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Plastic Materials at Peridot, Inc.

Data for PERIDOT Urethane Materials

The following properties are for our four most common urethane materials. In addition, the rapid prototyping experts at PERIDOT can help you choose from nearly 30 different urethane casting materials to meet your specific application needs. From translucent to heat resistant to chemical resistant materials, we can meet nearly any requirement with a particular urethane for rapid prototyping.

Description Urethane
# 6461
Urethane
# 4270
Urethane
# 6432
Urethane
# 5030
Natural Cured Color Black Lt. Amber White Cloudy White
Tensile Strength (psi) 7,800 10,400 5,900 4,600
Elongation at Break 10.00% 6.60% 27.00% 32.00%
Tensile Modulus (psi) 224,000 N/A N/A 164,000
Compressive Strength (psi) 32,000 N/A 7,500 N/A
Flexural Strength (psi) 11,700 13,900 8,600 5,750
Flexural Modulus (psi) 246,000 405,000 234,000 164,000
Hardness (Shore D) 81 84 73 77
Izod Impact - Notched 0.7 ft-lb/in 1.5 ft-lb/in 0.6 ft-lb/in 0.36 ft-lb/in
Izod Impact - Unnotched N/A N/A N/A 1.5 ft-lb/in
Deflection Temperature @ 66psi
* with thermal post-cure
309° F* 178° F 175° F 185° F
Tg by DMA, E" 305° F* N/A 160° F N/A
Coef. of Thermal Expansion
-22° to 86° F, in/in/F
60 x 10 e-6 N/A 60 x 10 e-6 N/A
Density 73 lb/cu ft N/A 71 lb/cu ft N/A
Specific Gravity 1.13 1.13 1.08 1.08
Moisture Absorbtion (% weight) 2.30% N/A N/A N/A
Height Change Due to Moisture Absorption 0.30% N/A N/A N/A