RO membrane vinyl tape is a 25-30 mm pressure-sensitive tape used for circumferential water-stop wrapping, gap sealing and auxiliary edge protection during spiral-wound membrane element production. Its flexible vinyl film and rubber-based adhesive are designed to conform around cylindrical element surfaces while maintaining controlled overlap.
WECOME supplies matte vinyl tape in white, blue, yellow, green and black. Standard options include 22, 50 and 100 m roll lengths, with 50-100 rolls per carton. Adhesion, colour stability, water resistance and chemical compatibility should be validated on the buyer’s actual element substrate and operating conditions.
Choose the Right Vinyl Tape Range
Standard multi-colour range
Five stock colours support production identification, element variants and standard circumferential wrapping operations.
Long-roll white options
Longer roll lengths reduce roll-change frequency in repeat production. Confirm unwind control and storage requirements for the selected length.
Wider sealing coverage
A 30 mm white option for processes requiring additional overlap or a broader local sealing band around the element body.
RO Membrane Vinyl Tape Specifications
| Model No. | Size | Material | Surface | Rolls / Box | Boxes / Pallet | Carton Dimensions | Gross Weight / Box |
|---|---|---|---|---|---|---|---|
| VINYL-25-WHITE | 25 mm × 22 m | Vinyl | Matte | 100 | 40 | 240 × 280 × 580 mm | 14 kg |
| VINYL-25-BLUE | 25 mm × 22 m | Vinyl | Matte | 100 | 40 | 240 × 280 × 580 mm | 14 kg |
| VINYL-25-YELLOW | 25 mm × 22 m | Vinyl | Matte | 100 | 40 | 240 × 280 × 580 mm | 14 kg |
| VINYL-25-GREEN | 25 mm × 22 m | Vinyl | Matte | 100 | 40 | 240 × 280 × 580 mm | 14 kg |
| VINYL-25-BLACK | 25 mm × 22 m | Vinyl | Matte | 100 | 40 | 240 × 280 × 580 mm | 14 kg |
| VINYL-25-50-WHITE | 25 mm × 50 m | Vinyl | Matte | 100 | 20 | 460 × 460 × 300 mm | 32 kg |
| VINYL-25-100-WHITE | 25 mm × 100 m | Vinyl | Matte | 50 | 20 | 460 × 460 × 300 mm | 32 kg |
| VINYL-30-WHITE | 30 mm × 22 m | Vinyl | Matte | 50 | 20 | 240 × 280 × 580 mm | 17 kg |
Sizes are shown as tape width × roll length. Carton dimensions are shown as length × width × height. Custom dimensions and colours should be confirmed against sample approval, order quantity and production lead time.
How Vinyl Tape Is Applied
Clean the contact surface
Remove dust, release agents, moisture and loose material that may reduce pressure-sensitive adhesion.
Align the sealing band
Locate the intended water-stop, gap or edge area according to the element drawing and work instruction.
Control tension and overlap
Apply uniform tension without overstretching the vinyl film, then maintain the validated overlap around the circumference.
Verify the finished seal
Check edge lift, wrinkles, trapped air, colour, overlap width and complete contact before the next production step.
Key Product Benefits
Flexible vinyl construction
The narrow film conforms around cylindrical element surfaces and local changes in contour when applied with controlled tension.
Rubber-based adhesive
A pressure-sensitive adhesive system supports immediate positioning and overlap adhesion on approved production surfaces.
Multiple identification colours
White, blue, yellow, green and black options can distinguish element types, production batches or customer programmes.
Water-resistance potential
Water exposure and adhesion retention can be validated under the intended temperature, chemistry and immersion period.
Matte surface finish
A consistent non-glossy appearance supports tidy finishing and clear visual inspection of wrinkles or lifted edges.
Production-format choice
Standard, long-roll and wider options allow factories to balance sealing coverage, roll changes and packing efficiency.
How to Specify Vinyl Tape for an RO Element
Define the tape location
Show whether the tape is used at an outer circumference, edge, gap or adhesive joint. A drawing is preferable to a product name alone.
Choose width and overlap
Select 25 or 30 mm from the required sealing band and validated wrap overlap, not only from the element diameter.
Select roll length
Use 22, 50 or 100 m based on consumption per element, changeover frequency and manual or automated handling.
Confirm substrate adhesion
Identify every contact surface and test tack, peel behaviour and residue after realistic surface preparation.
Validate the service environment
Include water temperature, pH, cleaning chemicals, immersion time and storage conditions in the approval plan.
Approve colour and packing
Confirm the physical colour sample, rolls per carton, pallet quantity, carton label and lot traceability.
Incoming Inspection and Process Validation
Test the complete tape-to-element interface
Vinyl film quality alone cannot establish sealing performance. The adhesive, substrate, surface preparation, wrap tension, overlap and water exposure must be evaluated together.
Typical Applications
Circumferential water-stop wrapping
Narrow sealing bands around compact residential and household membrane elements according to the assembly drawing.
Local gap and edge sealing
Auxiliary narrow-tape applications on industrial elements where the approved process specifies vinyl tape and validated overlap.
Auxiliary waterproof wrapping
Local protection around selected membrane edges or adhesive joints after substrate and chemical compatibility are confirmed.
Element production consumable
Factory sealing and identification tape for controlled RO element assembly programmes.
Chemical-exposure validation
Tape selection based on actual cleaning agents, water chemistry and expected service conditions.
Application-specific local sealing
Auxiliary use only after the element manufacturer approves pressure, salinity and ageing performance.
Frequently Asked Questions
What is RO membrane vinyl tape used for?
It is a narrow pressure-sensitive tape used for circumferential water-stop wrapping, local gap sealing and auxiliary edge protection in spiral-wound RO membrane element production.
How is vinyl tape different from RO membrane bonding tape?
Vinyl tape is 25-30 mm wide and used for local sealing details. Bonding or outer wrap tape is supplied in much wider film formats to retain and finish a larger part of the rolled element body.
Which sizes and colours are available?
Listed sizes are 25 mm × 22, 50 or 100 m and 30 mm × 22 m. The standard 25 mm × 22 m range includes white, blue, yellow, green and black.
Can 25 mm vinyl tape be used on 4040 or 8040 RO elements?
It can be evaluated for local circumferential, gap or edge sealing where the industrial element process specifies narrow vinyl tape. It should not be presented as a complete structural outer wrap.
Does vinyl tape guarantee that an RO element will not leak?
No single tape can guarantee element integrity. Leakage control depends on the full element design, adhesive system, component fit, sealing process and completed pressure or hydraulic tests.
Are custom colours and dimensions available?
Custom requirements can be reviewed against physical colour samples, target width and length, minimum order quantity and production lead time.
What should be included in a vinyl tape enquiry?
Provide the element size, tape location, required width, roll length, colour, substrate, overlap, application method, water chemistry, service temperature and annual demand.
Related Products and Technical Resources
Specify the Right Vinyl Sealing Tape
Send the element drawing, sealing location, tape size, colour, contact substrate and operating conditions for model confirmation.