Schaeffer Ultra Supreme Grease #238 is a waterproof, tacky, para-synthetic anti-wear aluminum complex base grease. It's solid lubricant film works to reduce friction and can withstand pressures up to 500,000 pounds per square inch. Ultra Supreme has an operating temperature ranging from -10 to 350 degrees Fahrenheit making it ideal for use in heavy-duty automotive, farming, construction, mining and industrial equipment. In addition, this NLGI Grade 2 lubricant features exceptional shear and mechanical stability, water resistance, rust and oxidation characteristics and pump ability properties. However, due to this product's exceptional cohesive and adhesive properties, Ultra Supreme Grease is not recommended for use in passenger car automotive wheel bearing applications.
NLGI #1 Red Cap (soft) – Low temperature pumpability to 10˚F
NLGI #2 Yellow Cap (“normal grease”) – Low temperature pumpability to 30˚F
NLGI #3 Clear Cap (firm)
*Hand pumpable in temperatures as low as 30° FUltra Supreme Grease SDS
Ultra Supreme Grease Technical Data Sheet