Cobb Tester is a reliable testing instrument designed to measure the water absorbency of paper, paperboard, cardboard, and corrugated fiberboard. It determines the amount of water absorbed by a material within a specified period, helping manufacturers evaluate water resistance and material quality. The tester is widely used in paper manufacturing, packaging, printing, corrugated box production, quality control laboratories, and research applications. It helps ensure that paper and packaging materials meet required quality standards. Cobb testing commonly follows standards such as ISO 535 and TAPPI T441.

Key Features

• Designed for water absorption testing of paper and board materials
• Helps determine the Cobb value of test samples
• Suitable for paper, cardboard, and packaging materials
• Provides reliable and consistent test results
• Easy-to-use testing arrangement
• Suitable for laboratory and quality control applications
• Robust construction for regular use

Specification

• Sample Diameter 130 mm (approx)
• Depth of cylinder 60 mm
• Diameter of rubber pad 145 mm
• Water level indicator in cylinder 10 mm and 25 mm
• Weight of roller 10Kg (approximate)