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Features

The conical mandrel bender is a popular design to test coating flexibility.

• Precision cut conical mandrel for accurate results
• Built-in ruler for convenient measurement
• Special sample holder plate design to prevent panel slippage
• Economically price
• Compliant with ASTM and ISO methods
• Durable design for long term use

Technical Attributes

General

• 重量：4.1 kg

• 尺寸： L x W x H51 x 15 x 18 cm

Procedure

• Carefully cover test panel with paper between mandrel and draw bar, and clamp the panel
• Fold the test panel around the cone by using the manually operated arm that is pivoted at the ends of the axis of the cone
• Bend uniformly at 180 degrees within 15 seconds
• Remove panel and examine the coating for cracks
• Mark the point at which the cracking stops and measure the distance from the farthest end of the crack to the small end of the mandrel
• Appropriate calibration curves also permit determination of the elongation values of the paint film