001 Front Cover

Manufacturing, Engineering and $ales Since lg38 Phone: 617-527-4385 Fax: 617-964-3746 E-Mail: sales@asrichards.com i1.,1.:..';;,..r.1,'.,,.,.,,.:

ThefmOCOUple HeadS -

Bl,g,El

tlVhite Polypropylene, Black Polypropylene, & Grey Delrin

Plastic Thermocouple Head l5aterial Clraracteristics -

/ Delrin(Grey): Delrin is a grey pigmented acetal homopolymer made form Dupont resin. lt is resistant to most acids, alkalies, sea water and has a maximum service temperature rating of 275"F or 135"C. Delrin is not FDA approved for sanitary applications.

/ ttyton (Black): Nylon provides excellent electrical insulation and chemical resistance. lt has a maximum service temperature rating of 350"F or 176.5"C. Nylon is not FDA approved for sanitary applications.

/ Rolypropylene (Black): Black Polypropylene is not FDA approved for sanitary applications. lt has excellent resistant to organic solvents, degreasing agents, acids, alkalies and most chemicals. Polypropylene has poor resistance to aliphatic and chlorinated sol vents. Polypropylene has a maximum service temperature rating of 198'F or 92.2"C and will start to distort its shape after 22O"F or 104.4"C. { eorypropylene (White): White Polypropylene is FDA approved for sanitary applications. lt has excellent resistant to organic solvents, degreasing agents, acids, alkalies and most chemicals. Polypropylene has poor resistance to aliphatic and chlorinated sol vents. Polypropylene has a maximum service temperature rating of 198"F or 92.2"C and will start to distort its shape after 22O"F or 104.4"C.

37

Page 1

Visit our Web Site At UMW.AiRICHARDS.COM @

[E@