Kodak Tri-X 400 135-36

KODAK PROFESSIONAL TRI-X 400 35mm black and white negative film is a high-speed panchromatic film which is a good choice for photographing dimly lighted subjects or fast action, for photographing subjects that require good depth of field and fast shutter speeds, and for extending the distance range for flash pictures. TRI-X 400 Film (400TX) is available in 135 and 120 sizes. You can retouch the 120-size film on the emulsion side. TRI-X 400 Film is recommended for push-processing applications.

Specs

This and more information can be found in the technical datasheet which is available here