... photo albums, musical instrument, rigid boxes, ring binders and lever arch files. K836 Book Binding Glue appearance: amber in gel formuses: ... hardcover casemaking,hardcover book,hardcover PU,cloth booking,etc.product design for EMMIECI MC94 ... .0viscosity: 550+/-50 cps undiluted @140°F(60°c),book field model rvf,spindle#2@20rpmshelf life: approximately 1year.must ...