Biresin CR122/CH122-3 Epoxy Laminating System – 1.3kg


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Biresin® CR122/CH122-3 Epoxy Laminating System is an epoxy resin system with optimized viscosity suitable for the production of high performance fibre reinforced composites with a thermal performance of approx. 120°C.

Application Areas

Biresin® CR122 systems are well suited to the hand lay-up process due to the optimized viscosity range. They can be used in the production of general industrial composites as well as in the production of composite tooling by hand lay-up and where temperature performance of up to 120°C is needed.

Biresin CR122 Part A - 1kg


Availability: 11 in stock

Biresin CH122-3 Part B - 0.3kg


Availability: 6 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.

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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.

Features & Advantages of Biresin CR122/CH122-3 Epoxy Laminating System

  • Excellent impregnation and good non draining properties due to optimized mixed viscosity.
  • Biresin® CR122 (A) with hardeners (B) Biresin® CH122-3 and CH122-5 are DNV GL approved, certificate no. TAK00001YB.
  • Glass transition temperatures of up to 120°C are achievable depending on curing conditions.
  • Biresin® CR122 (A) with hardeners (B) Biresin® CH122-3 and CH122-5 are approved by Luftfahrt-Bundesamt (German Aeronautics Federal Office) as resin system for GRP, CRP and ARP parts for gliders and power gliders (see Datasheet).
  • Demoulding is possible after RT curing when using the fastest curing agents (B) Biresin® CH122- 1, CH122-3 and CH122-5.
Physical Data Resin (A) Hardener (B)
Mixing Ratio, parts by – Weight 100 30
Mixing Ration, parts by – Volume 100 37
Colour Translucent colourless to brownish
Viscosity, 25°C – mPa.s ~850 ~15
Density – g/ml 1.17 0.94


  • The material and processing temperatures should be from 18 to 35°C.
  • The mixing ratio must be followed accurately to obtain best results. Deviating from the correct mix ratio will lead to lower performance.
  • The final mechanical and thermal values are dependent on the applied postcuring cycles.
  • Parts produced with Biresin® CH122-1 CH122-3 and CH122-5 hardeners (B) can be demoulded after cure at room temperature.
  • Postcuring is recommended (See Datasheet).


  • Minimum shelf life of Biresin® CR122 resin (A) is 24 month and of Biresin® CH122-3 hardener (B) is 12 month under room conditions (18 – 25°C), when stored in original unopened containers.
  • After prolonged storage at low temperature, crystallisation of resin (A) may occur. This is easily removed by warming up for a sufficient time to a minimum of 60°C.
  • Containers must be closed tightly immediately after use. The residual material needs to be used up as soon as possible.
Weight 1.3 kg


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