Intermediate Cure Urethane Specifications at Freeman Mfg. & Supply Co

Intermediate Cure Urethane Specifications

View the Freeman Polyurethane Elastomers brochure (pdf)
View the RenCast Fast Polyurethane Specifications (pdf)

	Mix Ratio (by wt.) Resin: Hardener	Mix Ratio (by vol.) Resin: Hardener	Gel Time (min.) @ 72°F	Demold Time (hours) @ 72°F	Hardness (Shore D)	Viscosity R/H or Mixed (cps)	Density (g/cc)	Volumetric Yield (cu. in. / lb.)	Shrink (in / in)	Compressive Strength (psi)	Flexural Strength (psi)	Tensile Strength (psi)	Flexural Modulus (psi)	Deflection Temp. (°F)	Izod Impact (ft.lb./in.)	Tg per DMA (°F)	Cured Color
Freeman 1070	100:92	1:1	3	15-30 min	70	80	1.05	26.6	0.004	-	-	3,000	-	-	-	-	Off-White
Freeman 1075	100:50	100:50	5	15-180 min	72	200	1.13	24.3	0.003	7,200	8,600	5,900	2.34 x 10⁵	163°	-	-	Off-White
Freeman 1080 Fast	117:100	1:1	7	1-3	80	150	1.12	24.7	0.001	8,300	9,500	6,650	2.88 x 10⁵	134°	-	-	White
Freeman 1080 Slow	117:100	1:1	20	2-4	80	150	1.12	24.7	0.001	8,300	9,500	6,650	2.88 x 10⁵	134°	-	-	White
Freeman 1085	1:1	1:1	6	1/2 - 2	69	80	1.12	24.7	0.002	4,880	5,600	3,300	1.7 x 10⁵	137°	-	-	Beige
Freeman 1090 Fast	100:90	1:1	9	1/2 - 4	80	600	1.04	26.7	0.001	-	11,000	2,500	-	-	-	-	Clear
Freeman 1090 Slow	100:90	1:1	20	16	80	600	1.04	26.7	0.001	-	11,000	2,500	-	-	-	-	Clear
RenCast 6432-1 Fast	100:50	100:50	5-6	1-2	72	50/1,100	1.09	25.4	-	7,200	8,600	5,900	234,000	163	0.6	153	Off-White
RenCast 6463 Fast	100:100	100:100	4-6	4-6	79	280/700	1.09	25.4	-	6,800	10,800	5,700	230,000	152	1.1	-	Cystal Clear
RenCast 6486 Slow	100:50	100:50	7-8	8	67	7,800/75	1.16	23.9	-	-	4,800	3,600	110,000	156	6.6	217	Amber
RenCast 6491 Fast	100:100	89:100	4-5	4-6	85	200/640	1.14	24.3	-	33,500	16,000	8,600	400,000	205	0.8	224	Amber
RenCast 6492 Fast	100:100	97:100	5-8	4	85	40/1,800	1.3	21.3	-	15,500	14,000	8,200	400,000	158	0.5	156	Off-White
RenCast 6494 Fast	50:100	47:100	5-7	4	45A	2,200 mixed	1.14	24.3	-	-	-	385	-	-	-	-	Light Amber
RenCast 6496 Fast	100:100	89:100	5-6	2-4	68	-	1.1	25.2	-	-	-	4,000	110,000	140	0.8	-	White
RenCast 6497 Fast	100:100	-	4-5	2	70A	-	1.1	25.2	-	-	-	995	-	-	-	-	Light Amber
RenCast 6498 Fast	50:100	45:100	5-6	2	85A	-	1.08	25.6	-	-	-	950	-	-	-	-	Light Amber
ASTM	-	-	D-2471	-	D-2240	D-2393	D-792	D-792	D-2566	D-695	D-790	D-638	D-790	D-648	D256	D4065

*Deflection Temperature is the temperature when a 1/2 x 1/2 x 5 bar (supported at both ends) deflects 0.010 of an inch under a 66 psi fiber stress.
**Unnotched
The maximum service temperature may be far above this value depending on the application and the stress of the plastic at high temperature