CLS Rubber Test Equipment
At CLS Rubber, we take great pride in operating a comprehensive range of in-house testing equipment to ensure the highest standards of rubber product performance and quality. Our laboratory is equipped to conduct thorough evaluations covering both material physical properties and finished product functionality.
From Mooney viscometers, tensile testers, and ozone aging chambers to advanced endurance, leak, and vibration testers, we are capable of simulating real-world application conditions and validating product reliability. In addition, our precise instruments for hardness, dispersion, combustion, dimensional measurement, and chemical analysis (TGA, FT-IR) enable us to fully support product development and customer-specific requirements.
This robust testing capability reflects our strong commitment to quality assurance, continuous improvement, and long-term customer trust.

Mooney Viscometer
The Mooney Viscometer measures the viscosity and processability of unvulcanized rubber compounds. By applying controlled heat and torque, it simulates shear conditions to evaluate flow behavior and formulation consistency.
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Carbon Black Dispersion tester
The Carbon Black Dispersion Tester evaluates the uniformity of carbon black in rubber compounds. It provides visual and digital analysis to ensure proper filler distribution for consistent product quality.

Low temperature retraction tester & Brittleness Tester
Low Temperature Retraction Tester measures how rubber retracts after being stretched and frozen, helping assess flexibility and performance in cold environments.
Brittleness Tester determines the lowest temperature at which rubber cracks under impact, ensuring reliability in low-temperature applications.

5 Tons Tensile Testing Machine
The Tensile Testing Machine evaluates the mechanical strength of materials by measuring tension, elongation, and breaking force, ensuring product durability and compliance.

Curelastometer
The Curelastometer analyzes the curing behavior of rubber compounds. It monitors torque changes under heat to determine scorch time, cure rate, and optimal vulcanization conditions.

Vibration & Endurance tester
The Vibration & Endurance Tester simulates real-world mechanical stress through controlled vibration cycles, helping to assess product durability, fatigue resistance, and long-term reliability.

FT-IR: Fourier-Transform Infrared Spectroscopy
FT-IR identifies material composition by measuring how infrared light is absorbed. It detects molecular structures in rubbers and plastics, helping ensure material consistency and quality.

TGA:Thermal Gravimetric Analysis
TGA analyzes material weight changes under heat. It identifies composition, thermal stability, and decomposition temperatures, making it essential for quality control and material research.

Ozone Aging Tester
The Ozone Aging Tester simulates rubber aging under ozone exposure. It evaluates crack resistance by controlling ozone level, temperature, and tension, ensuring durability and weathering performance.

Softness testing machine
Softness Testing Machine measures the softness or hardness of rubber or foam materials. It ensures product consistency by applying force to the surface and recording resistance, ideal for quality control.

Brackish water spray tester
Brackish Water Spray Tester simulates coastal environments to test corrosion resistance. It sprays salt-contaminated water onto materials, evaluating durability and protective coating performance.

Micro I.R.H.D
Micro I.R.H.D measures rubber hardness using a low-force indenter, ideal for small or thin samples. It ensures precision in quality control and material consistency for soft elastomers.

3D Coordinate Measuring Machine
3D Coordinate Measuring Machine (CMM) measures object dimensions with high precision using a probe. It ensures part accuracy by capturing X, Y, Z coordinates, ideal for quality control and inspection.

Hydrometer
Hydrometer measures the specific gravity of liquids. It helps determine material concentration or purity by floating at a level corresponding to the liquid's density.

Attrition tester
Attrition Tester measures the resistance of rubber or polymer materials to surface wear. It simulates repeated friction or abrasion to assess durability and ensure product quality in demanding applications.

Fuel Oil Tester
Fuel Oil Tester measures the compatibility and stability of rubber when exposed to fuel oils. It helps assess swelling, hardness change, and weight variation to ensure performance in fuel-contact environments.

Burning tester
Burning Tester assesses the flame resistance of rubber or plastic materials. It measures ignition, burning rate, and self-extinguishing behavior under controlled conditions for safety evaluation.

Hose Buckling tester
Hose Buckling Tester checks a hose's resistance to deformation under vacuum. It simulates real-world bending and pressure to ensure structural strength and product reliability.

Hose Leak tester
Hose Leak Tester checks hose assemblies for air or fluid leaks. It applies internal pressure to detect any leakage points, ensuring sealing performance and product reliability.

Hose Pressure tester
Hose Pressure Tester checks the strength and leakage resistance of hoses. It applies high internal pressure to ensure performance and safety under real-use conditions.

Hose Vibration and Durability tester
Hose Vibration and Durability Tester simulates real-world engine vibration and pressure cycles. It tests hose strength and lifespan under dynamic conditions to ensure long-term performance.

Special machine for tensile, vibration, pressure and endurance testing
This custom machine performs tensile, vibration, pressure, and endurance tests. Designed per client needs, it ensures accurate simulation of real-use stress to verify product strength and durability.

