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Despite the advantages of resin printing, especially in terms of resolution and surface finish, its implementation in the industrial sector has always lagged behind other technologies such as FDM or SLS. This is due to the poor mechanical properties originally presented by the available acrylate-based resins.
However, in recent years this has been changing with the appearance of new engineering resins developed to provide parts with excellent mechanical and thermal properties. Today we can find resins optimised to cover some of the most demanding applications in the industrial sector, such as new flexible resins, resins with high wear resistance or resins with high impact resistance.
In order to cover the most demanding needs of the industrial sector, the prestigious chemical multinational BASF has developed a line of light-curable resins known as Ultracur3D, compatible with the main 3D resin printing technologies: SLA, DLP and LED-LCD that use wavelengths of 385 nm or 405 nm.
Unlike most 3D printing resins that are composed of acrylate oligomers, BASF's Ultracur3D resins are based on urethane-acrylates, which means they are more flexible and less fragile.
Within the Ultracur3D range there are four types of resin:
Ultracur3D resins FL60 and FL300 belong to BASF's range of flexible resins. These are resins with exceptional flexibility, which is unusual for 3D printing resins, as well as high wear resistance. While FL60 resin has a breaking strength of 84%, FL300 resin has a breaking strength of up to 306%.
One of the main advantages of FL60 resin is its low viscosity of only 450 mPas at room temperature. This allows the use of lower peel heights, reducing printing time, as well as minimizing the possibility of bubbles appearing that can cause defects in the parts.
Another distinctive feature of BASF's flexible resins is their low hardness. While Ultracur3D FL60 has a hardness of 73 Shore A, the value for FL300 is reduced to only 37 Shore A.
These are perfect resins for the production of functional prototypes of flexible components, shoe applications and sports or upholstery elements
Like all the resins in BASF's Ultracur3D range, the flexible resins offer impeccable print quality as well as an outstanding surface finish. This, together with their excellent price/performance ratio and balanced mechanical properties, makes them ideal not only for the production of prototypes but also for functional components and the final product.
Ultracur3D FL60 and Ultracur3D FL300 are available in translucent colour and in 1 kg format. They are also available on request in 5 kg and 10 kg formats.
BASF's Ultracur3D flexible resins are some of the most advanced technical resins available for LED-LCD technology.
|Elongation at break (%)||84|
|Tensile strength (MPa)||4|
|Abrasion resistance||Abrasion resistance|
|Vibration resistance||Vibration resistance|