Papi 135 Isocyanate Dow Chemical PU - Isocyanates >> MDI, diphenylmethane diisocyanate >> Polymeric MDI ADHESIVE SEALANT PAPI* 135 polymeric MDI is a polymethylene polyphenylisocyanate that contains MDI. This product has a high reactivity, due to a high diphenylmethane diisocyanate content. It is ideally suited to a wide variety of applications where demolding and processing times must be kept at a minimum, such as appliance foams, spray insulation, and continuous laminates. NOTE: To maintain product quality and easy handling, this product must be stored between 75° to 105°F (24° to 41°C). Shipping and storage temperatures vary with conditions; see Storage section. Elastomers, adhesives and sealants Polymethylene polyphenylisocyanate that contains MDI. Possesses a high reactivity. Suits to a wide variety of applications where demolding and processing times must be kept at a minimum, such as appliance foams, spray insulation, and continuous laminates.