Teroson MS 939 White – 290ml

R341.55 incl VAT

All prices shown include VAT

TEROSON MS 939 is a 1-part, low modulus, flexible, odorless modified silane polymer adhesive used for elastic sealing and cures to an elastomeric thermoset product.

Teroson MS 939 can be used for the following applications:

  • elastic bonding of metals and plastics, e.g. side panelling and bonding of the roof skin in the vehicle and caravan manufacture.
  • elastic, interior and/or exterior seam and joint sealing in the following areas; vehicle body, caravan, railway carriage, container and general metal construction; electrical, plastics, air- conditioning and ventilation industries

Availability: 8 in stock

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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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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.

Teroson MS 939

  • Teroson MS 939 is a gun-grade, one-component adhesive/sealant based on silane modified polymers, which cures by reaction with moisture to an elastic product.
  • The skin formation and curing times are dependent on humidity and temperature, and the curing time also depends on joint depth. By increasing the temperature and moisture these times can be reduced; low temperature as well as low moisture retard the process
  • Teroson MS 939 is particularly sag-resistant leading to a high position tack after matching of the parts to be bonded.
  • Teroson MS 939 is free of solvents, isocyanates, silicones and PVC.
  • It demonstrates good adhesion to many substrates and is compatible with suitable paint systems
  • The sealant also demonstrates good UV resistance and can therefore be used for interior and exterior applications TEROSON MS 939 demonstrates the strength necessary for elastic bonding.
  • Teroson MS 939 allows accelerated curing as two-component material.
Agency Approvals / Specifications DIN EN ISO 868, DIN 53504
Color White
Cure Rate 3.0 hr.
Elongation, at break 250.0 %
FEA (Finite Element Analysis) Finite Strain
Full Cure Time 24.0 hr.
Key Characteristics Thixotropic
Physical Form Paste
Tensile Strength, ISO 37 3.0 MPa

Prior to use

Prior to use it is necessary to read the Material Safety Data Sheet for information about precautionary measures and safety recommendations. Also, for chemical products exempt from compulsory labeling, the relevant precautions should always be observed.


The substrates must be clean, dry, oil- and grease free. Depending on the surface it can be necessary to roughen the surface or to use a primer/adhesion promoter to provide best adhesion.
When manufacturing plastics, external release agents are often used; these agents must be accurately removed prior to starting bonding or sealing. Due to the different compositions of paints,
especially powder paints and the large number of different substrates, application trials before use are necessary.

Especially for plastics and coatings – powder coatings – TEROSON SB 450 has to be tested.

When bonding and sealing PMMA, e.g. Plexiglas®, and polycarbonate, e.g. Makrolon® or Lexan®, under tension, stress corrosion cracking may occur. Application trials before use are necessary. There is no adhesion to polyethylene, polypropylene and PTFE. Substrates not mentioned above should be subject to trials


Application from 290 ml cartridges is made with the TEROSON Hand or Air Pressure Pistols, and from foil cartridges (310 and 570 ml) with the corresponding FK-Hand or FK-Air Pressure Pistols. In
the case of compressed air application a pressure of 2 to 5 bar is required. Low material temperatures of the sealant will lead to an increase of viscosity, resulting in a lower extrusion rate. This can be avoided by bringing the sealant up to room temperature prior to application

TEROSON MS 939 can also be applied from hobbocks or drums with high pressure pumps with follower plates.


For cleaning application equipment contaminated with uncured TEROSON MS 939 we recommend the use of cleaners + diluents TEROSON VR 30 or TEROSON VR 10.


Frost-Sensitive: No
Recommended storage temperature °C: 10 to 25
Shelf-life (in unopened original packaging): 12 months

Weight 0.29 kg


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