SY 5406-1992
β-Naphthalene sulfonate sodium formaldehyde condensate for oil well cement (English Version)

Standard No.

SY 5406-1992

Language

Chinese, Available in English version

Release Date

1992

Published By

能源部

Latest

SY 5406-1992

SY 5406-1992 history

• 1992 SY 5406-1992 β-Naphthalene sulfonate sodium formaldehyde condensate for oil well cement