Sonolastic Ultra 

SONOLASTIC ULTRA is a puncture resistant, single component, gun grade, moisture curing, aliphatic polyurethane sealant that cures to a tough, durable seal exhibiting high UV resistance, superior colour retention and cut and tear resistance.

SONOLASTIC ULTRA is compliant to :
• Federal Specification TT S-00230C, Type II, Class A, when primed
• ASTM C 920-87, Type S, Grade NS, Class 25, Use NT, M, A and T, when primed.
• Corps of Engineers CRD C541-88, Type II, Class A.
• USD approved for use in meat and poultry areas