Tej Engineers

Tej Engineers is a trusted manufacturer, supplier, and exporter of Laboratory Hot Air Ovens in India, offering high-quality, durable, and energy-efficient ovens for precise drying, heating, and sterilization applications.

Our Laboratory Hot Air Oven is designed for uniform temperature distribution and accurate temperature control, making it ideal for plastic testing laboratories, research institutions, and industrial quality control departments. Engineered for long service life and reliability, it conforms to IS, ASTM, and ISO testing standards and is widely used in pipe and polymer testing.

• Temperature range: Ambient +10°C to 300°C (customizable)

• Digital PID temperature controller with high accuracy

• Double-walled construction with thermal insulation for minimal heat loss

• Uniform air circulation system using high-efficiency blower fans

• Stainless steel inner chamber and powder-coated outer body

• Digital timer and alarm system for precise testing duration

• Over-temperature protection for safety

• Available in various sizes and capacities

• Conforms to IS 9000, IS 1288, IS 4984, and ASTM D618 standards

• Drying, curing, and heating of polymer and plastic samples

• Pre-conditioning of test specimens before mechanical testing

• Moisture content determination

• Sterilization and temperature aging tests

• Used in polymer labs, pipe testing laboratories, R&D centers, and educational institutions

• Uniform temperature control for accurate results

• Energy-efficient and low-maintenance design

• Easy-to-operate digital control panel

• Compact, sturdy, and corrosion-resistant structure

• Customizable models available (standard/laboratory/industrial)

Tej Engineers is a leading manufacturer, supplier, and exporter of Fully Automatic Melt Flow Index Testers (M.F.I Test Apparatus) in India. Our Fully Automatic MFI Tester is a state-of-the-art plastic testing equipment designed to accurately measure the Melt Flow Rate (MFR) and Melt Volume Rate (MVR) of thermoplastic materials such as HDPE, LDPE, PP, ABS, PVC, and PPR under precisely controlled temperature and load conditions.

Built with advanced microprocessor technology, touchscreen control, and automated cutting and weighing systems, the Tej Engineers Automatic MFI Tester ensures superior precision, repeatability, and ease of operation, making it ideal for polymer testing laboratories, plastic manufacturing units, and research institutions.

• Fully automatic operation – temperature control, sample cutting, and result computation

• Touchscreen interface with digital data display and result storage

• Microprocessor-based PID temperature controller (up to 400°C with ±0.1°C accuracy)

• High-precision load mechanism for accurate test conditions

• Automatic die cleaning and sample cutting mechanism

• Integrated balance for automatic weight measurement (optional)

• USB/PC connectivity for data storage and report generation

• User-friendly software interface for real-time graphing and result analysis

• Available in MFR, MVR, and dual-mode testing configurations

• Conforms to IS 2530, ASTM D1238, and ISO 1133 international standards

• Determination of Melt Flow Rate (MFR) and Melt Volume Rate (MVR)

• Suitable for HDPE, LDPE, PP, PPR, ABS, and other thermoplastic materials

• Used in plastic manufacturing industries, quality control laboratories, and R&D centers

• Ideal for polymer testing and material characterization

• High accuracy and repeatability with full automation

• Eliminates manual error in cutting, timing, and weighing

• Quick, efficient, and user-friendly operation

• Automated data recording and digital report generation

• Compact, durable, and low-maintenance design

• Increases testing throughput and laboratory productivity

Tej Engineers is a leading manufacturer, supplier, and exporter of Cold Water Baths in India, offering precision-engineered, durable, and reliable equipment designed for pipe testing and laboratory applications.

Our Cold Water Bath is specifically designed for cooling and conditioning of test samples such as PVC, HDPE, MDPE, and PPR pipes during hydrostatic pressure testing as per IS, ASTM, and ISO standards. It ensures uniform temperature distribution and accurate temperature control, making it ideal for quality control laboratories and industrial testing environments.

• Heavy-duty insulated stainless steel tank for long service life

• Digital temperature controller for precise temperature setting (ambient to 27°C or as required)

• High-efficiency cooling system for rapid and uniform cooling

• Automatic circulation system ensures consistent temperature across the bath

• Available in various sizes and capacities to suit different test setups

• Corrosion-resistant construction for durability and low maintenance

• Designed to work with Hydrostatic Pressure Testing Machines

• Complies with IS 4984, IS 4985, ISO 1167, and ASTM D1598

• Used with Hydro Pressure Testing Machines for PVC, HDPE, and PPR pipes

• Pipe testing laboratories and research centers

• Plastic and polymer industries for temperature-controlled testing

• Educational and R&D institutions

• Uniform temperature control and high accuracy

• Compact, efficient, and easy to operate

• Custom-built sizes available for specific requirements

• Suitable for both short-term and long-term testing

• Low noise and energy-efficient cooling system

Tej Engineers is a leading manufacturer, supplier, and exporter of Fully Automatic Melt Flow Index Testers (M.F.I Test Apparatus) in India. Our Fully Automatic MFI Tester is a state-of-the-art plastic testing equipment designed to accurately measure the Melt Flow Rate (MFR) and Melt Volume Rate (MVR) of thermoplastic materials such as HDPE, LDPE, PP, ABS, PVC, and PPR under precisely controlled temperature and load conditions.

Built with advanced microprocessor technology, touchscreen control, and automated cutting and weighing systems, the Tej Engineers Automatic MFI Tester ensures superior precision, repeatability, and ease of operation, making it ideal for polymer testing laboratories, plastic manufacturing units, and research institutions.

• Fully automatic operation – temperature control, sample cutting, and result computation

• Touchscreen interface with digital data display and result storage

• Microprocessor-based PID temperature controller (up to 400°C with ±0.1°C accuracy)

• High-precision load mechanism for accurate test conditions

• Automatic die cleaning and sample cutting mechanism

• Integrated balance for automatic weight measurement (optional)

• USB/PC connectivity for data storage and report generation

• User-friendly software interface for real-time graphing and result analysis

• Available in MFR, MVR, and dual-mode testing configurations

• Conforms to IS 2530, ASTM D1238, and ISO 1133 international standards

• Determination of Melt Flow Rate (MFR) and Melt Volume Rate (MVR)

• Suitable for HDPE, LDPE, PP, PPR, ABS, and other thermoplastic materials

• Used in plastic manufacturing industries, quality control laboratories, and R&D centers

• Ideal for polymer testing and material characterization

• High accuracy and repeatability with full automation

• Eliminates manual error in cutting, timing, and weighing

• Quick, efficient, and user-friendly operation

• Automated data recording and digital report generation

• Compact, durable, and low-maintenance design

• Increases testing throughput and laboratory productivity

Humidity Chambers, also known as environmental or climate chambers, are specialized devices designed to control and maintain specific humidity levels within an enclosed space. They are widely used in scientific research, industrial testing, and material storage to simulate various environmental conditions.

Here are some key features and applications of humidity chambers:

• Humidification System: Introduces moisture into the chamber using reservoirs, ultrasonic humidifiers, or steam generators.

• Dehumidification System: Removes excess moisture using desiccants, condensation, or refrigeration-based methods.

• Temperature Control: Maintains specific temperature ranges alongside humidity control.

• Monitoring and Control Unit: Equipped with control panels and sensors to continuously monitor and regulate the internal environment

Tej Engineers is a leading manufacturer, supplier, and exporter of Hot Water Baths in India. Our Hot Water Bath is a precision-designed plastic and polymer testing equipment used for determining the physical and thermal behavior of PVC, HDPE, and PPR pipes and fittings under controlled temperature conditions.

Built with high-grade stainless steel, uniform heating elements, and advanced digital temperature control, the Tej Engineers Hot Water Bath ensures accurate, uniform, and reliable test results. It is widely used in pipe manufacturing industries, research laboratories, and quality control departments for various tests such as hydrostatic pressure testing, reversion testing, and heat stability analysis.

• Microprocessor-based PID temperature controller (up to 95°C with ±0.1°C accuracy)

• Double-walled stainless steel tank with high-grade insulation

• Uniform temperature distribution using efficient circulation pumps or heaters

• Digital temperature display for easy monitoring and control

• Safety thermostat for overheating protection

• Available in multiple tank capacities (custom-built as per requirement)

• Sturdy and corrosion-resistant construction

• Complies with IS 4984, IS 4985, and ISO 1167 standards

• Used for Hydrostatic Pressure Testing of plastic pipes

• Suitable for PVC, HDPE, MDPE, and PPR pipe testing

• Ideal for Reversion Tests and Thermal Stability Tests

• Widely used in pipe manufacturing plants, quality control labs, and R&D centers

• Applicable in educational institutions and polymer testing laboratories

• Highly accurate temperature control for consistent test results

• Durable and long-lasting stainless steel body

• Uniform heating system ensuring even water temperature

• User-friendly design with easy operation and maintenance

• Available in customized sizes and capacities to meet client needs

Tej Engineers is a renowned manufacturer, supplier, and exporter of Reversion Oil Baths in India. Our Reversion Oil Bath is a precision-engineered plastic testing equipment used to determine the thermal reversion properties of PVC, HDPE, and other thermoplastic pipes and fittings.

Designed with uniform temperature control, digital PID systems, and robust stainless steel construction, our Reversion Oil Bath ensures accurate, reliable, and repeatable test results, fully compliant with IS, ASTM, and ISO standards. It is widely used in pipe manufacturing industries, polymer laboratories, and quality control facilities for testing material stability at elevated temperatures.

• Microprocessor-based PID temperature controller for precise heat regulation (up to 300°C)

• Double-walled stainless steel oil chamber with high-temperature insulation

• Uniform heating system for consistent test conditions

• Digital display for temperature indication and control

• Thermostatic safety cut-off for overheat protection

• Removable specimen holder for easy handling and cleaning

• Available in different capacities as per customer requirements

• Complies with IS 4985, ASTM D2122, and ISO 2505 standards

• Determination of thermal reversion properties of PVC and HDPE pipes

• Testing thermoplastic pipes, tubes, and fittings under heat exposure

• Ideal for pipe manufacturing industries, polymer testing labs, and R&D centers

• Used in quality control and product certification testing

• Accurate and uniform temperature control across the oil chamber

• Sturdy stainless steel design for durability and long life

• Energy-efficient and low-maintenance system

• Safe, reliable, and user-friendly operation

• Customizable sizes and configurations available

A Laboratory Hot Water Bath is a piece of scientific equipment used to maintain a steady temperature for a prolonged time when incubating samples. It is preferred over an open flame when heating flammable substances and is employed to enable some chemical reactions at high temperatures.

Key features of a Laboratory Hot Water Bath include:

• Temperature Range: Typically from ambient temperature to 100°C.

• Construction: Double-walled with an inner tank made of stainless steel and an outer chamber made of mild steel, often powder-coated for durability.

• Insulation: Mineral wool insulation to prevent thermal loss.

• Heating Elements: Positioned in the floor and side walls for even temperature distribution.

• Temperature Control: Digital or analog temperature indicator cum controller with high accuracy.

• Stirring Arrangement: Some models come with a high-speed stirrer for uniform temperature distribution.

Tej Engineers is a leading manufacturer, supplier, and exporter of Carbon Black Content Test Apparatus in India. Our advanced testing equipment is designed to determine the carbon black content in polyethylene (PE), polypropylene (PP), HDPE, MDPE, and PPR materials using the standard thermal decomposition method.

The Carbon Black Content Tester accurately measures the amount of carbon black used as a UV stabilizer in plastic materials, ensuring product quality, durability, and compliance with IS, ASTM, and ISO standards. Built with high-quality components and precision controls, our apparatus guarantees reliable and repeatable test results for laboratory and industrial use.

• High-precision temperature control system (up to 1000°C)

• Dual-zone furnace for pyrolysis and oxidation phases

• Digital temperature controller with thermocouple feedback

• Quartz or glass combustion tubes with gas inlet and outlet ports

• Oxygen and nitrogen flow control system with rotameters

• High-quality heating elements for uniform temperature distribution

• Compact, durable, and corrosion-resistant construction

• Complies with IS 2530, IS 4984, ASTM D1603, and ISO 6964 standards

• Determination of carbon black content in polyethylene, polypropylene, and plastic compounds

• Testing HDPE, MDPE, LDPE, and PPR pipes & fittings

• Quality control laboratories in plastic manufacturing

• Polymer R&D centers and testing institutions

• High accuracy and repeatability of results

• Easy to operate and maintain

• Ensures compliance with national and international testing standards

• Compact design ideal for laboratory use

• Available in manual, semi-automatic, and digital models