Urethane vs. Plastic. We often hear the question âIs urethane plastic?â and the answer is no. Urethane has many benefits that plastic does not! With plastics, the higher the durometer, the more likely a part is to crack and break under impact and shock loading. Not so with urethane. Urethane is not brittle like plastic. Itâs a true elastomer capable of tremendous impact resistance even at very high durometers.
Third Grade Math Vocabulary 1. Compatible numbers-numbers that are easy to work with mentally 22 + 73 = 25 + 70 The numbers 25 and 70 are compatible numbers for estimating the sum of 22 and 73. 2. Estimate-a number close to an exact amount Three-hundred is an estimate of 276.
The reason for rounding these numbers is to make them easy to work with 29 and 6.5 are not friendly with each other. So, try to find a pair of compatible numbers one of which is close to 29 and the other is near 6.5. Here, 28,7 is the ideal pair of compatible numbers with 28 close to 29 and 6.5 close to 7.