LORD 459X

Harmonization Code : 3208.20.90 | Paints and varnishes that are dispersed or dissolved in a non aqueous medium

LORD 459X

Main features

  • Adhesion-Promoting Surface Treatment
  • Low-Viscosity Adhesive Application
  • Brush, Dip or Spray Application

Product Description

LORD® 459X Adhesion Enhancer/Surface Modifier is a low-viscosity, xylene-based surface treatment designed to promote adhesion to difficult-to-bond thermoplastic elastomers, thermoplastic polyolefins and EPDM. Supplied pre-diluted for direct application, it can be used with LORD acrylic, urethane and epoxy structural adhesives, as well as compatible coatings and double-sided tapes. The material requires no mixing or additional dilution and can be applied by brush, dip or spray.

Key Features

  • Promotes adhesion to difficult elastomers, including TPE, TPO and EPDM substrates.
  • Ready-to-use formulation requires no mixing or dilution before application.
  • Low-viscosity application supports brush, dip and spray methods.
  • Low dry-film requirement with an optimum dry-film thickness of approximately 0.1 mil (2.5 µm).

Applications / Suitable for

  • Surface treatment of TPE, TPO and EPDM
  • Adhesion promotion for acrylic, urethane and epoxy structural adhesives
  • Adhesion enhancement for coatings
  • Surface preparation for compatible double-sided tapes
Product Family

LORD 459X

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TDS, SDS & Technical Documents

Technical Specifications

General Properties
Appearance
Appearance at room temperature.
Amber Liquid
Density
Volumetric mass per unit
857-881 kg/m3
Physical Properties
Viscosity
Viscosity is a measurement of a fluid’s resistance to flow. Viscosity is commonly measured in centiPoise (cP). One cP is defined as the viscosity of water and all other viscosities are derived from this base. MPa is another common unit with a 1:1 conversion to cP. A product like honey would have a much higher viscosity -around 10,000 cPs- compared to water. As a result, honey would flow much slower out of a tipped glass than water would. The viscosity of a material can be decreased with an increase in temperature in order to better suit an application
10 mPa.s
Thermal Properties
Flash Point
The flashpoint of a solvent is the lowest possible temperature at which it can vaporize to form an ignitable vapor. Flashpoint is often confused with “autoignition temperature”, which is the temperature at which a solvent ignites without an ignition source.
27 °C

Additional Information

Technical Properties

As-Supplied / Before-Processing Properties

Typical as-supplied properties. Values are typical and are not intended for specification purposes.

Property Value Unit Method / Condition
Appearance Amber liquid — Typical
Viscosity Approximately 10 cP Brookfield LVT, Spindle 1, 60 rpm at 77°F (25°C)
Density 7.15–7.35
(857–881)		 lb/gal
(kg/m³)		 Typical
Solids Content by Weight 2.7–4.1 % Typical
Flash Point 81
(27)		 °F
(°C)		 Seta
Solvent Xylene — Supplied pre-diluted for direct application
Mixing Requirement None — No mixing or dilution required
Shelf Life 6 months From date of shipment; store at 70–80°F (21–27°C) in the original, unopened container
Technical Properties

After-Processing / Final-State Properties

Supported applied-film and drying conditions for LORD® 459X Adhesion Enhancer/Surface Modifier.

Property Value Unit Method / Condition
Optimum Dry-Film Thickness Approximately 0.1
(2.5)		 mil
(µm)		 Applied by brush, dip or spray
Room-Temperature Air-Dry Time 30–60 minutes Room temperature with good airflow
Oven-Dry Schedule 5–10 minutes At 200–250°F (93–121°C); heat cycling generally improves adhesion

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