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Plastics & Elastomers
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Plastics & Elastomers
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Stanyl® HGR1

Technical Datasheet | Supplied by DSM
Stanyl® HGR1 by DSM is a polyamide 4-6 grade exhibiting improved performance, both in terms of mechanical properties, as well as its frictional and wear characteristics. Basically, part of the frictional torque arises in engine timing systems when the timing chain moves over an element that keeps it under tension. The chain tensioner is often injection molded in Stanyl® HGR1 for cutting/ reducing frictional torque in auto engine timing systems and provide OEMs with a very cost-effective tool for reducing fuel consumption. Chain tensioners produce lower frictional torque than any other material at relatively low engine speeds ranging from idle to 1800 rpm. It also performs well at vehicle cruise speeds. By substituting PA66 with Stanyl® HGR1 in the timing systems chain contact surfaces, frictional torque can be cut by 0.65 Nm (this equates to a fuel efficiency improvement of over a mile per gallon (over 0.4 km/L) over the drive cycle).
Product Type
PA (Polyamide, Nylon) > PA 4-6 (Nylon 4-6)
Product Launch Date
Apr 20, 2016
Product Status

Stanyl® HGR1 Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Linear Mold Shrinkage
1.4 %
( )
ISO 294-4
Linear Mold Shrinkage, Flow
1.4 %
( )
ISO 294-4
Humidity Absorption
3.2 %
( )
ISO 62

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