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Plastic Chain
Excellent for applications with light loads, especially those where it is desired to run a non-lubricated chain, or applications where the chain is exposed to harsh chemicals.

Links snap together, eliminating the need for special tools and making every link a functional connector link.

Sprockets

CNC Polymers also makes sprockets. Polypropylene, Delrin, and Nyloil are the most popular materials. We can provide finished bores with keyways and setscrews according to your specifications. These are high quality sprockets machined from solid billets of material; not to be confused with light duty injection molded sprockets.

Chain Dimensions
Chain Size Pitch W B Roller Dia. H
#25 1/4" 1/8" .359" .13" .25"
#35 3/8" 3/16" .545" .20" .35"
#40 1/2" 5/16" .725" .31" .46"
   
Chain Part # / Material Working Load
Size Acetal Polypropylene Nylon Acetal Polypropylene Nylon
#25 CHA025L10 CHP025L10 CHN025L10 8 lb 3 lb 7 lb
#35 CHA035L10 CHP035L10 CHN035L10 17 lb 8 lb 15 lb
#40 CHA040L10 CHP040L10 CHN040L10 22 lb 10 lb 20 lb
   
Chemical Resistance of Chain Materials
  Acetal Polypropylene Nylon
Water Absorbtion 0.25% in 24 hours 0.01% in 24 hours 0.80% in 24 hours
Weak Acids Resistant Resistant Resistant
Strong Acids Resistant to Some Attacked by Oxidizing Acids Attacked
Weak Alkalies Resistant Resistant Resistant
Strong Alkalies Attacked Resistant Resistant
Organic Solvents Resistant Resistant to Some Below 80 Degrees C Resistant
FDA/USDA Compliant Yes Yes No