Film Dart Impact Tester for Laminates and Composite Films

Falling dart apparatus that finds the impact energy at which 50 percent of film samples fail. Used by blown, cast and laminated film producers. It indicates how well a film survives drops and rough handling when filled.

Specification

A hemispherical dart is dropped from a set height onto a clamped film specimen. By the staircase method the weight causing 50 percent failure is calculated as dart impact strength.

Features

• Dart head 38 mm diameter
• Pneumatic release
• Specimen clamp ring 127 mm
• Stainless steel dart weights
• Height 0.66 m

Technical Specifications

Drop height	0.66 m (Method A)
Dart head	38.1 mm, hemispherical
Clamp inner diameter	127 mm
Weight set	0.5 to 5 kg
Clamp type	Pneumatic
Film thickness	up to 250 um
Power	230 V AC, 50 Hz
Standards	ASTM D1709, ISO 7765-1

Standard Accessories

• Dart weights
• Dart heads
• Staircase chart