FREE Shipping on all orders over $50.00!

RDR-3121-RTM High Impact/High Temp Vacuum Infusion Epoxy

Model: 1806

Starting at: $72.80

Please Choose:

  • Description
  • Details
  • Reviews

RDR-3121 is an unfilled clear epoxy resin system with a long pot life. This resin is tough, strong, impact resistant resin with good heat distortion and chemical resistance.  It has excellent wetting quality, flow and air release for R.T.M. and injection resin system.

Use the RDR-3121 Resin with either the RDH-9106RDH-9234, RDH-9386, RDH-9386-99, or RDH-9874 Hardeners.

This product is sold by weight, 8 Lbs = aprox 1 gallon; 45 Lbs = aprox 5 gallons.




  RDH-9106 RDH-9234 RDH-9386 RDH-9386-99 RDH-9874
Pot Life @ 72oF (200g mass)     35 minutes 60 minutes  
Ratio by Weight    100 pbw to 25 pbw 100 pbw to 25 pbw  100 pbw to 33 pbw   100 pbw to 33 pbw 100 pbw to 20 pbw 
Ratio by Volume            
Tensile Strength @ 25oC     12,500   12,500  
Compressive Strength           
Flexural Strength @ 25oC     40,900 40,900  
Flexural Modulus @ 25oC     1.98     1.98  
Heat Deflection     300oF 300oF  
Hardness, Shore “D” @ 72oF     80 80  
      Resin      9.7 9.7  
      Hardener     7.9 7.9  
      Mixed     9.1 9.1  
Viscosity, mixed, cps     1500   1500    
Cure Schedule          
Shelf Life Resin / Hardener     1 year 1 year  


TDS RDR-3121 / RDH-9386, RDH-9386-99 TDS

To ensure quality results and proper curing, please make sure to use the resin shortly after purchase. This resin is also available in 5-Gal Pails, Drums and Totes.

  • Model: 1806
  • Shipping Weight: 9lbs
  • 6 Units in Stock
  • Manufactured by: Premium Resin Tech

Be the first to write a review.  Write a Review.