Properties of materials

Teflon (PTFE)

Silicones

Polyethylene

Resins 

Waxes

Thermal

Burning Rate
Thermal
Conductivity
  

Non-Flammable
    
6 x 10^-4

Slow
   
0.988 x 10^-3

Slow
   
6 x 10^-4

Slow
   
3.8 x 10^-4

Flammable
   
N/A

Chemical

Effects :-

Sunlight
Ultraviolet
Aging R.T.
Hot Water
Cold Water
%Water
- Absorption
- 24hr 25C

None
None
None
None
None
  
   
0.00

None
None
None
Little
Slight
  
   
0.5 to 5.0

Degrades
Degrades
None
Slight
Slight
  
   
0.00

None
Slight
None
Softens
Softens
  
   
2.0

Yellows
Degrades
Yellows
Heavy
Slight
  
   
0.9 to 10.0

Resistance to :-

Acids-Strong
Acids-Weak
Alkalis-Strong
Alkalis-Weak
Ketones
Esters
Hydrocarbons-Aromatic
Hydrocarbons-Aliphatic
Oils - Minerals
Oils - Animal
Oils - Vegetable
Alcohols

Outstanding
Outstanding
Outstanding
Outstanding
Outstanding
  
Outstanding
Outstanding
Outstanding
Outstanding
Outstanding
Outstanding

Very Good
Very Good
Very Good
Very Good
Very Good
  
Soluble 
Very Good
Very Good
Very Good
Very Good
Very Good

Very Good
Very Good
Very Good
Very Good
Very Good
  
Soluble 
Very Good
Very Good
Very Good
Very Good
Very Good

Poor
Good
Poor
Good
Soluble
  
Soluble 
Very Good
Very Good
Very Good
Very Good
Soluble

Good 
Fair
Fair
Poor
Poor
  
Poor 
Poor
Poor to Fair
Poor to Fair
Poor
Fair

Rating :-

Best

Second

Third

Fourth 

Worst