TRANSPARENT TAPES
Transparent tape is a highly versatile adhesive solution widely used across packaging, office, and industrial applications. Its clear finish ensures a neat and professional look without covering important labels or printed information. Designed with strong adhesive properties, it provides secure sealing for cartons, envelopes, and lightweight packages. The tape offers smooth unwinding and easy application, improving efficiency in daily operations. It is resistant to splitting and maintains consistent performance under regular handling conditions.
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Transparent BOPP Tape & Clear Carton Sealing Tape Specifications
As a premier transparent tape manufacturer in Tamil Nadu, VIMA TAPES produces industrial-grade clear BOPP adhesive tape engineered according to international ASTM packaging standards. Available in 48mm transparent packing tape, 72mm transparent bopp tape, 100 meter rolls, and custom slitting rolls directly from our Avinashi factory.
| Technical Parameter | Standard Factory Specification |
|---|---|
| Product Type | Transparent BOPP Self-Adhesive Packaging Tape |
| Backing Film | Biaxially Oriented Polypropylene (BOPP) virgin film |
| Adhesive Chemistry | Water-based acrylic pressure-sensitive adhesive (PSA) |
| Colour / Finish | Crystal clear transparent finish (Non-yellowing) |
| Standard Thickness Options | 36, 38, 40, 42, 45, 50 and 55 microns (±2 µm tolerance) |
| Standard Slit Widths | 12 mm, 24 mm, 48 mm (2"), 60 mm (2.5") and 72 mm (3") |
| Standard Roll Lengths | 50 m, 65 m, 100 m (Industrial jumbo rolls up to 1000 m on request) |
| Core Diameter & Type | 3-inch (76 mm) heavy-duty industrial reinforced paper core |
| Typical Applications | Carton sealing, parcel closure, e-commerce dispatch, bundling, protective wrapping |
| Application Methods | Manual hand dispensers, pistol-grip tape guns, semi/fully automated carton sealers |
| Operating Temperature | -5°C to 65°C service temperature range |
| Compliance & Safety | RoHS compliant, non-toxic, solvent-free water emulsion |
Master BOPP Tape Grade-Wise Engineering Matrix
Reproduced from VIMA TAPES Technical Specifications & Laboratory Assurance standards (Catalogue Page 5). Demonstrates precise adhesive GSM coat weights and tensile metrics across production grades.
| Technical Parameter | Standard38 µm | General Purpose40 µm | Heavy Duty45 µm | Extra Strong50 µm | Industrial Grade55 µm |
|---|---|---|---|---|---|
| Total Composite Thickness | 38 ± 2 µm | 40 ± 2 µm | 45 ± 2 µm | 50 ± 2 µm | 55 ± 2 µm |
| Adhesive Coating Weight | 18 ± 2 GSM | 20 ± 2 GSM | 23 ± 2 GSM | 26 ± 2 GSM | 30 ± 2 GSM |
| Base BOPP Film Thickness | 20 µm | 20 µm | 22 µm | 24 µm | 25 µm |
| 180° Peel Adhesion (ASTM D3330) | ≥ 6.5 N/25 mm | ≥ 7.0 N/25 mm | ≥ 7.5 N/25 mm | ≥ 8.2 N/25 mm | ≥ 9.0 N/25 mm |
| Tensile Strength (ASTM D3759) | ≥ 60 N/25 mm | ≥ 70 N/25 mm | ≥ 80 N/25 mm | ≥ 95 N/25 mm | ≥ 115 N/25 mm |
| Elongation at Break (ASTM D3759) | ≥ 120% | ≥ 130% | ≥ 140% | ≥ 150% | ≥ 160% |
| Holding Power / Shear (ASTM D3654) | ≥ 24 hours | ≥ 36 hours | ≥ 48 hours | ≥ 60 hours | ≥ 72 hours |
Material Construction & Adhesive Technology
Why VIMA TAPES transparent rolls dispense smoothly, grip instantly, and resist flap popping under demanding logistics loads.
BOPP Film Backing
Biaxially Oriented Polypropylene (BOPP) is extruded and stretched in both machine direction (MD) and transverse direction (TD). This biaxial molecular orientation delivers exceptional tensile strength, puncture resistance, and crystal-clear transparency that keeps barcodes and printed carton details 100% visible.
- Superior tensile resilience prevents edge splitting on sharp box corners
- Corona-treated backing guarantees tenacious adhesive anchorage
Pure Water-Based Acrylic PSA
Formulated with high-grade aqueous acrylic polymer emulsions. The adhesive bonds through intimate surface wetting under light manual pressure without heat activation. It provides high initial tack, strong peel adhesion, and continuous resistance to shear forces.
- 100% Non-yellowing formula retains pristine optical clarity over time
- Environmentally compliant, solvent-free, and odorless for food & garment packing
Film Microns vs. Coating GSM
A total tape rating consists of two independent layers: the base BOPP film thickness (e.g. 20–25 µm) and the dry adhesive coating mass (18–30 GSM). Coating mass dictates bonding security on porous, recycled craft cartons, while film gauge provides tensile burst resistance.
- Higher GSM (23–30 GSM) bridges uneven fibers on heavy 5-ply cartons
- Calibrated micrometer accuracy ensures continuous roll-to-roll uniformity
Slitting Precision & Jumbo Logs
After coating in our automated drying tunnels, master rolls are converted on 7 high-speed slitter rewinders. Laser-aligned rotary shear knives yield razor-sharp, burr-free roll edges and uniform tension winding that unwinds effortlessly without tearing.
- Heavy-duty 3-inch (76 mm) paper cores prevent in-transit carton crush
- Converter formats: Jumbo rolls up to 1315 mm wide & 8000 m length
Certificate of Analysis (COA) — Batch Test Report
Authentic in-house laboratory batch test record for a nominal 48-micron transparent BOPP tape sample (72 mm width × 100 m length). Demonstrates verified quality parameters.
| Evaluation Parameter | COA Target / Stated Band | Actual Laboratory Result |
|---|---|---|
| Base Material | BOPP Film | Virgin BOPP Film Verified |
| Adhesive Formulation | Water-based acrylic polymer | High-grade aqueous acrylic PSA |
| Base Film Thickness | 25 microns | 25.0 microns |
| Adhesive Coating Thickness | 23 microns | 23.5 microns |
| Total Composite Thickness | 48.0 microns nominal | 48.5 microns |
| Slit Width | 72 mm (3 inch) | 72.1 mm |
| Roll Length | 100 metres | 100.2 metres |
| Optical Appearance | Crystal clear transparent | Passed — uniform clarity |
| Packing Standard | 48 pieces per carton | 48 pieces / heavy-duty box |
| 180° Peel Adhesion Strength | 490 – 530 gm / 25mm | 540 gm (Superior bond) |
| Static Shear Holding Power | Minimum 16 hours | 18.2 hours (Zero slippage) |
| Rolling Ball Initial Tack | 2.5 – 5.0 inches | 3.5 inches (Instant grab) |
Interpreting the Laboratory COA: This report represents empirical laboratory verification of a specific production batch. Measurements confirm that the 48.5-micron sample achieved 540 gm peel adhesion and 18.2 hours holding shear resistance, comfortably outperforming initial minimum acceptance thresholds.
Understanding Adhesive Tape Performance Tests
Our quality control laboratory in Avinashi tests every master jumboroll batch against internationally standardized test protocols:
180° Peel Adhesion
Measures the exact tensile peel force (N/25 mm) needed to separate tape from a standardized mirror-polished stainless steel panel at a 180° angle, verifying chemical bonding strength.
Tensile Strength & Elongation
Tests longitudinal break resistance when pulled under tension. High tensile ratings (≥60 to 115 N/25mm) prevent tape snaps under automated carton closing pressures.
Holding Power / Static Shear
Measures the endurance of an adhesive joint resisting a continuous gravitational shear load (1 kg weight). Ensures carton flaps remain closed during prolonged storage.
Rolling Ball Initial Tack
Assesses the instantaneous wetting grab of the acrylic adhesive as a precision stainless steel sphere rolls down an inclined plane onto the adhesive face.
Adhesive Coat Weight (GSM)
Calibrated electronic scale checks determine adhesive dry weight per square metre (18 to 30 GSM) to confirm adequate polymer depth for high-recycled paper fibers.
Unwind & Slit Geometry
Evaluates unwind torque and slitting squareness across 12mm–72mm widths to guarantee clean edge release without fraying, telescoping, or web drift.
Transparent Tape Grade Selection Guide
Choose the right tape micron and adhesive construction based on packed carton weight, box ply structure, and expected logistics conditions:
Economy & Light Sealing
Engineered for cost-sensitive, high-volume light packaging stations. Ideal for sealing lightweight corrugated cartons, polybags, stationery and envelopes.
General Purpose & Commercial
The industry workhorse standard. Delivers balanced tensile strength and dependable tack for standard corrugated box sealing and courier dispatch.
Heavy-Duty Industrial
Formulated with higher adhesive coat weight and thicker film backing. Provides superior holding power on rough, recycled, or high-flap memory cartons.
Extra Strong & Export Grade
Maximum gauge composite construction for extreme packaging demands. Resists heavy shock, shifting container loads, temperature fluctuations and sea freight.
Frequently Asked Questions — Transparent Packing Tapes
Detailed technical answers to common queries from procurement managers, warehouse leads, and carton buyers:
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