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Cobb Tester

Price 1000 INR/ Unit

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MOQ : 1 Unit

Cobb Tester Specification

Product Type
Cobb Tester

Features
Rugged construction, anti-corrosive coating, easy sample placement

Humidity
As per test environment

Temperature
Ambient

Specimen Size
100 mm diameter

Max Height
Approx. 30 cm

Color
Blue

Application
Testing water absorbency of paper, cardboards and similar materials

Number of Specimens
Single specimen at a time

Voltage
240 Volt (v)

Accuracy
1 ml

Operate Method
Manual

Power Supply
Electric

Test Range
Up to 200 gsm paper or board

Mounting Type
Bench-top

Equipment Type
Paper/Board Absorbency Tester

Resolution
1 ml

Measuring Range
0-200 gsm (gram/m2)

Automation Grade
Manual

Response Time
Immediate, depends on procedure

Usage
Cobb value testing for paper and board

Capacity
100 ml or 250 ml (standard variants)

Machine Weight
Approx. 8-12 kg

Test Speed
Manual, dependent on operator

Test Width
Standard test area 100 cm2

Control Mode
Manual

Water Level Indicator
Yes

Compliance Standard
IS 1060, TAPPI T441, ASTM D3285

Roller Material
Stainless Steel

Corrosion Resistance
High

Locking Mechanism
Screw clamp

Accessories Included
Stainless steel roller, measuring cylinder

Body Material
Mild Steel with powder coating

Surface Finish
Smooth, paint-coated

Cobb Tester Trade Information

Minimum Order Quantity
1 Unit

Supply Ability
100 Units Per Month

Delivery Time
1 Week

About Cobb Tester

we are working as a reputed manufacturer, supplier of excellent quality Cobb Tester. This tester is used for determining the water absorbency of paper and board. The tester offered by us is manufactured with high precision in adherence with set market standards by utilizing supreme quality components and progressive technology. Furthermore, our valuable clients can avail this Cobb Tester in different specifications at most economical prices.

Features:

High performance
Low power consumption
Negligible maintenance
Robust construction

Purpose-Built for Accurate Cobb Value Testing

This Cobb Tester delivers reliable results when assessing the water absorbency of paper and board, enabling quality assurance in production and research settings. Its standard test area and precise control allow consistent, repeatable measurements. The powder-coated mild steel body ensures long-term performance and corrosion resistance, even in demanding environments.

User-Friendly Manual Operation

Designed for easy use, the tester features a manual screw clamp for secure specimen placement and a stainless steel roller for uniform absorption. Its bench-top design, smooth finish, and clear water level indicator make it an excellent choice for laboratory or industrial environments where operator control and flexibility are important.

Compliant and Versatile

Conforming to IS 1060, TAPPI T441, and ASTM D3285 standards, this equipment assures internationally recognized test procedures are followed. With capacities for both 100 ml and 250 ml tests, it supports a variety of paper or board types up to 200 gsm, allowing manufacturers to maintain and verify material standards efficiently.

FAQ's of Cobb Tester:

Q: How does the Cobb Tester measure water absorbency in paper and board?

A: The Cobb Tester measures water absorbency by applying a specific volume of water to a 100 mm diameter specimen for a fixed duration, as per standards. After exposure, the specimen is weighed to determine the amount of water absorbed, expressed in gsm (gram per square meter). The included stainless steel roller helps remove excess water from the surface for accurate results.

Q: What standards does this Cobb Tester comply with and why is that important?

A: This device complies with IS 1060, TAPPI T441, and ASTM D3285 standards. Adherence to these standards ensures that testing methods are consistent and results are recognized both nationally and internationally, vital for exporters, manufacturers, and suppliers who must meet specific quality benchmarks.

Q: Where is this Cobb Tester typically used?

A: This Cobb Tester is commonly utilized in paper mills, packaging industries, quality control labs, and research facilities. Its bench-top design makes it suitable for any laboratory or production environment focused on testing and verifying the absorbency of paper and board materials.

Q: What is the process for operating the Cobb Tester?

A: To operate, place the specimen inside the test area and secure it with the manual screw clamp. Add water to the indicated level using the measuring cylinder. After the set time, remove excess water using the stainless steel roller, then weigh the specimen to calculate water absorbency. The process is manual, allowing the operator to control each step for repeatable results.

Q: What are the benefits of using a manual Cobb Tester with a mild steel powder-coated body?

A: The powder-coated mild steel body offers excellent durability and corrosion resistance, extending equipment life even during frequent use. Manual operation allows precise user control, and the test's straightforward nature delivers immediate results, providing reliable data for product development and quality assurance.

Q: When should Cobb value testing be conducted on paper or board?

A: Cobb value testing is typically performed during material development, quality control before shipment, or whenever verifying batch consistency is critical. Regular testing helps ensure products maintain required moisture resistance, critical for packaging and printing industries.

Q: What accessories are included with the Cobb Tester and what is their purpose?

A: The Cobb Tester is supplied with a stainless steel roller and a measuring cylinder. The roller helps remove excess water post-absorption to avoid skewed results, while the measuring cylinder ensures accurate water volume measurement for consistent testing procedures.

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