H.B. Fuller logo

Rakoll® 4020

1 of 30 products in this brand
Rakoll® 4020 is a non-labeling, reactive hot melt adhesive designed for edgebanding applications. It has a low monomer content (<0.1%) and is developed to meet the demand for high-performance adhesives. Rakoll 4020 has good initial strength and is suitable for bonding various edge materials.

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

Application Area: Edge Banding, Furniture, Woodwork

Compatible Substrates & Surfaces: Acrylonitrile Butadiene Styrene (ABS), Composites, Other Substrates & Surfaces, Paper, Polypropylene (PP), Polyvinyl Chloride (PVC), Wood, Wood Veneer

Application Method: Nozzle, Roller

Chemical Family: Polyurethanes (PU)

Features: Excellent Flow Properties, Excellent Initial Seal Strength, Good Cold Resistance, Good Green Strength, Good Melting Properties, High Initial Tack, Very Good Heat Resistance, Water Resistant

Technical Data Sheet
View All Documents

Enhanced TDS

Identification & Functionality

Chemical Family
Polyurethanes (PU)
RTU Product Type
1K (1 component) Adhesive,
Hot Melt Adhesive,
Reactive Adhesive
Technologies
Adhesives & Sealants
Product Families
Adhesives & Sealants — Bonding Technology
Hot Melt Reactive Adhesives

Features & Benefits

Labeling Claims
Non-Hazardous,
Sustainable
Ready-to-Use Product Features
Excellent Flow Properties,
Excellent Initial Seal Strength,
Good Cold Resistance,
Good Green Strength,
Good Melting Properties,
High Initial Tack,
Very Good Heat Resistance,
Water Resistant
Product Benefits
  • Low monomer: contains less than 0.1% monomer isocyanate and therefore is free from hazardous labeling, providing environmental benefits to the workplace
  • Safety and compliance: Rakoll 4020 provides safe and non-hazardous conditions at workplaces
  • Easy processability: The combination of open time and initial strength enables an easy and robust process. In addition, its stability on the application roller provides homogeneous coat weight during processing
  • High initial strength: The initial strength makes the product suitable for rigid materials

Applications & Uses

Markets
Building & Construction,
Consumer Goods
Applications
Building & Construction — Building Materials
Wood
Consumer Goods — Furniture
Application Area
Edge Banding,
Furniture,
Woodwork
Application Method
Nozzle,
Roller
Compatible Substrates & Surfaces
Acrylonitrile Butadiene Styrene (ABS),
Composites,
Other Substrates & Surfaces,
Paper,
Polypropylene (PP),
Polyvinyl Chloride (PVC),
Wood,
Wood Veneer
Cure Method
Moisture Cure

Properties

Physical Form
Solid
Appearance
Off white solid
Typical Properties
ValueUnitsTest Method / Conditions
Initial Strengthhigh--
Line Speed (suitable for fast running machines)approx. 20 - 60m/min-
Heat Resistancemax. 150°C-
Monomer Contentmax. 0.1%-
Cold Resistance-30°C-
Application Temperature120 - 150°C-
Technical Data
ValueUnitsTest Method / Conditions
Viscosity (at 160 C, 10 1/min, Sp. 29)45000mPa·sBrookfield Thermosel
Line Speedmin. 20m/min-
Open Time20 - 40sInternal HBF Standard, depending on temperature, coating weight and substrate
Density1.1g/cm³-
Storage Temperature- 25 to 35°C-
Typical Curing Time (for Final Properties)5 - 7d-
Moisture Content (of Wood)8 - 10%-
Relative Humidity40 - 60%-
Processing Parameters
ValueUnitsTest Method / Conditions
Processing Temperature120 - 150°C-
Open Time (depending on temperature, coating weight, and substrate)20 - 40secInternal HBF Standard
Viscosity (at 160°C, Spindle 29, 10 min⁻¹)45000mPa.sBrookfield Thermosel
Recommended Operating Conditions
ValueUnitsTest Method / Conditions
Ambient Temperature18 - 20°C-
Substrate Temperature18 - 20°C-

Packaging & Availability

Packaging Type
Pails
Regional Availability
  • Europe
  • India/MiddleEast/Africa (IMEA)
Packaging Information
  • 18 kg pails
  • 2 kg slugs

Storage & Handling

Shelf Life
9 months