RANKCONN - Falling Dart test Machine (JM-L Series)
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Brand : Rankconn Instruments
Model : JM-L Series
Product Description :
This product is used to perform falling dart impact tests on plastic film, sheeting and similar materials to evaluate their impact resistance. It is designed and manufactured in accordance with GB/T 9639.1-2008, "Plastics - Film and Sheeting - Determination of Impact Resistance by the Free-falling Dart Method - Part 1: Staircase Methods."
Specifications :
| Model | JM-LA (Method A)![]() |
JM-LB (Method B)![]() |
| Specimen Requirement | <= 1 mm | |
| Maximum Impact Energy | 30 J | |
| Measurement Method (Optional) | Method A | Method B |
| Test Range | 0.05 kg-2 kg | 0.3 kg-2 kg |
| Dart Head Diameter | 38 mm +/- 1 mm | 50 mm +/- 1 mm |
| Drop Height | 0.66 m +/- 0.01 m | 1.50 m +/- 0.01 m |
| Weights | 5 g x 2; 15 g, 30 g, 80 g and 120 g x 8 each | 15 g x 2; 45 g and 90 g x 8 each; 180 g x 5 |
| Test Conditions | 23 deg C, 50% RH (standard) | |
| Specimen Clamping | Pneumatic | |
| Clamp Inner Diameter | 125 mm | |
| Instrument Dimensions | 400 x 400 x 2300 mm | |
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