AQUAPAL 4545LV

Low-viscosity fast-setting adhesive for side seam bonding and window patching applications. This formulation delivers the same versatile substrate bonding as AQUAPAL 4545 with lower viscosity for applications requiring easier flow characteristics.

Product Overview
  • Bonds reliably to polyester, cellulose, acetate, polystyrene and glassine films
  • High wet tack supports immediate processing after application
  • Fibre-tearing bond strength on paper substrates confirms excellent adhesion
  • Low maintenance characteristics reduce cleaning requirements and downtime

 

The lower viscosity white adhesive provides precise flow control for fine-line and spray applications.

Product benefits

Application Precision

The lower viscosity compared to standard AQUAPAL 4545 makes this formulation particularly suitable for fine-line application methods and spray systems where fluid flow characteristics directly affect coating precision. This precision reduces adhesive waste and supports tighter tolerances in modern envelope designs.

Equipment Compatibility

Some application systems perform better with lower viscosity adhesives due to pump capacity, nozzle design, or coating method. AQUAPAL 4545LV provides the same bonding performance as the standard viscosity version whilst accommodating these equipment requirements, allowing manufacturers to optimise their existing systems.

Clean Operation

This adhesive runs cleanly through application equipment without excessive build-up or crusting. This cleanliness reduces the frequency of production stops for equipment cleaning and minimises labour costs associated with maintenance activities.

Product Overview

AQUAPAL 4545LV offers the same dual functionality as AQUAPAL 4545 for both side seam bonding and window patching. The ‘LV’ designation indicates the lower viscosity formulation, achieved through rheology modification whilst maintaining comparable solids content and dry film properties. This lower viscosity makes the adhesive easier to pump through fine-line application systems and provides better atomisation in spray coating operations. The formulation maintains the high wet tack and fast-setting characteristics that support high-speed production, whilst the substrate versatility allows bonding across the range of window films and paper stocks used in modern envelope manufacturing. The lower viscosity also contributes to better wetting and penetration of porous substrates, which can improve bond strength development in some paper materials.

Sector & Solutions

Envelopes

Product Type

Dispersion Adhesive

Colour

White

Application Method

Roller, Spray, Fine Line Application

Viscosity

2.5 Poise

Solids Content

64.0%

Application Temp

N/A

Performance Category

N/A

Form

Liquid

Substrates

Paper, Cellulose Acetate, Polyester Film, Envelope Stock, Treated Stocks, Polystyrene, Glassine, Card

dispersion-glue-jerry-can

Safety details

Avoid prolonged skin contact and wash thoroughly with soap and water if contact occurs. In case of eye contact, rinse immediately with plenty of water and seek medical attention. Keep containers tightly closed when not in use. Store away from heat sources and incompatible materials. Refer to the Safety Data Sheet for complete safety information, emergency procedures, and disposal guidance.

Additional information

Apply AQUAPAL 4545LV at room temperature through properly maintained application equipment. The lower viscosity may require adjustment of application parameters compared to standard viscosity formulations. Full bond strength develops over 24 hours. Mix thoroughly before use and at regular intervals during production to maintain consistency. Clean equipment promptly with warm water before adhesive dries.

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