3D printing material iglidur I3 is tested by FMVSS 302 for automotive interior materials

The use of suitable interior materials and a reasonable interior structure can effectively prevent the car interior from catching fire. The 3D printing material iglidur I3 is a key step in achieving ideal fire protection for igus. This material has extremely high wear resistance and can be made into wear parts of various shapes and passed the standard test of the combustion characteristics of FMVSS302 automotive interior materials. In the test, its calorific value is five times lower than the standard value.

According to the survey, the fire in the car interior is mainly caused by improper handling of matches and cigarettes. Therefore, materials used in automotive interiors should have lower flammability and slower flame propagation speeds. Only flame retardant and slower flame propagation speeds provide enough time to complete parking and personnel evacuation at high speeds. Iglidur I3 SLS Sintered Powder is a wear-resistant engineering plastic suitable for selective laser sintering process and can be used as a durable automotive interior material through the combustion characteristics of FMVSS302 automotive interior materials.

Iglidur I3 stands out in the international testing process

The US Federal Motor Vehicle Safety Standard FMVSS302 test procedure details the fire protection requirements of materials used in passenger compartments of motor vehicles such as cars and trucks: using Bunsen burners for horizontally aligned samples (plates) with an average thickness of 2.02 mm. Burn at a flame height of 38 mm; then, determine the speed at which the flame travels. Flame propagation speeds are required to be less than 4 inches per minute or 102 mm per minute. The average burning rate of iglidur I3 material has been tested to be only 18.8 mm/min, which is five times better than the standard requirement.

Wearable and fast delivery

In addition to excellent fire performance, this material is also very wear resistant and can be delivered quickly. The pressure generated by the SLS process allows the parts made of iglidur I3 material to have extremely high strength. In the laser sintering process, the finished parts can be used directly in the prototype and mass-produced without even reprocessing. The selective laser sintering process is suitable for producing complex shapes and high precision parts for motion applications. Igus's testing laboratory compares 3D printed plain bearings made of iglidur I3 material to bearings made of conventional 3D printed plastic materials (by laser sintering), whether in rotation, swing, or linear motion. Bearings made of iglidur I3 materials are at least three times more wear resistant than conventional materials. Moreover, 3D printing components can be used directly without the need to store spare parts and tools. This is also very suitable for printing parts that have been discontinued on the market, such as Trabant. Igus provides 3D printing services for users who want to print parts with iglidur I3 material but no 3D printer. Based on the CAD model provided by the user, igus can print and deliver the parts required by the user in a short period of time. The minimum delivery time for ordering parts is one to three days.

(This article is from igus)

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