Aluminum Long Groove Roller Sleeves Options:4" Roller Sleeve or as a separation layer

or as a separation layer between layers of reinforcement within your composite

PIR foam sheets are often used as a core material in sandwich structures

In a satin weave

It’s ideal as a semi-structural or non-structural core material where weight savings and moisture resistance are the priority

Here are some more details about Isophthalic Polyester resin:

Aluminum Long Groove Roller Sleeves Options:4" Roller Sleeve or as a separation layerThese sleeves slide conveniently onto our Quick Change Roller Cages. Wider roller heads feature long, thin, parallel fins with deep grooves that run along their entire width. They are used to evenly saturate fabric and eliminate air within larger composite parts. Often preferred for use with unidirectional fabrics. Aluminum construction makes them relatively lightweight and easy to clean. Take your time when using these sleeves"paddle wheel"