Rakoll® 4660 is a workhorse, universal reactive hot melt adhesive for wrapping a wide variety of standard-thickness interior foils. Rakoll®4660 was specifically designed for profile wrapping. It has high green strength and excellent melt flow properties, enabling fast line speeds. Open time can be extended by increasing application temperatures. Rakoll®4660 is a single-component, fully reactive hot melt adhesive that crosslinks through a chemical reaction with moisture found in the surrounding air and substrates to produce a thermoset adhesive.

Chemical Family: Polyurethanes (PU)

Product Type: 1K (1 component) Adhesive, Hot Melt Adhesive, Reactive Adhesive

Application Area: Furniture, Profile Wrapping, Woodwork

Compatible Substrates & Surfaces: Composites, Foils, Medium-Density Fibreboard (MDF), Plastics, Vinyl, Wood

Features: Fast Setting, Good Green Strength, Good Thermal Stability, High Melt Flow

Technical Data Sheet
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Enhanced TDS

Identification & Functionality

Chemical Family

Features & Benefits

Applications & Uses

Cure Method


Typical Properties
ValueUnitsTest Method / Conditions
Density8.4 - 10.0lb/gal-
Open Time20.0s-
Green Strength (min. 50 psi)15.0s-
Application Temperature130 - 140°C-

Technical Details & Test Data

Viscosity Curve

Rakoll® 4660 - Viscosity Curve

Safety & Health

Environmental Recommendation

This product cannot be disposed directly in the sewers. Even though the product has a more environmental-friendly formulation, there are many chemicals in a PVAc dispersion that cannot be considered to have a neutral impact in the environment.

Safety Information

Use only in equipment intended for reactive hot melts. Use with local exhaust ventilation to remove vapors anywhere heated product is exposed to air including adhesive un-loaders, pre-melters, and application areas. Local exhaust ventilation may be required to maintain exposures at safe levels.

Packaging & Availability

Country Availability
Regional Availability
  • North America
  • USA

Storage & Handling

Shelf Life
9 Months
Storage Condition

To ensure maximum stability, product should be stored in the original closed container in a clean and dry interior location capable of maintaining a constant temperature between 50°F and 90°F.