Sakamakon gwajin ƙarfin haɗin gwiwa na Tape

Ruifbier Labortary yana yin wasu gwaje-gwaje game da ƙarfin haɗin gwiwa na takarda tare da fili bisa ga hanyar ASTM strand.

Mun gano cewa mannewa da haɗin kai na raƙuman takarda tare da goge goge sun fi na al'ada kyau.