Formulated to produce bonds with shear as high as 2,800 psi, Model MB297 is supplied as viscous liquid adhesive with viscosity of 2,000–2,400 cps at 20°C. Colorless adhesive, resistant to effects of extreme humidity, has refractive index of 1.48 and service operating temperature range of -65 to 185°F. Cures are moisture activated, and bonds are instantaneously formed with glass, metals, ceramics, plastics, and elastomers. Shore A hardness is 85.