JIS R 3223:2017规定了矩形或方形钢化耐火玻璃，用于建筑物的消防设备。由密封中空玻璃、夹层玻璃和夹层密封中空玻璃组成的钢化耐火玻璃也在本标准的范围内。

JIS R 3223:2017 specifies the tempered fire resistance glass which is rectangular or square in shape and used for fire protection equipment in buildings. The tempered fire resistance glass constituting sealed insulating glass, laminated glass and laminated sealed insulating glass is also within the scope of this Standard.