-3:2018 | ISO 527-3:2018 |
| Elongation at Break (MD) | ≤180% | ISO 527-3:2018 | ISO 527-3:2018 |
| Tear Strength | ≥120 kN/m | ISO 6383-1:2015 (Trouser tear method) | ISO 6383-1:2015 |
| Peel Adhesion (180°, stainless steel) | ≥0.8 N/mm | ISO 29862:2024 Method 1 | ISO 29862:2024 |
| Static Shear Adhesion | ≥30 min (25mm×25mm, 1kg load, negotiable) | ISO 29863:2018 Method A | ISO 29863:2018 |
| Adhesive Type | Acrylic pressure-sensitive | — | — |
| Roll Length | 5,000 – 15,000 m per roll | Counter system | Counter system |
| Core Diameter | 76 mm / 152 mm | Standard Gauge | Standard Gauge |
This product is tested according to international standards: ISO 4593 for thickness, ISO 527-3 for tensile properties, ISO 6383-1 trouser tear method for tear strength, ISO 29862 Method 1 for peel adhesion, and ISO 29863 Method A for static shear adhesion.
Kraft envelopes
White cardboard envelopes
Bubble mailers
Courier bags
Document envelopes
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