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2、oducts for building equipment and industrial installations Determination of the apparentdensity of preformed pipe insulation ( , - . ) 1.52001 ( 3.6) (en). - . (IDT)6 II EN 134702011 -, - . () . , - - , 2015 -, III EN 1347020111 .12 13 14 .15 .16 17 .28 39 .310 3 () .4IV EN 134702011 , Thermal insul
3、ating products for building equipment and industrial installations.Method for determination of the apparent density of preformed pipe insulation1 .2 :EN 13467:2001 Thermal insulating products for building equipment and industrial installations Determination of the dimensions, squareness and linearit
4、y of preformed pipe insulation (, . -,)3 :3.1 (apparent overall density)c114a: , , /.3.2 (apparent core density)c114: -,- / .4 .5 5.1 0,5 %.5.2 (. 7.2).6 6.1 , , - .1 EN 134702011 20151001 , - , , . . .6.2 - . , , , . , . - .6.3 , -. , , . / . , , / . / , - , / . , - .6.4 (23 c177 2) C - (50 c177 5)
5、 % . .1 (23 c177 5) C, - .2 , . - .7 7.1 (23 c177 2) C (50 c177 5) %. (23 c177 5) C, - .7.2 EN 13467. .0,5%. / , / ( ). , .2 EN 1347020118 c114 c114,/3, c114 =mV,(1) m ( ), ;V ( ), 3. V,/3, () V = lc1124(D02 Di2),(2) l , ;D0 , ;Di , . c114(c114c114) . , . , , - (23 c177 5) C. , .9 , .10 :) ;b) :1) ,
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