PB4418 PrePrep Field Consolidant 16 oz




PB4418 is a special fossil consolidate that was designed to be used in the case of a fossil that is of good quality but encased in very hard matrix and having an interior of soft, punky,vascular bone structure, like some Tyrannosaurid bone material. PB4418 was developed to fill in and stabilize the interior of the bone.

Gently drill a 1/4” hole through the matrix into the fossil interior. Then, pour the PB4418 into the bone cavity. A secondary vent hole will assure complete filling.  PB4418 can also be applied to any open, exposed interior bone  through visible cracks or gaps to maximize penetration by the consolidant. Later, in the lab, these fossil parts can be cleaned and carefully reassembled. PB4418 is a LOW strength penetrant stabilizer  that was designed to cure slowly without any exothermic reaction so as to prevent heat cracking. Shrinkage is less than 1%.

PB4418 is  a REVERSIBLE adhesive.  It can be mechanically removed using an air  scribe or air abrasive blaster when back in the lab.

The Kit includes:  One 16 oz. bottle of PrePrep Field Consolidant PB4418, yorker, two empty 2 ounce bottles with pinhead caps and 10 microtips.

Please note that the microtips are tight fitting. It helps to slightly warm the end of the tip with a match or lighter to soften the plastic before putting on the bottle nipple.

Additional information

Weight 1.5 lbs
Dimensions 4.25 × 3 × 7 in


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