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 Self-Adhesive Flange disc it is made in black NBR rubber,thickless is 1.5mm

when flange and other  components  need blasting and painting,it will protect the interior of the components 

can not spray by blasting and painting.

It also used in during Indoor or Outdoor Storage

Let air ,water and other liquild  being separated from flange or ther components,so flange disc inside

can not corrosion

Faster & Easier Installation and Removal than tape

No left any Adhesive Behind in flange face

No Trimming Required 

Can be protect flange surface from mechanical damage during transportation and indoor or outdoor storage

Let air ,water and other liquild  being separated from flange or ther components prevent flange corrosion

size :DN 15 TO DN 1200