RAJA 28 micron polypropylene tape is the general-purpose polypropylene packing tape for standard carton sealing in post rooms, warehouses and despatch operations. The BOPP film is 28 thick and the hot melt adhesive bonds immediately on contact with paper and board surfaces at temperatures from 15°C to 60°C. This packing tape, available in clear or brown, comes in three widths (25mm, 48mm and 75mm) on 66m rolls, with a 132m option also available in 48mm width. Weight capacity is under 20kg.
Requires a dispenser to cut.
What is RAJA 28 micron polypropylene tape best for?
It's the right choice for standard-volume carton sealing in ambient warehouse and despatch environments where a reliable, cost-effective tape is needed for cartons under 20kg.
- Sealing standard single-wall and double-wall cartons under 20kg in post rooms and warehouses.
- High-volume packing lines where a fast-bonding, dispenser-fed tape reduces sealing time.
- Operations needing both clear and brown options from the same grade. Both finishes are available in 48mm and 75mm widths.
- For lighter sealing tasks such as parcel bundling and securing documentation to packages, this tape is available in 25mm width.
Not for
- Cartons over 20kg: weight capacity is under 20kg; use RAJA 32 micron polypropylene tape for cartons up to 30kg.
- Below 15°C: hot melt adhesive loses initial tack in cold conditions; do not apply in unheated environments below this threshold.
- Quiet packing environments: standard hot melt polypropylene tape unwinds noisily; use RAJA low noise polypropylene tape for open-plan or noise-sensitive areas.
- Operations requiring kerbside recyclability: this is a BOPP plastic tape; use self-adhesive paper tape where kerbside recyclability is required.
How to use
Hot melt adhesive bonds immediately on contact. Surface temperature and cleanliness determine how reliably carton seams hold under transit loads.
- Check surface temperature: Apply at 15°C or above. Hot melt adhesive loses tack in cold conditions; bonds applied below this threshold can fail at the flap edge during transit.
- Load the dispenser: Fit the 76mm core roll into a pistol grip dispenser. Dispensers give consistent tape tension, clean cuts and faster throughput on high-volume packing lines.
- Seal the full carton seam: Apply with a 50mm overlap onto each carton face. Press firmly along the full length as partial contact at flap edges is a common cause of seal failure.
- Store correctly: Store at 15–25°C below 50% humidity. Shelf life is 6 months from manufacture; rotate stock on a first-in, first-out basis.
Specifications
- Backing: Polypropylene (BOPP)
- Adhesive: Hot melt
- Film thickness: 28
- Total thickness: 46
- Width options: 25mm, 48mm, 75mm
- Length per roll: 66m (132m available in 48mm width)
- Core size: 76mm
- Min application temperature: 15°C
- Max application temperature: 60°C
- Weight capacity: Under 20kg
- UV resistance: No
- Shelf life: 6 months from manufacture
- Storage: 15–25°C, max 50% relative humidity
- Colour options: Brown (buff), clear
- Tearability: Dispenser required
Choose the right tape
- Choose this packing tape, clear or brown, when sealing cartons under 20kg at ambient temperature on standard despatch and packing lines.
- Choose RAJA 32 micron polypropylene tape when cartons weigh up to 30kg and a stronger natural rubber adhesive is required.
- Choose RAJA low noise polypropylene tape when unwind noise is a concern in open-plan or shared packing environments.
- Choose self-adhesive paper tape when kerbside recyclability is a packaging requirement.
Product FAQs
What is the difference between 28 micron and 32 micron polypropylene tape?
The 28 micron grade uses hot melt adhesive and handles cartons under 20kg; the 32 micron grade uses natural rubber adhesive, is 4 microns thicker and handles cartons up to 30kg.
Why does this polypropylene packing tape need a dispenser?
BOPP film isn't hand-tearable. A dispenser with a blade gives a clean cut and consistent tape tension, which directly affects seal quality on high-volume packing lines.
Is clear polypropylene tape as strong as brown?
Yes, both clear and brown polypropylene tape use the same 28 micron film and hot melt adhesive; the colour difference is cosmetic only and doesn't affect adhesion or strength.
Can this tape be used below 15°C?
No, 15°C is the minimum for hot melt adhesive; below this, initial tack is reduced and seals can fail at carton flap edges during transit.
Is polypropylene packaging tape recyclable?
No, BOPP film requires specialist plastic film collection and isn't recyclable at kerbside. If recyclability is needed, tapes with a paper backing are the best choice.
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