×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!
  • Students Click Here

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

Jobs

HOFR cable

HOFR cable

HOFR cable

(OP)
Good day!

What is the characteristic of HOFR ( Heat & Oil resistant, Flame retardant) sheath cable ?

For my understanding, PVC sheath is also heat & oil resistant, flame retardant.
What makes PVC different with HOFR sheath ?
What kind of material use for HOFR sheath ?
What is international standard for HOFR sheath cable ?

Thanks for your response.

RE: HOFR cable

HOFR is usually a highly flexible and mechanically tough synthetic rubber sheath, akin in appearance to that found on welding cable.
  

----------------------------------
  
If we learn from our mistakes I'm getting a great education!
 

RE: HOFR cable

I agree with ScottyUK.
PVC is not a homogeneous material. There are many-thousands-of blended material receipt including different type of resin, filling [usually chalk], lubricants and stabilizers and each receipt is destined to withstand a certain series of tests according to a certain standard requirements. Of course, in this way one could
produce a PVC type fire retardant[even fire resistant or self extinguishing],oil resistant or heat resistant . Also one can produce a PVC flexible insulation or sheath.Some cable industries can irradiate PVC and produce a kind of rubber [elastomer].
All these are produced according to different standards and for different purpose.
For welding-for instance-the BS stated a lot of tests that PVC is not able to withstand.
So, for HOFR cables other materials can stand against these tests as Ethylene Propylene Rubber [EPR] or Chlorosulfonated Polyethilene [Hypalon].
Up to now no PVC blend can do it.
 

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members!


Resources