
Urethane is a group of substances with similar chemical compositions containing nitrogen, hydrogen, and oxygen. The three primary substances in this group are ethyl carbamate, carbamate, and polyurethane. Ethyl carbamate typically appears as white crystals or powder and is often used in pharmaceuticals or pesticides. Carbamate is also used in pesticides, but polyurethane is a type of plastic used to produce many different items. It has higher impact resistance and resilience than plastics and excellent retention of properties at very low temperatures and at temperatures up to 220°F (104°C). The Durometer “A” scale is used for the softer urethanes, while the Durometer “D” scale is used for the harder compounds.
What You'll Learn
- Urethane is a group of substances with similar chemical compositions containing nitrogen, hydrogen, and oxygen
- Urethane is not a plastic, but polyurethane is a type of plastic used to produce many different items
- TDI-Polyester produces urethanes that are tough, abrasion-resistant, and have excellent oil and aliphatic solvent resistance
- Urethane has higher impact resistance and resilience than plastics
- Urethane is not brittle and will maintain its strength and impact resistance over a range of durometers
Urethane is a group of substances with similar chemical compositions containing nitrogen, hydrogen, and oxygen
Urethane is often used as an alternative term for polyurethane. Polyurethane is a polymer – a chemical compound or mixture of compounds formed by polymerisation and consisting of repeating structural units. Some of the repeating units are urethane groups – a chemical linkage of a specific assembly of atoms in a particular pattern. Urethane is a chemical group consisting of (R1-O-CO-NH-R2) and polyurethane is a material that incorporates many urethane groups. This means there is no difference between a urethane part and a polyurethane part – they are all made up of urethane groups.
Polyurethane is a thermoplastic elastomeric group of random block poly(ether ester)s. It combines ready processability with excellent mechanical properties that are sustained over a wide temperature range (−55 to + 150 °C), and with good resistance to many oils and chemicals. It has a higher load-bearing capacity than other elastomers, higher impact resistance and resilience than plastics, and excellent retention of properties at very low temperatures and at temperatures up to 220°F (104°C).
Durometer is a measure of a material’s hardness – a material’s resistance to permanent indentation. With plastics, the higher the durometer, the more likely a part will crack or break under impact or shock loading. On the other hand, urethane is not brittle. It has elastic properties capable of significant resistance to impact – even at higher durometers. Urethane retains its elasticity and strength. Urethane can be stretched significantly and still return to its original shape.
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Urethane is not a plastic, but polyurethane is a type of plastic used to produce many different items
Urethane is a group of substances with similar chemical compositions containing nitrogen, hydrogen, and oxygen. The three primary substances in this group are ethyl carbamate, carbamate, and polyurethane. Ethyl carbamate typically appears as white crystals or powder and is often used in pharmaceuticals or pesticides. Carbamate is also used in pesticides.
Polyurethane is an organic polymer, consisting of multiple urethane groups. It is a type of plastic used to produce many different items. Polyurethane is present in all phases of mining, agricultural equipment, and material handling, as well as the oil and gas industry. It is also the leading product of choice for roller-skate wheels, golf ball coverings, bowling balls, and scuba fins.
Urethane has higher impact resistance and resilience than plastics. It has excellent retention of properties at very low temperatures and at temperatures up to 220°F (104°C). It is not brittle and will maintain its strength and impact resistance over a range of durometers. Urethane can be stretched significantly and still return to its original shape.
The Durometer “D” scale is used for the harder urethane compounds (above 95 A Durometer), while the Durometer “A” scale is used for the softer urethanes.
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TDI-Polyester produces urethanes that are tough, abrasion-resistant, and have excellent oil and aliphatic solvent resistance
TDI-Polyester produces urethanes from 50 Durometer A to 75 Durometer D. The Durometer “A” scale is used for the softer urethanes, while the Durometer “D” scale is used for the harder compounds (above 95 A Durometer). TDI-Polyester materials cured with MOCA produce tough elastomers that have outstanding abrasion resistance and excellent oil and aliphatic solvent resistance.
Urethane is a group of substances with similar chemical compositions containing nitrogen, hydrogen, and oxygen. The three primary substances in this group are ethyl carbamate, carbamate, and polyurethane. Polyurethane is a type of plastic used to produce many different items. It has higher impact resistance and resilience than plastics and excellent retention of properties at very low temperatures and at temperatures up to 220°F (104°C).
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Urethane has higher impact resistance and resilience than plastics
Urethane is a group of substances with similar chemical compositions containing nitrogen, hydrogen, and oxygen. The three primary substances in this group are ethyl carbamate, carbamate, and polyurethane. Polyurethane is a type of plastic used to produce many different items.
Urethane parts exhibit an incredibly high resistance to impact, which means that you can rely on their consistent performance. Abrasion resistance and resilience are two other ways that polyurethane products outperform plastic products. Molded urethane parts resist abrasion and are resilient, which means that they will maintain their shape and durability in the harshest applications. Urethane also has a higher load-bearing capacity than other elastomers. It has excellent retention of properties at very low temperatures and at temperatures up to 220°F (104°C).
Urethane fills the gap between rubber and plastic. It is harder than rubber, but softer and much more pliable than plastics. This accounts for its outstanding impact resistance and all-around toughness.
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Urethane is not brittle and will maintain its strength and impact resistance over a range of durometers
Urethane is a group of substances with similar chemical compositions containing nitrogen, hydrogen, and oxygen. The three primary substances in this group are ethyl carbamate, carbamate, and polyurethane. Polyurethane is a type of plastic used to produce many different items. It is known for its durability and resistance.
Urethane has greater abrasion and tear strength than plastic. It is also highly resistant to abrasion and tearing when exposed to sliding abrasion. It can absorb the impact and distribute the strain caused by impingement abrasion without sacrificing performance or longevity. Urethane can also withstand changing weather conditions and remain flexible across a wide range of temperatures. It is also able to handle heavy items without taking a set.
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Frequently asked questions
Plastic urithane is a type of polyurethane. It is a group of substances with similar chemical compositions containing nitrogen, hydrogen, and oxygen.
Plastic urithane is used to produce many different items.
Plastic urithane is not brittle and will maintain its strength and impact resistance over a range of durometers. It has excellent retention of properties at very low temperatures and at temperatures up to 220°F (104°C).
Plastic urithane has higher impact resistance and resilience than other plastics.
The Durometer scale is used to measure the hardness of urethane compounds. The “A” scale is used for the softer urethanes, while the “D” scale is used for the harder compounds (above 95 A Durometer).