Radiation effects on materials

++++
Excellent
+++
Good
++
Satisfactory
+
Weak
-
Unsatisfactory

Material


Rubbers and Elastomers
Stability
Maximum dose
Polyurethane rubber
++++
100-200
Natural rubber
+++
100
SBR (Styrene Butadiene Rubber)
+++

Nitrile rubber
+++
200
NBR (Nitrile Butadiene Rubber)
++

Polybutadiene
+++

Acrinolitrile butadiene copolymer
+++

Silicone rubber
++/+++
50 to 100
Neoprene rubber (polychloroprene)
++/+++

Isobuthylene-isoprene copolymer
++

Polyisoprene
+++

EPR (Ethylene Propylene Rubber)
+++

Vinylidene fluoride / hexafluoro propylene rubber
++

Trifluoro chloro ethylene
+++

Butadiene-vinylpiridine copolymer
+++

Chloroprene rubber
+++

Chlorosulfonated polyethylene
+++

Polysulphide rubber
+++

EVA rubber (Ethyl Vinyl Acetate)
+++

Ethyl acrylate rubber
++

TPO (Olefinic Thermoplastic Elastomer 'Santoprene'  nbsp;
++

Polyester TPE (thermoplastic elastomer)
+++

Styrenic TPE (thermoplastic elastomer)
+++

Urethane TPE (thermoplastic elastomer)
+++

Butyl rubber
-/+
20-50
Chloro butyl rubber -Bromo
-

butyl rubber
++




Thermoplastics


Polysulfone
++++
>1000
PES (polyestersulfone)
+++

PS (polystyrene)
++++
>1000
SAN (styrene acrylonitrile
+++
1000
Poly-alpha-methyl styrene
+++

ABS (acrylonitrile butadiene styrene)
+++
1000
PS/polybutadiene blend
++++