http://www.solostocks.com.mx/img/pol...l-387261z0.jpg
we have this covering every inch of our electronics, i hit it with a foot long 1 inch wrench as hard as i could and it held. btw, our entire electronics board is made of this, and a 27 by 27 by 5 box of this weighs .8 LBS. if you have exposed electronics i would highly recommend this.