Automotive Industry
Integrated head rest for child car seats made of NYLAFORCE® B 50
The more stringent requirements for head supports on
child seats led to the selection of NYLAFORCE® B 50
for the development and manufacture of the integrated
headrest for the "RECARO start" child´s seat. The
forces of acceleration occurring during a side impact
crash require a material with high kinetic absorption
properties combined with the highest strength. On the
one hand the head supports may not break in case of a
crash, on the other a high level of dimensional stability (stiffness) must be guaranteed.
Qualities that in principle are contradictory but which are mastered without difficulty by
NYLAFORCE® B 50. Despite the high level of glass fibre reinforcement, processing
NYLAFORCE® B 50 presents no problems. Moreover, the material stands out thanks to its
high thermal resistance and low moisture absorption compared with standard polyamides.
Car seat shell made of NYLAFORCE® B 50 Z

Outstanding toughness coupled with a very high level of
strength and stiffness - these are the characteristic
properties of the NYLAFORCE® B 50 Z high-
performance compound produced by the feed-up
process. This material was developed especially for car
seat shells. In this application, particular requirements
are placed on the dimensional stability, fracture
behaviour and surface finish of the material, since the
parts are not subsequently painted or coated. Seat
backs are put through extreme loading tests. In
addition to frontal and rear crash tests, they are also
required to pass the critical "protection against shifting
cargo" test. This simulates the impact of objects in the
back of the car hitting the front seats. All the forces
that are generated in a crash must be absorbed by the
material in the seat shell or be conducted into the
bodywork via the bolted connections, since the seat shells do not contain any additional
metal struts. NYLAFORCE® B 50 Z emerged as the clear winner in the material selection
process, beating all the other plastics, including long glass fibre reinforced polyamides and
semi-aromatic polymers with a high level of reinforcement. In addition, NYLAFORCE® B 50 Z
is noted for its simple processing and excellent component surface.
Central armrest on the BMW 1 series made of NYLAFORCE® B 60
The decision was taken to use NYLAFORCE® B 60 for
the production of the central armrest on the BMW 1
series. In the selection process, this material was seen
to be clearly superior to other highly reinforced
materials. Its good toughness coupled with a very high
level of strength, plus its excellent paintability, were the
decisive factors in the selection of NYLAFORCE® B 60.
Car door handles made of NYLAFORCE® B 60
Door handles for cars have to withstand a practical
test, in which a force of 2000 N is applied to the
handles. They may not break under the test. Alongside
the mechanical function, good paintability is also
required. NYLAFORCE® B 60 easily meets these
requirements. Despite being reinforced with 60% glass
fibre, the surface is totally smooth and clean. The photo
shows an untreated doorhandle in the background, the
handle in the fore is coated.
Seat adjustment for cars made of NYLAFORCE® B 60
Features
- very high strength and form stability
- very good surface quality
- high capacity to absorb kinetic energy
under dynamic stress
- high fatigue resistance to bending
- simple processing
Handle for car seats made of NYLAFORCE® B 60
Features
- very high strength and form stability
- very good surface quality
- high capacity to absorb kinetic energy
under dynamic stress
- high fatigue resistance to bending
- simple processing