產(chǎn)品信息花崗石平板精度參照各先進(jìn)國(guó)家標(biāo)準(zhǔn),平面度公差依JB/T7975-1999巖石平板標(biāo)準(zhǔn)000級(jí)1x(1+d/1000) m00級(jí)2x(1+d/1000) m0級(jí)4x(1+d/1000) m1級(jí)8x(1+d/1000) m(d為平板對(duì)角線長(zhǎng)度。mm)規(guī)格精度等級(jí)000級(jí)平面度( m)00級(jí)平面度( m)0級(jí)平面度( m)1級(jí)平面度( m)300x200x50300x300x70400x250x70400x400x70630x400x100630x630x100800x500x1301000x630x1501000x750x1501000x1000x2001600x1000x2002000x1000x2001.51.51.522222.52.52.533.53333.53.5444.54.5566.55.55.566.578899101213111112131416161818202426