|  | 
                                  
                    | Engineering Materials - Lightspan | Optical Gels | LS3-3354 | Platinum | Trans | High purity, optically clear, soft silicone gel. |  | 
                                  
                    | Engineering Materials - Lightspan | Optical Adhesive | LS1-6946 | Platinum Addition | Clear | Improved adhesion Two-part, optically clear silicone. R.I. 1.46 |  | 
                                  
                    | Engineering Materials - General Purpose | Primer | SP-124 |  | Trans | One-component primer in VM&P Naphtha use with condensation cured systems Air-drying |  | 
                                  
                    | Engineering Materials - Lightspan | Optical Primers | LS-3200-10 |  | Clear | Optical grade adhesion promoter,  non-flammable non-toxic optical grade solvent |  | 
                                  
                    | Engineering Materials - Lightspan | Optical Primers | LS1-3200 | Hydrolysis | Trans | Specially formulated, optical primer for optical platinum-cured systems |  | 
                                  
                    | Engineering Materials - Lightspan | Optical Primers | LS2-3200 | Hydrolysis | Trans | Specially formulated, optical primer for optical platinum-cured systems |  | 
                                  
                    | Engineering Materials - Lightspan | Optical Primers | LS3-3200 | Hydrolysis | Trans | Specially formulated, optical primer for optical platinum-cured systems |  | 
                                  
                    | Engineering Materials - Lightspan | Transparent Thixotropic Gels | LS-1246-10 |  | Clear | A thixotropic, one-part, ultra-clear optical gel. Flows under pressure. R.I. 1.46 |  | 
                                  
                    | Engineering Materials - Space | SCV Ultra Low Outgassing | SCV-2590 |  | Trans | Two-part, low viscosity, clear silicone system |  | 
                                  
                    | Engineering Materials - Space | SCV Ultra Low Outgassing | SCV1-2590 |  | Trans | Two-part, optically clear silicone system. Low viscosity |  |