3M Scotch-Weld Plastic and Rubber Instant Adhesive PR Gel Clear, formerly known as PR54, is a one component, fast curing, cyanoacrylate adhesive that is used for gap filling and bonding porous substrates. It offers high viscosity and non-slumping properties. 20 g Tube.
| Typical Use: | Its gel formulation is suitable for bonding poorly mating components and for porous substrates and can be used on vertical surfaces as it will not drip or slump. | 
| Brand: | Scotch-Weld | 
| Chemical Composition: | Ethyl hybrid | 
| Color: | Clear | 
| Components: | 1 part | 
| Cure System: | Room Temperature | 
| Cure Time: | 24h | 
| Flash Point: | 80 °C | 
| Gap Filling: | 0.02 in | 
| Service Temperature: | -53.8 to 82.2 °C | 
| Shear Strength: | 100 to 2,400 depending on substrate | 
| Specific Gravity: | 1.1 | 
| Viscosity: | 100,000 to 150,000 |