Five proofs of durability
Formulating the right Polyurethane materials that can resist to extreme environmental conditions such as high and low temperatures, humidity, stain and chemical aggressions while ensuring durable high performance is a challenge.
This durable Polyurethane offers superior and long-term retention of designed performances, without modification of initial properties after being exposed in harsh environments.
The outstanding durability of Polyurethane elastomers based on Eternacoll® Polycarbonate diols or Eternathane® polycarbonate-based polyurethane prepolymers is obtained thanks to different performances, such as:
Access more information about the best-in-class performances of this durable Polyurethane, click on the pictures below:
Discover more about this durable Polyurethane!
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Excellent water resistance of durable Polyurethane elastomers
This durable Polyurethane shows an increased resistance to water / hydrolysis.
Figure 1 shows that water absorption is less important (-52%) for the new durable Polyurethane.
This leads to minor weight increment and better resistance to hydrolysis than Polyurethane based on benchmark Diols.
Figure 1: Water absorption of Diol-based PU
Therefore, this durable Polyurethane withstands extreme humid conditions and remain intact after long-term exposure to water and humidity.
Increased chemical & stain resistance of durable Polyurethane
Exposure to harsh solvents and fluids tends to damage materials over time, causing them to fade, discolor and get stained.
The new durable Polyurethane has an enhanced chemical and stain resistance.
Picture 1: Stain resistance of Diol-based PU material
High thermal stability of durable Polyurethane
Is temperature resistance a must-have for your applications?
This durable Polyurethane delivers a high thermal stability thanks to excellent heat resistance.
Picture 2 illustrates the excellent performance of durable Polyurethane after heat ageing, for an improved durability of your elastomers!
Durable PU
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PPG-based PUD
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Polyadipate of 1,6-hexanediol
based PUD
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| Picture 2: Pictures of Diol-based PU materials after heat exposition |
Improved mechanical properties of durable Polyurethane
Durable Polyurethane based on Eternacoll® Polycarbonate diols or Eternathane® Polycarbonate-based polyurethane prepolymers shows better mechanical properties compared to other Polyurethanes.
Figure 2:Tensile strength of Diol-based PU |
Figure 3: Hardness of Diol-based PU |
The improvement of mechanical properties allows you to provide a Polyurethane which is less elastic and shows a better hardness, for highly durable materials!
Increased scratch & abrasion resistance of durable Polyurethane elastomers
This durable Polyurethane formulated with Polycarbonate Diols shows increased abrasion and scratch resistance, and is therefore more durable than the ones formulated with standard Diols.
Figure 4 shows that Polyurethane based on Eternacoll® Polycarbonate Diols loses less volume when exposed to harsh conditions than Polyurethane based on traditional Diols, and has therefore a better resistance to abrasion. Results were similar with Polycarbonate-based Polyurethane Prepolymers.
Figure 4: Abrasion resistance (Volume Loss of material) of
Diol-based PU when exposed to harsh conditions