SMOOTH-ON Tarbender: 1.29kg – High Gloss UV Resistant Clear Epoxy

Code: 19641


Quick Overview

Net Weight: 2.83lbs/1.29kg

Read Technical Bulletin and MSDS before using available at:

In stock


Tarbender is a UV resistant clear liquid epoxy that can be poured over a variety of surfaces to provide a strong, high gloss coating. Parts A and B mix together and flow easily. Tarbender epoxy cures at room temperature and offers high impact resistance.

Tarbender is an excellent wood bar top coating and can also be poured over plaster, concrete, foam, fabrics, etc. You can use Tarbender to encapsulate 3-D objects or coat flat objects, paper and more.

Tarbender® Coverage Rates
Amount Poured at 1/16”(1.6mm) Poured at 1/8” (3.2mm) Poured at 1/4” (6.4mm)
1 oz. / 28.3 grams 25.4 in² / 164 cm² 12.7 in² / 82 cm² 6.4 in² / 41 cm²
Trial Unit (2.83 lbs. /1.28 kg) 8 ft² / 0.74 m² 4 ft² / 0.37 m² 2 ft² / 0.19 m²


  • UV resistant
  • Optically clear
  • 2A:1B by volume mix ratio – no scale needed



Product and Work Area Preparation – Tarbender® containers should be stored and used at room temperature (73 F/23 C). Wear long sleevegarments, disposable gloves and safety glasses. Have all materials and tools on site before you begin

  • Measuring cups
  • Mixing containers
  • Paint Stirring Sticks
  • 90% Isopropyl Alcohol
  • Propane Torch

Mixing containers should be made of plastic, metal or wax coated paper. Due to very high temperature potential (exotherm) of Tarbender®, do not use glass or foam containers.

Ventilation – Use only in a well ventilated area and avoid breathing fumes. Wearing a NIOSH approved respirator is recommended.

Using Tarbender® to Coat Bar Tops

Usage Overview – Most bar tops require 2 – 3 layers of Tarbender® with a 4-hour cure time in between layers. You can apply as many ¼” (6.4mm)layers as needed.

Estimating Coverage – How Much Will You Need? you can correlate the square inch (cm) area of your bar top with the yield of mixed Tarbender®.

Surface Preparation – Bar top surface to be coated with liquid epoxy should be level in all directions. Surface must be free of dust, oils or other contaminants. Tarbender® should not be used on surfaces coated with oil-based stain, as it will delaminate. Water based stains are compatible.

Sealing Porous Surfaces – unfinished wood surfaces, stone, marble, concrete, etc. should be sealed with a thin layer of Tarbender®. See “Pouring and Spreading Tarbender®” section below.

Pre-Mixing – Pre-mix Part B Before using – Shake Part B container well for 1 minute before dispensing.

Measuring – Accurately measure 2A:1B by volume into a plastic, metal or wax-free mixing container.

Mixing – Mix using a flat edge wooden paint stick for 2 minutes. Scrape the sides and bottom of the mixing container with the edge several times. Pour contents into a new, clean mixing container and mix again for 2 minutes. If using a drill mixer, use a variable speed mixer set to low rpm and mix for 2 minutes. Creating a vortex will introduce air. Follow with hand mixing for 2 minutes. A large mass concentration of epoxy will reduce pot life and may become too hot to handle. If concentrated mass of epoxy begins to get very hot, move outside to open air. To extend working time, reduce mass by pouring mixture into a flat baking pan and pour onto bar top from there.

Do Not Vacuum – Subjecting mixture to vacuum will introduce air.

Pouring Tarbender® – After mixing, pour a thin stream along the entire length of the surface. Do not exceed 1/16” (1.6 mm) for this layer. Your goal is to obtain an even coating. Let Tarbender® cure for 4 hours before applying another layer. Note: do not exceed ¼” (6.4 mm) thickness per pour. If greater thicknesses are desired, pour in layers of ¼” (6.4 mm) with 4 hours minimum between layers.

For coating bar tops, a minimum thickness of 1/8” (3.2 mm) or two layers is recommended.

Non-Porous Surfaces do not require a sealing coat. Mix and pour Tarbender® as directed to ¼” (6.4 mm) thickness. Look for bubbles and lightly pass propane torch over surface to dissipate. Let cure for 6 hours.

Dissipating Bubbles from Surface Using a Propane Torch – After Tarbender® is poured, pass a propane torch (available at any hardware or DIY store) back and forth lightly over surface to dissipate bubbles. Be careful when handling the torch and do not get closer to the surface than 3” (7.62 cm). If pouring multiple layers, use a propane torch to dissipate bubbles after pouring each layer.

If Encapsulating 3-D Objects – Apply a 1/16” (1.6 mm) coating to bar top as directed above. Dissipate bubbles with torch. Let cure for 4 hours. Place objects on top of cured layer. Mix a small amount of Tarbender® and pour directly over and around objects to break surface tension.

If Encapsulating Paper, Cardboard, etc. – Laminate paper before encapsulating. You can also seal surface with white glue (such as Elmer’s Glue) mixed 4 parts glue to 1 part water). Allow to dry for 16 hours before encapsulating in Tarbender®.

Adding Color – You can add SO-Strong® or IGNITE® color tints. Pre-mix color tint into Tarbender® Part A thoroughly and then add Part B.

Adding New to Old – If too much time passes (72 hours or more) between applying layers of Tarbender®, delaminating may occur if you try to add more. For Best Results; lightly sand cured epoxy surface with 220 grit sand paper and wipe clean with denatured alcohol before mixing and applying new Tarbender®.

Releasing Tarbender® From Surfaces – ifyou do not want Tarbender® to adhere to a surface, apply two coats of Sonite Wax. Allow wax to dry 1 hour and buff before pouring epoxy.

Clean Up – 90% Isopropyl Alcohol will remove uncured Tarbender® from most surfaces. It can also be used to clean the surface of cured Tarbender® epoxy. Alcohol is flammable. Follow all safety precautions for handling flammable liquids and provide adequate ventilation.


Data At-A-Glance

Mix Ratio By Volume 2A:1B
Mix Ratio By Weight 100A:41B
Specific Gravity 1.09 g/cc
Specific Volume 25.4 cu. in./lb.
Pot Life 45 minutes
Cure Time 16 hours
Color Clear
Thin Film Working Time 2 hours
Thin Film Recoat Time 6 hours
Tack Free Time 8 hours
Shore D Hardness 75
Mixed Viscosity 1,100 cps

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