Tarbender™ – 7.05kg


All prices shown include VAT

Tarbender™ is a clear liquid epoxy that can be poured or brushed over a variety of surfaces to provide a strong, high gloss coating.

Parts A & B mix together and flow easily. Tarbender™ epoxy cures at room temperature and offers high impact resistance. Tarbender™ can be applied over wood, plaster, concrete, foam, fabrics, paper, etc. can be used to encapsulate 2-D or 3-D objects. Tarbender™ is certified aquarium safe & is used by aquariums to create hyperrealistic coral and other aquarium displays. It is also used by zoos around the world as a coating for themed elements and displays.


  • UV resistant
  • Optically clear
  • 2A:1B by volume mix ratio

Also available as 1.41kg or 705g product bundles.

Out of stock

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When Do I Get It?

Shipping time is 2 - 5 business days. Excludes weekends & Public Holidays.

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Shop in-store at AMT Composites in Johannesburg, Cape Town & Durban.

  • Shipping may only be to a physical address within the borders of South Africa. No P.O Box’s allowed.
  • Shipping to outlying or remote areas like farms and game reserves may attract an additional fee.
  • The delivery time to city areas is usually between 2 and 5 working days*. This excludes weekends and public holidays. *Reckoned from time of dispatch to time of arrival to client. This is an estimate and not guaranteed.
Courier Service
We use 4 courier companies for delivery. With sophisticated track and trace equipment, you can pinpoint exactly where your parcel is, from the moment it is dispatched by us, until it’s safely handed over to you the recipient. Your parcel is well packaged and wrapped before delivery. All parcels can be insured for the journey to your door.

We charge a weight based shipping fee.

  1. Free Shipping for all orders R2,500 or more!
  2. Standard Shipping 0 to 5kg – R99.00
  3. Shipping Shipping 5.1 to 10kg – R118.00
  4. Standard Shipping 10.1 to 15kg – R140.00
  5. Standard Shipping 15.1 to 20kg – R180.00
  6. Standard Shipping 20.1 to 40kg – R220.00
  7. Standard Shipping 40.1 to 80kg – R250.00
  8. Standard Shipping 80.1kg 100 – R400.00
  9. Standard Shipping 100.1kg to 130kg – R517.50
  10. Standard Shipping 130.1kg to 160kg – R667.00
  11. Standard Shipping 160.1kg to 190kg – R747.50
  12. Standard Shipping 190.1kg to 230kg – R874.00

Shipping rates are provided at checkout.

Our delivery service only runs from Monday to Friday. Saturday morning deliveries can be done by special arrangement only and at an additional charge. Please contact us to arrange. We reserve the right to re-quote the delivery fee should this become too expensive.

At AMT Composites we want you to be 100% happy with any purchase you make from us.

Changing your Mind / Right to Cancel

If you change your mind for any reason, goods can be returned to us for a full refund if notified to us within 7 days of delivery; you have a further 7 days to dispatch the goods for their return to us. Goods returned after 7 days will incur a 15% restocking fee of the items being returned.

NO GOODS manufactured or sold by Advanced Materials Technology Pty Ltd will be accepted for a credit if returned after one (1) calendar month of original invoice date.

To return goods that are not faulty (i.e. because you changed your mind) they must be unused and, in the condition, they were delivered to you in. This does mean that, unless found faulty, we are unable to accept returns for:

  • Opened containers of resin, hardener, silicone or chemical release agent, unless found to be faulty or defective.
  • Unrolled and improperly re-rolled fabrics, unless found to be faulty or defective.
  • Any product that you have subsequently cut, shaped, broken or modified, unless found to be faulty or defective.

Refund of Delivery Charges (Cancelled Orders)

If you return an order in its entirety, then your outbound delivery charges will also be refunded (for orders within the South Africa’s Local Area’s.

If you return only part of an order, then the outbound delivery charge refund will be calculated based on the total postage cost of the original order (using standard service) minus the cost to send the items you are keeping (using standard service). Due to the way that shipping costs are incremented, this will often result in no delivery charge refund being due.

Faulty or Defective Goods

Any goods found to be faulty or defective and notified to us within 7 days of delivery can be returned to us for a full refund.

Refund of Delivery Charges (Faulty/Defective Goods)

If you are returning faulty or defective goods, then your outbound and return delivery costs will be refunded in full (for orders from within South Africa’s Local Area’s.)

In the event that you are returning faulty or defective goods which were ordered as part of a larger order then the outbound delivery charge refund will be calculated based on the total postage cost of the original order (using standard service) minus the cost to send the items you are keeping (using standard service).

Please check the box to acknowledge our return’s policy, by doing so you agree to our Return’s Policy of AMT Composites stated above.


Get true expertise & assistance. Speak with one of our professional consultants in Johannesburg, Cape Town or Durban. Call 011 392 4232.

Tarbender™ Instructions

Product and Work Area Preparation

Tarbender™ containers should be stored and used at room temperature (73° F/23° C). Wear long sleeve garments, disposable gloves and safety glasses. Mixing containers should have straight sides and a flat bottom. Mixing sticks should be flat and stiff with defined edges for scraping the sides and bottom of your mixing container. Have all materials and tools on site before you begin.
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.


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


Mix using a flat edge mixing 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.


Stir or shake Part A and Part B thoroughly before dispensing.


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

Pouring Tarbender™ To Coat Flat Surfaces

Usage Overview

Most bar tops, tabletops and other flat surfaces 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 surface with the yield of mixed Tarbender™.

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
Gallon Unit (11.2 lbs. /5.08 kg) 32 ft² / 2.97 m² 16 ft² / 1.48 m² 8 ft² / 0.74 m²
5 Gallon Unit (56.5 lbs. / 25.62 kg) 160 ft² / 15 m² 80 ft² / 7.5 m² 40 ft² / 3.75 m²

Surface Preparation

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.

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 4 hours.

Dissipating Bubbles from Surface Using a Propane Torch

After Tarbender™ is poured, pass a propane torch 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™.

Brushing Tarbender™ Onto Surfaces

Apply In Thin Layers

Two thin layers of Tarbender™ are recommended for a smooth, uniform coating. Using chip brush, apply 1st thin layer to surface and let epoxy partially cure until “tacky hard”. Apply 2nd thin layer. Allow both layers to fully cure.

Adding Color

You can add UVO™ or IGNITE™ colorants or Cast Magic™ Effects Fillers. Pre-mix color or filler 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

If you 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.


Unpainted Tarbender™ will yellow after being exposed to outdoor UV light or excessive heat above 115°F/46°C for extended periods. Tarbender™ can be displayed outdoors after priming and painting with an aliphatic urethane clear coat.

How to make an Epoxy Bartop using Tarbender™ Resin

How To make an Epoxy Tabletop using Tarbender™ Resin

Weight 7.05 kg
Dimensions 30 × 30 × 30 cm

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Tarbender Resin – How much do I need?

Tarbender Resin Calculator

Tarbender Resin Calculator

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Step 1
To calculate the volume of resin required, measure the length, width and depth, and convert to liters.

A table 2000mm (L) x 900mm (W) x 50mm (D) deep converted to centimeters is:
200cm (L) x 90cm (W) x 5cm (D) = 90000cm³

Divide the answer by 1000 to get liters.
90000/1000 = 90L

Step 2
Now you need to convert the litres in Step 1 to kilograms as Epoxy Resins must be accurately weighed on a scale, not measured out by volume.

To do this, you multiply the total litres by the Specific Gravity of the resin you are using.
For this build we are using Tarbender with a Specific Gravity of 1.09

Multiply the 90L x 1.09 = 98.1Kg
(Litres x Specific Gravity)

This is the Total Weight in Kilograms of Tarbender Resin & Hardener you will require.

Step 3
Now you need to work out what the separate Resin & Hardener portions are.

To do this you need the know the Mix Ratio of the Epoxy Resin System you are using.

Resin portion required
The Mix Ratio for Tarbender is:

Divide the 98.1kg by 1.41
(Weight/Mix Ratio)
This equals 69.6kg and is the Resin portion required.
You will need 69.6kg of Resin.

Hardener portion required
To calculate the amount of Hardener required, multiply the 69.6kg by 41%.
(69.6 X 41% = 28.5.4kg)
You will need 28.5Kg Hardener.

Check your calculations by adding the 69.6kg Resin + 28.5kg Hardener.
This should equal 98.1kg (The total weight of Resin & Hardener combined)

To summaries: We need a Total of 98.1Kg, of which 69.6kg is Resin and 28.5kg is Hardener.

The above calculations is obviously for a table without any wood.

Depending on the shape of the wood used in your river table, you will need to calculate the volume of the river between the two piece and/or any additional areas that should include Resin.

You can use the example below to help you calculate the amount of resin needed.

In the real world we are not building a slab of Epoxy Resin 2000mm (L) x 900mm (W) x 50mm (D) deep. Rather, we are using Epoxy Resin with Wood to create an Epoxy Resin River Table.

Thus, the amount of Epoxy Resin needed will be different. How do we go about calculating exactly what we will need?

For tables with wood and live edges it is sometimes difficult to calculate the exact amount of resin required because of the irregular shape of the wood.

The length and depth are easy, but the width varies, so you need to work out the average width.

To do this, see the example illustrated below:

Formula to calculate the required amount of Epoxy Resin needed
Length x Average Width x Depth

Average width is the sum of the measurement divided by number of stations – 8 stations in the diagram below.

Station 1 – 10.5cm
Station 2 – 13.6cm
Station 3 – 11.4cm
Station 4 – 19.4cm
Station 5 – 20.2cm
Station 6 – 14.6cm
Station 7 – 11.8cm
Station 8 – 8.3cm

Total Stations 1+2+3+4=5+6+7+8 = 109.8cm

Divide this Total by the 8 stations.
109.8/8 = 16.3cm

This is your average width, and the width you will use in the calculation steps above (Steps 1, 2 & 3) to calculate the amount of resin required for your project.

Step 1
Calculate Volume

200cm (L) x 16.3cm (W or Average Width) x 5cm (D) = 16300cm³
Divide the answer by 1000 to get liters.
16300/1000 = 16.3L

Step 2
Convert to Kilogram

16.3L x 1.05 (Specific Gravity of Tarbender) = 17.8kg
17.8kg is the Total Weight of Resin & Hardener required.

Step 3
Calculate Mix Ratio of Resin

Calculate Resin portion required
17.8kg/1.41 (Weight/Mix Ration of Tarbender 100:41)
12.6kg of Resin required
Calculate Hardener portion required
12.6kg x 41% = 5.2kg
5.2kg of Hardener required

Check Calculations
Resin required + Hardener required should equal Total Weight required.
12.6kg (Resin) + 5.2kg (Hardener) = 17.1k