Amsil Eco 10 – 201kg


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Amsil Silicone Eco 10 – 201kg is a 2-part RTV (room temperature vulcanizing) high performance, tin/condensation cure mould making silicone.

Amsil Eco 10 – 201kg can be poured or brushed onto a variety of surfaces to produce block, cavity or brush-on moulds.

Amsil 10 moulds can be used to cast:

  • Polyurethane
  • Polyester
  • Epoxy
  • Gypsum plaster
  • Cement
  • Wax
  • Soap
  • Low temperature melt alloys
  • And others

An accurate gram scale is required when working with Amsil Eco 10 silicones.

Amsil Eco 10 Part A - 200kg


Out of stock

Amsil Eco 10 Catalyst Part B - 1kg


Availability: 26 in stock

Safe & Secure

Safe & Secure Shipping to all South African addresses.

When Do I Get It?

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

100% Secure

We ensure secure payment with PEV on all orders

In-Store Sales

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

Please note

Our website reflects stock availability for our Johannesburg AMT Composites physical store. Please contact us to check availability for our Cape Town & Durban stores.
  • 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.

If a product is backordered and ordered with other products, your order will only ship once the backordered item is back in stock.


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

Amsil Eco 10 – 201kg Processing

Before measuring out the components, pre-mix Part A and Part B separately (this mixes any components that may separate during storage). Measure out required amounts of Part A and B into mixing container, and mix thoroughly for 3 minutes making sure to scrape the sides and bottom of the mixing container several times. Transfer mixed material into clean mixing container and stir again. Be careful not to whip and beat the material during the mixing process as this introduces unnecessary air bubbles. For best results after mixing, vacuum de-air material before casting (29 inches of mercury required) and allow for up to 5 x expansion during the vacuum process. For a longer pot life catalyst can be reduced to 1.5% . For faster demould time, catalyst can be increased to 3% (please note that this will decrease pot life). Above mentioned percentages are by weight.

For Brush-On applications and for the silicone to hold a vertical surface

Silicone Thixo (Thi-Vex II) should be added to increase viscosity. By weight 0.5% (thick), 1% (thicker), 2% maximum dosage (thickest).

For a Block & Cavity moulds (where the silicone is poured)

Silicone Thinner can be added to reduce viscosity which assists in reducing air bubbles and capturing intricate surface detail. Max dosage by weight 10%. Please note that by adding Silicone Thinner, Shore A hardness and tear strength are proportionally reduced.


For best results, pour the silicone rubber in a thin stream to the lowest part of the mould in a single spot and allow material to flow around the model and self level. It is suggested to cover the model by at least 10 mm.

Amsil Eco 10 – 201kg Curing/Post Curing

Allow the mould to cure for 24 hours at room temperature (23°C) before demoulding. Post curing the mould an additional 4-6 hours at 80 °C will eliminate any residual moisture and alcohol that is a by-product of the condensation reaction that can inhibit the cure of some urethane resins and rubbers. Allow mould to cool to room temperature before using. Do not cure rubber where temperature is less than 23°C. The silicone moulds can be cleaned with mild soap and water then rinsed and left to dry.

Amsil Eco 10 – 201kg performance & storage

The physical life of the mould depends on how you use it (materials cast, frequency etc.). Casting abrasive materials such as concrete can quickly deteriorate mold detail, while casting non-abrasive materials like wax or plaster will not affect mould detail. Before storing, the mould should be cleaned with soap & water solution and wiped fully dry. Two part (or more) moulds should be assembled. Moulds should be stored on a level surface in a cool, dry environment. Casting Plaster into the mould prior storing will extent mould library life.

Weight 1.03 kg


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