ROOM TEMPERATURE

R.T.M. SYSTEM

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-9106, RDH-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.

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

TYPICAL PHYSICAL PROPERTIES

RESIN PROPERTY	HARDENERS
	RDH-9106	RDH-9234	RDH-9386	RDH-9386-99	RDH-9874
Pot Life @ 72^oF (200g mass)	90 mins	165 mins	35 mins	60 mins	15 mins
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 @ 25^oC	11,000 psi	11,000 psi	12,500 psi	12,500 psi	12,500 psi
Compressive Strength
Flexural Strength @ 25^oC	54,000 psi	54,000 psi	40,900 psi	40,900 psi	40,900 psi
Flexural Modulus @ 25^oC	6.25 x 10 6	6.25 x 10 6	1.98	1.98	1.98
Heat Deflection	300^oF	300^oF	300^oF	300^oF	300^oF
Hardness, Shore D @ 72^oF	85	85	80	80	80
Density:
Resin	9.6	9.6	9.7	9.7	9.7
Hardener	8.35	8.35	7.9	7.9	7.9
Mixed	9.46	9.46	9.1	9.1	9.1
Viscosity, mixed, cps	1500	1500	1500	1500	1500
Cure Schedule
Shelf Life Resin / Hardener	1 year	1 year	1 year	1 year	1 year

RDR-3121 SDS

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

RDR-3121 / RDH-9234 TDS

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Epoxy Mixing Guide