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1、STD.JIS G 5701-ENGL 1979 Li733b08 05Li5305 057 W JIS UDC 621.742.42 ? JAPANESE I NDUSTRIAL STANDARD Molding Silica Sand JIS G 590 I -1974 t Translated and Published by Japanese Standards Association Printed in Japan 4 s Copyright Japanese Standards Association Provided by IHS under license with JSAL
2、icensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 19:31:08 MSTNo reproduction or networking permitted without license from IHS -,-,- Translation without guarantee standard in Japanese is to be evidence in the event of any doubt arising, the original a Copyright Japanese
3、Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 19:31:08 MSTNo reproduction or networking permitted without license from IHS -,-,- STD-JIS G 5701-ENGL 2774 4733b08 0595307 72T C la s sif i- cation Class 1 UDC
4、 621.742.42 Chemical composition Chemical composition of impurities Ca0 +MgO Si0 3 98 and over O. 5 and under 1. O and under 1. O and under JAPANESE INDUSTRIAL STANDARD Molding Silica Sand Class 3 Class 4 J I S 93 and over, up to 96 90 and over y up to 93 1.5 and under 4.5 and under 2. O and under 2
5、. O and under 6. O and under 2.5 and under G 5901-1974 (Reaffirmed: 1983) Class 6 1. Scope This Japanese Industrial Standard specifies the molding silica sand, here- inafter, referred to as the “silica sand“ of under 2 % in clay content. 70 and over y up to 85 5. O and under 15. O and under 5. O and
6、 under 2. Classification For the silica sand, natural silica sand( and artificial silica sand(2) shall be classified into 6 classes according to chemical composition and into 10 classes of number 10 to number 200 according to fineness. Notes () The natural silica sand herein means silica sand not pr
7、ocessed with size reduction treatment. (2) The artificial silica sand herein means silica sand processed with size reduction treatment. 3. Chemical Composition The chemical composition of silica sand shall be as given in Table 1. 1 Il I I Class 2 1 96 aiid over y up to 98 I 1. O and under 2. O and u
8、nder I 1.5 and under I Class 5 I 85 and over, up to 90 1) 3.0 and under 1 8.0 and under 1 3.0 and under Applicable Standards : JIS R 2212-Chemical Analysis for Fire-Brick JIS Z 2601-Method for Determining Clay Content of Foundry Sands JIS Z 2602-Method for Determining Fineness of Foundry Sands Copyr
9、ight Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 19:31:08 MSTNo reproduction or networking permitted without license from IHS -,-,- 2 G 5901-1974 Classification 4. Clay Content Gravimetric ratio
10、Gravimetric ratio at peak(4) % of three sieves % Nominal size of sieve The clay content(3) of silica sand shall be under 2 %. Number 14 Number 20 Number 28 Number 35 Number 48 Note t3) The clay in this standard means the clay content specified in JIS Z 2601 and does not indicate only true clay conte
11、nt. a collection of particles smaller than those of 20 It means in diameter. 1680( 10) 1190( 14) 840( 20) 1190( 14) 840( 20) 590( 28) 40 and over 840( 20) 590( 28) 420( 35) 590( 28) 420( 35) 297( 48) 420( 35) 297( 48) 210( 65) ?U and over 5. Fineness # Number 65 Number 100 The fineness of silica san
12、d shall be as given in Table 2. 297( 48) 210( 65) 149(100) 210( 65) 149(100) 105(150) 30 and over Table 2. Fineness Number 150 Number 200 149( 100) 105( 150) 74( 200) 105( 150) 74(200) 53( 270) I Number 10 I 2380( 8) 1680( 10) 1190( 14) I I Note ( 4 , The peak shall be as given in following Table. C
13、opyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 19:31:08 MSTNo reproduction or networking permitted without license from IHS -,-,- STD-JIS G 5901-ENGL 1974 = 4933b 0545309 7T2 H Classificati
14、on by numbers Number 10 Number 14 Number 20 3 G 5901-1974 Nominal size of sieve p 1680 1190 840 Number 65 Number 100 Number 28 Number 35 Number 48 297 2 10 149 Number 200 Number 150 74 105 Classification by numbers Numbers 10, 14, 20, 28 and 35 Size of fine particle ( p ) Permissible content (%) Ove
15、r 25, up to 105 Up to and incl. 2 6. Fine Particle Permissible Amount Numbers 48, 65 and 100 Number 150 The fine particle permissible amount of silica sand shall be as given in Table However, the sum of clay content and fine particle in numbers 10 to 65 of 3. Classes 1 and 2 , shall be 1.5 % max. .
16、Over 20, up to 53 Up to and incl. 1 Over 20, up to 53 Up to and hcl. 2 Table 3. Fine Particle Permissible Amount Number 200 - Not specified 7. Water Content Permissible Amount Dry silica sand shall be 0.5 % max. in water content permissible amount. 8. Test Methods 8.1 Chemical Analysis The method fo
17、r chemical analysis of silica sand shall be in accordance with JIS R 2212. 8.2 Clay Content Test Method The method for determining the clay content of silica sand shall be in accordance with JIS Z 2601. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Emplo
18、yees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 19:31:08 MSTNo reproduction or networking permitted without license from IHS -,-,- STD-JIS G 5901-ENGL 1774 4933b08 0545310 414 Productive place 4. G 5901-1974 o o prefecture o o machi o o county o o section 8.3 Fineness Test Method The m
19、ethod for determining fineness of silica sand shall be in accordance with JIS Z 2602. Distinction between natural and artificial ones 9. Inspection For the inspection of silica sand, the sample (in this case, a gross sample is about O. 1 % the amount of one item and 10 kg min.) is so taken as to rep
20、resent its quality, inspected according to the test method of 8. amd shall conform to the requirements specified in 3 . , 4 . , 5 . , 6 . , and 7. Natural silica sand 10. Marking Class Silica sand having passed the inspection shall be clearly marked on its package or invoice with the distinction bet
21、ween natural and artificial ones, class, classification by number, production place, factory (or mark) , and gravimetric ratio of peak for each delivery at diggings or factory. Class 2 Example Peak Factory I o o mining place 50 % Classification by number I Number 28 Copyright Japanese Standards Asso
22、ciation Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 19:31:08 MSTNo reproduction or networking permitted without license from IHS -,-,- G 5901-1974 Edition 1 Japanese Text Established by Minister of International Trade and Indu
23、stry Date of Establishment: 1954- 09- 18 Date of Revision: 1974- 05- O 1 Date of Reaffirmation: Date of Public Notice i n Official Gazette: 1983-03-18 1983- 02- O 1 Investigated by: Japanese Industrial Standards Committee Divisional Council on Iron and Steel Technical Committee on Molding Sand This
24、English translation is published by: Japanese Standards Association 1- 24, Akasaka 4, Minato-ku , Tokyo 107 Japan :C: JSA, 1986 Printed i n Tokyo by Hohbunsha Co., Ltd. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 19:31:08 MSTNo reproduction or networking permitted without license from IHS -,-,-