Plastic gears cannot use metal gear rating formulas (AGMA 2001, 2101). The plastic standard de-rates based on:
The AGMA 2015-1-A01 document is likely available for purchase or download from the official AGMA website ( www.agma.org ) or through other technical standards databases. You may need to create an account or contact AGMA directly to obtain a copy of the PDF. agma 20151a01 pdf