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Our Products

Two precision product lines.
Every formulation engineered for underground performance.

Gold Line and Silver Line — covering every project requirement from ultra-demanding deep-sea metro TBMs to standard utility tunnel drives.

01Product Lines

Gold Line & Silver Line

Two complementary lines covering every project requirement — from ultra-demanding deep-sea metro TBMs to standard utility tunnel drives.

Gold Line
CENTOR Gold
Maximum-Performance Formulations

Designed for the most demanding TBM operating conditions. Advanced additive packages deliver superior EP performance, extreme temperature stability, and extended service intervals.

BiodegradableFire ResistantHigh EP PerformanceExtended Service Life
View Gold Line Products ↓
Silver Line
CENTOR Silver
High-Reliability Standard Formulations

Proven, reliable performance for standard underground applications. The same engineering philosophy as Gold Line, optimised for cost-efficiency on high-volume projects.

BiodegradableFire ResistantEP PerformanceCost Optimised
View Silver Line Products ↓
Gold Line — Premium Performance

CENTOR Gold Products

Maximum-performance formulations engineered for the most demanding TBM environments. Biodegradable, fire-resistant, and optimised for EP performance.
CTG-MB-GL01
CTG Main Bearing Grease

High-performance lithium complex grease engineered for TBM main bearing lubrication. Exceptional load-carrying capacity under the extreme radial and axial forces of shield tunnelling.

Base Oil460 cSt @ 40°C
Temp Range−20°C to +180°C
NLGI Grade2
Packaging: 18 kg pail / 180 kg drum
CTS-ST-GL02
CTS Shield Tail Sealant

Multi-component grease sealant system for shield tail void prevention. Maintains an effective barrier against groundwater, compressed air, and grout ingress at the shield-segment interface.

ConsistencyNLGI 1.5 – 2
Water Res.Excellent (DIN 51807)
PressureUp to 8 bar
Packaging: 20 kg pail / 200 kg drum
CTF-SC-GL03
CTF Soil Conditioner Foam

Biodegradable foaming agent designed for EPB TBM face conditioning. Reduces cutterhead torque and wear, controls pore water pressure, and improves muck flow in the screw conveyor.

Dilution1:20 – 1:40
FER10 – 20 (typical)
Biodeg.Yes (OECD 301)
Packaging: 25 L jerry / 1000 L IBC
Biodegradable
CTH-AW-GL04
CTH Anti-Wear Hydraulic Oil

Premium anti-wear hydraulic fluid for TBM hydraulic systems. Provides superior film strength, rust and oxidation protection, and excellent filterability for precision hydraulic components.

GradeISO VG 46 / 68
VI≥ 100
Flash Point≥ 220°C
Packaging: 20 L / 200 L drum
CTG-CT-GL05
CTG Cutting Tool Grease

Extreme-pressure grease for disc cutter and scraper tool lubrication. Resists wash-out from groundwater infiltration while maintaining a tenacious film on all cutting tool bearing surfaces.

EP AdditiveSulphur-Phosphorus
Weld Load≥ 400 kgf (4-Ball)
Drop Point≥ 280°C
Packaging: 18 kg pail / 180 kg drum
CTR-SM-GL06
CTR Segment Mould Release

Water-based mould release agent for pre-cast tunnel segment production. Provides a clean release while protecting mould surfaces and meeting environmental discharge requirements.

TypeWater-based emulsion
Dilution1:3 – 1:5 with water
VOC< 30 g/L
Packaging: 25 L jerry / 200 L drum
Silver Line — Standard Performance

CENTOR Silver Products

Proven, reliable performance for standard underground applications. The same engineering philosophy as Gold Line, optimised for cost-efficiency on high-volume projects.
CTG-MB-SL01
CTG Main Bearing Grease

Reliable lithium complex main bearing grease for standard TBM applications. Proven performance in metro, road tunnel, and utility projects where operating conditions are well-controlled.

Base Oil320 cSt @ 40°C
Temp Range−15°C to +160°C
NLGI Grade2
Packaging: 18 kg pail / 180 kg drum
CTS-ST-SL02
CTS Shield Tail Sealant

Standard-grade shield tail grease providing reliable sealing performance for low-to-medium water pressure conditions. Compatible with all major TBM shield tail brush systems.

ConsistencyNLGI 1 – 2
Water Res.Good (DIN 51807)
PressureUp to 4 bar
Packaging: 20 kg pail / 200 kg drum
CTF-SC-SL03
CTF Soil Conditioner Foam

Cost-effective biodegradable foaming agent for EPB conditioning in stable, low-permeability ground conditions. Provides reliable flow improvement and torque reduction at competitive cost.

Dilution1:25 – 1:50
FER8 – 15 (typical)
Biodeg.Yes (OECD 301)
Packaging: 25 L jerry / 1000 L IBC
Biodegradable

Not Sure Which Product Is Right for Your Project?

Our engineering team will review your ground conditions, TBM specifications, and project timeline to recommend the optimal product selection.