This tutorial has photoshop instructions to make or design a plastic text effect.
Nice clean sleek aqua plastix text Effect photoshop tutorial
How to make a plastic text in the photoshop.
 Take a new file of 400 pixels 400 pixels of resolution 72
dpi in the RGB mode.
 Type any text which you want to take.
 Take the gradient which you want to take I have taken this
 Fill the gradient to it as I have done.
 Goto Filter>Artistic>Plastic Wrap and apply these
 Your image will be like this.
 Goto Select>Modify>Expand.
 Fill the black colour to it in a layer.
 Pull the layer downward in the layer pallete.
 Goto filter>blur>gussian blur
 Apply the blending mode which are given below.
 The final image will be like this.