Cooperating organizations
Foreword
Specification
1. Scope
2. Classification
3. General requirements
4. Solubility
5. Softening point
6. Penetration
7. Viscosity of Class I compound
8. Pouring point of compounds of Classes II to VI
9. Electric strength (proof) test
10. Flash point (open)
11. Mineral matter (ash)
12. Acidity: neutralization value
13. Freedom from injurious sulphur
14. Adhesive properties
15. Contraction and depth of pipe
16. Segregation test for Class VI compound
Appendices
A. Solubility of Class VI compound
B. Pouring point of compounds of Classes II to VI
C. Electric strength (proof) test
D. Mineral matter (carbonated ash) for Class VI
compound
E. Injurious sulphur
F. Adhesive properties
G. Contraction and depth of pipe
H. Segregation test for Class VI compound
Tables
1. Classification
2. Tolerance on softening point
3. Penetration at 25 deg C
4. Tolerance on penetration
5. Electric strength (proof) test requirements
6. Mineral matter
7. Contraction
8. Mould temperatures
Figures
1. Folded filter paper
2. Apparatus for determination of pouring point
arranged for electrical heating
3. Valve, holder and stirrer
4. Container for compound and jet
5. Outer vessel for electrical heating
6. Outer vessel for gas heating
7. Apparatus for electric strength (proof) test
8. Apparatus for determination of adhesive properties
9. Glass tube for contraction and depth of pipe