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SLIP BEARINGS PTFE - Teflon sliding bearings

11-05-2018

PTFE SLIP BEARING -  SLIP BEARING MEMBRANES- POINT LOAD SLIDING BEARINGS -  for construction industry.

 

News - Polymet Industries LLC - RAK 

 

SLIP BEARING: - Now a days we hear a lot about slip bearings - slip bearings,  SLIP BEARING or  slip bearings, slip bearing membranes, they  are nothing but ptfe- Teflon sliding bearings designed, manufactured  tested  and supplied by  pretread.com under  banner POLYMET for the past 16 years

With current construction requirements of larger spans and its movements due to thermal expansion, contraction /shrinkage of Post Tension  and initial settlement at site, designers come out with requirements to have larger expansion joints within and between structures and recommend to use slip bearings . Unfortunately many suppliers and trading companies recommend to using conventional rubber in strip or pad forms in low thickness from 10 mm to 20 mm which are normally hand cut – YES HAND CUT – cut by hand from commercially available cheap quality rubber sheets.

These low quality rubber strips or pads will not be sufficient to meet horizontal movement required which are ± 25 to 100 mm or more in some cases. Also as  the horizontal load required will be over 30 % of vertical load only to initiate the movement in a stiff rubber strip where friction coefficient between rubber sheet and concrete are above 30%. On top of it, moving the rubber pad/ strip equal to its thickness laterally, requires, much higher lateral forces,  and in the absence of such load and Nil horizontal movements, over a period of time, the integral internal parts of concrete beam/ floor will start developing internal cracking which will eventually lead to damages over a period of time.

 

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Picture  below show exactly what happened in sites where these cheap quality hand cut commercial rubber sheets are used as well wrongly designed and installed ptfe- teflon bearings.

 

 

 

 

 

This phenomina has been reported in many construction sites  bearings to these site was not supplied by POLYMET 

 

To overcome this failure, and save expensive repair work POLYMET offers a tested and proven solution as composite Sliding Bearings or Slip Bearings.  For example in any similar structure  where spans are large and structural movements are over 20 to 100 mm plus  and minus with movements even much greater, effective and economical solution is to use  ptfe sliding bearing combination with l neoprene elastomeric bearing as the base. slip bearings - slip bearings,  SLIP BEARING or  slip bearings, slip bearing membranes, they  are nothing but ptfe- Teflon sliding bearings designed, manufactured  tested  and supplied by  pretread.com under  banner POLYMET for the past 16 years.

 

Few Projects where SLIP BEARINGS,  slip bearing membranes, designed,  manufactured  tested  and supplied by  pretread.com under  banner POLYMET for the past 16 years supplied by POLYMET.

 

  • Mall of Emirates.
  • Yas Island.
  • Ferrari World.
  • Sheikh Zayed Grand Mosque Centre Abu Dhabi.
  • Dubai Mall
  • Oman  Airport New extension
  • Salalah Airport
  • Etihad Tower- Abu Dhabi.
  • Meriff City centre

 

Pretread.com is your direct source – manufacturer -  for ptfe Teflon sliding bearings, Teflon bearings, ptfe, corbel supports for sliding ptfe bearing, supports for corbel, beam supports, ptfe bearing, ptfe sliding bearings, TEFLON bearings, pipe support neoprene Bridge Bearings ptfe bearing, ptfe sliding bearings, TEFLON bearings, TEFLON sliding bearings manufacturer in the Middle East, UAE. 

We are proud to be the first manufacture in  Middle East in U.A.E.to provides such manufacturing capability from 2003.

Slip bearings - slip bearings,  SLIP BEARING or  slip bearings, slip bearing membranes, they  are nothing but ptfe- Teflon sliding bearings designed, manufactured  tested  and supplied by  pretread.com under  banner POLYMET for the past 16 years

 

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CONTACT DETAILS

M/s.Polymet Industries LLC
Shed No WIZ06 
Ware House No 23-29-31
RAKEZ- Ras Al Khaimah 
United Arab Emirates 

M/s. Polymet Middle East Trading (fzc)
Hamriyah Freezone -Sharjah 
United Arab Emirates  

www.pretread.com
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