Glossy/plastic shaders - Materials and Textures - Blender Artists Community
I created a realistic PBR procedural plastic shader, easily controllable with node group inputs. Available for free on my Gumroad, link in comments. : r/blender
10 Free Plastic Textures - BlenderNation
materials - How to create clear plastic? (Cycles) - Blender Stack Exchange
Speckled Plastics Shader Collection for KitOps - Blender Market
Rendering a transparent plastic box in Blender Cycles - Lighting and Rendering - Blender Artists Community
Grainy Plastic Material - Materials and Textures - Blender Artists Community
Soft Plastic Material - Materials and Textures - Blender Artists Community
Blender Material - Rough Plastic Texture with Grainy Surface - YouTube