PETROCHEM R-Series (conventional) and SR-Series (synthetic) cement retarders delay cement hydration to extend slurry pumpability in high-temperature and extended placement operations.
They control the rate of set, maintaining slurry stability and rheological properties to support cement placement and zonal isolation.
Product Name: PETROCHEM - Low Temperature Retarder 200 (Powder)
Application: Low temperature retarder for cementing systems
Physical Form: Dark Brown Powder
Specific Gravity: 1.23
Temperature Range: < 95°C / < 200°F
Description: Retards cement hydration to extend thickening time and control the rate of set, maintaining slurry pumpability and supporting reliable cement placement in low temperature cementing applications.
Product Name: PETROCHEM - Medium Temperature Retarder 300 (Powder)
Application: Medium temperature retarder for cementing systems
Physical Form: Light Brown / Tan Powder
Specific Gravity: 1.35
Temperature Range: < 149°C / < 300°F
Description: Retards cement hydration to extend thickening time and control the rate of set, maintaining slurry pumpability and supporting reliable cement placement in medium temperature cementing applications.
Product Name: PETROCHEM - Medium to High Temperature Retarder 350 (Powder)
Application: Medium to high temperature retarder for cementing systems
Physical Form: Light Brown / Tan Powder
Specific Gravity: 1.41
Temperature Range: < 177°C / < 350°F
Description: Retards cement hydration to extend thickening time and control the rate of set, maintaining slurry pumpability and supporting reliable cement placement in medium to high temperature cementing applications.
Product Name: PETROCHEM - High Temperature Retarder 400 (Powder)
Application: High temperature retarder for cementing systems
Physical Form: Light Tan Powder
Specific Gravity: 1.67
Temperature Range: < 204°C / < 400°F
Description: Retards cement hydration to extend thickening time and control the rate of set, maintaining slurry pumpability and supporting reliable cement placement in high temperature cementing applications up to 400°F under high temperature and high pressure (HTHP) conditions.
Product Name: PETROCHEM – Low to Medium Temperature Synthetic Retarder 250 (Liquid)
Application: Low to medium temperature retarder for cementing systems
Physical Form: Brown Liquid
Specific Gravity: 1.08
Temperature Range: < 121°C / < 250°F
Description: Retards cement hydration to extend thickening time and control the rate of set, maintaining slurry pumpability and supporting reliable cement placement in low to medium temperature cementing applications.
Product Name: PETROCHEM – Medium Temperature Synthetic Retarder 300 (Powder)
Application: Medium temperature retarder for cementing systems
Physical Form: White Powder
Specific Gravity: 2.37
Temperature Range: < 149°C (< 300°F)
Description: Retards cement hydration to extend thickening time and control the rate of set, maintaining slurry pumpability and supporting reliable cement placement in medium temperature cementing applications.
Product Name: PETROCHEM – Medium Temperature Synthetic Retarder 300 (Liquid)
Application: Medium temperature retarder for cementing systems
Physical Form: Brown Liquid
Specific Gravity: 1.20
Temperature Range: < 149°C (< 300°F)
Description: Retards cement hydration to extend thickening time and control the rate of set, maintaining slurry pumpability and supporting reliable cement placement in medium temperature cementing applications.
Product Name: PETROCHEM – High Temperature Synthetic Retarder 400 (Liquid)
Application: High temperature retarder for cementing systems
Physical Form: Brown Liquid
Specific Gravity: 1.22
Temperature Range: < 204°C (< 400°F)
Description: Retards cement hydration to extend thickening time and control the rate of set, maintaining slurry pumpability and supporting reliable cement placement in high temperature cementing applications under high temperature and high pressure (HTHP) conditions up to 400°F.
PETROCHEM - Oilwell Cement Additives
Supporting cementing operations worldwide
© 2026 PETROCHEM USA, INC.
This website uses cookies. By continuing to use this site, you accept our use of cookies.