| 摘要 |
PROBLEM TO BE SOLVED: To provide a sheet of paper for separator for air conditioner filter, which can be made thin while keeping mechanical strength, water repellency, flame retardancy, heat resistance, and chemical resistance superior to those of a separator made of sepiolite paper, the pressure loss of which, when air passes through the air conditioner filter, is reduced to decrease the load on an air flowing blower or the like, and which is easily incinerated with a small incineration residue. SOLUTION: This sheet of paper is a sheet of paper 3 containing 10-50 wt.% cellulose fiber as solid current, 30-75 wt.% hydrate inorganic compound having >=20 wt.% crystallization water content, 2-10 wt.% amphoteric ion polymer bonding agent as solid content, 0.5-10 wt.% synthetic polymer base bonding agent of >=30 deg.C glass transition temp. as solid content, and 1-20 wt.% melamine phosphate base flame retardant as solid content and subjected to water repellent treatment. The breaking length obtained by averaging the data measured in the fiber orientation direction and the direction perpendicular to that (measured based on JIS P-8113) is >=1.0 km.
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