PRO-FIX 20/20 forms a tough off-white bond line that provides very high impact resistance and shear strength. The two-component adhesive is mixed 1:1 by volume and has a 20-30 minute work life and a 20 hour cure at room temperature. This product is offers outstanding performance and versatility in two convenient sizes. Pro-Fix 20/20 gives aerospace quality bonds at an affordable price. Two 4 ounces bottles = 8 ounce kit.