Alliance plastics is pleased to offer an environmentally-
The line includes 18 sizes of paper caps that can cover diameters from 0.350” to 3.630”. The line of tapered plugs has 21 sizes that can be used to plug any hole from 0.35” to 3.60”. For a standard NPT (National Pipe Thread), Alliance Plastics has caps and plugs designed for a perfect fit on the 1/8” to 3” sizes.
For high temperature finishing processes such as wet paint or powder coating, paper is a very economical one-time use masking solution that can handle temperatures of 400ºF/205ºC. Based on its natural properties, paper does not promote condensation when it is being used as a cap or a plug.



