GOST ISO 8442-5-2013 Materials and articles in contact with foodstuffs Cutlery and table hollow-ware Part 5 Cutlery Sharpness and edge retention test《与食物接触的材料和器具 餐具和凹形餐具 第5部分 刀叉的锋利.pdf

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2、ticles in contact with foodstuffs Cutlery and table hollow-ware Part 5:Specification for sharpness andedge retention test of cutlery ( . . 5. - ). TC 186 Cutlery and table anddecorative metal hollowware. (en). , - , , , . (IDT)6 II ISO 8442-52013 -, - . () . , - - , 2014 -, III ISO 8442-520131 .12 1

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4、ormance, ICP): , - .2.4 (cutting edge retention, ER): .2.5 (total card cut, TCC): ( ) .2.6 (cutting cycle): .1 ISO 8442-52013 201501013 3.1 7, 3.23.4. ,.3.2 3.3 - ( ,)1. , ( 2).3.3 , - . 1. 1 , , , / (F)A 50405060B 023.4 (ICP) (CER) , 2.2 ISO 8442-52013 1 ( ); B 2 2 ICP, CER (TCC), A 50 150B 50 1500

5、4 , . , - ICP CER 8 .5 , , . . . - , (5 c177 0,5) % . 35. - 3. 3 , %SiO299Fe 0,013Al2O30,22MgO 4. 4 , ( ), %. 50 0,2. 30 4,7. 20 15. 16 2. 12 11. 10 10. 8 7. 6 9. 4 12. 2 293 ISO 8442-52013 10 ( , - ) 50 , (130 c177 2,5) , 3. 5. 5 , , /2 (), 0,31 c177 0,02 200 c177 10 10,0 c177 0,16 3 - 6.16.6.6.1 1

6、0 ( 50 ). , , , 50 . (130 c177 2,5) - ( 4).4 ISO 8442-52013 3 6.2 ,-, 5002c43( ).6.3 , , , . , , . 50 - - . .6.4 , . - . 50,- (3 c177 0,2) /. 20, .6.5 , - . , 50 /, 50 / 90 % . (45 c177 0,5) /. (45 c177 0,5) / .5 ISO 8442-52013 25 ; c18720;ICF ( ) (130 c177 2,5) 4 6.6 , 0,1 (. . 1/3 ).7 (50 = 40 + 1

7、0 ), - (c1771 40 ), -. ( ) 0,5 . , 50 . 24 , - 3 . 40 , . . . , 3 . , . . . , , -, 6. 6 (x) , y(x) z(x)1 34,8 34,82 26,5 61,33 23,6 84,94 21,1 106,05 18,2 124,26 17,7 141,97 16,2 158,18 14,6 172,79 13,9 186,610 11,1 197,7fy(f)z(f) z(x)=z(x1)+ y(x), (1) f ; 60 , 200 ;z(f) , .6 ISO 8442-520138 , 5: : ( : 60, 200); : (). ICP ( ) 3 .ICP = z(3). (2) -