No. The Sure-Vents are not designed for exposure to Ultra Violet Rays.
AAV = Air Admittance Valve. 
DWV is an acronym used in the plumbing industry which means Drainage, Waste and Vents.
No. You should however bevel (chamfer) the pipe end to prevent cutting or scaring of the rain collar as it is being pushed over the pipe.    
TPE, Thermoplastic Elastomer 
Yes. The Oatey High-Rise Thermoplastic All-Flash No-Caulk Flashing is designed for roof up to a 60° angle (20/12 roof). 
No. The Master Flash and Retro-Master Flash are specialty flashings designed for engineered roofs.
No. The Oatey Master Flash or Retro-Master Flash should be used in this application.
This question doesn’t have a correct answer because of many variables that could affect the life span of a flashing. Examples are extreme heat, extreme cold, and hail.
Oatey Master Flash and Retro-Master Flash are rated for continuous temperatures up to 212°F. All other Oatey flashings are rated for B venting, which are continuous temperatures up to 180°F.