Model : PDI-Aero Series
A Dart Impact Tester is a piece of laboratory testing equipment that assesses the impact resistance or toughness of plastic sheets, films, and packaging materials by determining the energy required to break a film upon impact with a freely falling dart dropped from a predetermined height. This testing determines the impact strength and durability of packaging materials in the event of impact or drop in the case of a sudden circumstance. Success in impact failure testing assures the safety of a product when in use, transported, or stored. The test conforms to ASTM D1709 and international standards and is therefore critical to quality control for industries that manufacture packaging, polymers, and films.
The Dart Impact Tester is a high-precision device designed to measure the impact resistance of plastic films, laminates, and packaging materials. It tests the material's resistance against sudden impact or drop without bursting. The tester utilizes the free-falling dart principle in which a hemispherical dart of known weight is allowed to fall from a predetermined height onto the test specimen.
The energy required to cause film failure is known as the film's impact strength. Testing not only demonstrates the packer's level of protection and stability of the product, but also assures safety while unitizing packaging to his satisfaction. Manufacturers compare to international testing standards (ASTM D1709) to establish their policies for packaging food, making it an important part of quality assurance processes in packaging and polymer companies.
The Dart Impact Test applies the free-falling dart principle to measure the impact resistance of plastic sheets and films. In this test, a hemispherical dart of predetermined weight is dropped from a constant height onto a clamped film sample. The impact energy taken up by the film before rupture is a measure of its toughness and strength. By varying the weight of the dart and noting the failure or survival of samples, the critical impact failure point is established. This technique aids manufacturers in assessing material performance under conditions of sudden impact, guaranting quality, reliability, and durability in packaging and polymer products.
Here are the benefits of the Dart Impact Tester explained in detail:
Ensures Packaging Durability
The Dart Impact Tester assists in determining the film's resistance to impact to ensure that it can withstand drops or shocks upon handling and transit. This ensures that the packaging material retains its integrity, protecting the product inside while ensuring it is of quality and safe during shipment and storage.
Improves Product Quality
By detecting weak spots in films or packaging materials, manufacturers can enhance formulation and manufacturing processes. The test data yields significant information to maximize strength, flexibility, and thickness, thereby maintaining uniform product quality to meet industry requirements and customer demands for robust, high-performance packaging solutions.
Standards Compliance
The Dart Impact Tester follows International test standards (e.g., ASTM D1709). Standards-based testing provides accurate and reliable testing, certified for quality control of producers, with verified compliance to sell and distribute packaging material and technology to markets worldwide.
Cost and Material Optimization
By accurately determining the quality of impact resistance, producers can reduce the incidence of over-engineering materials with resulting material waste through the manufacturing process. This has an appropriate cost-performance ratio maximized through the appropriate material use if quality is upheld. This supports the optimum usage of resources, control of related costs, and a sustainable manufacturing process in packaging and the brand's manufacturing process.
Here are the detailed applications of the Dart Impact Tester:
Production of Plastic Film
In running film fabrication, the Dart Impact Tester refers to the mechanical method of assessing the toughness and strength of films. It designates films in packaging, such as shrink films for wrapping, lamination, and seals (inner seals where mechanical puncturing or tearing might occur) against mechanical shock during processing, handling, and shipping.
Packaging Industry
In shipping and packaging, the Dart Impact Tester is a method of testing the integrity of plastic film bags, pouches, and containers. It ensures that the packing material can withstand the rigors of damage during shipping and handling or potentially when the film is both unpackaged and packaged, such as storage. The packing material's durability is essential to product integrity and customer satisfaction.
Food and Beverage Industry
In packaging food and beverages, impact resistance is crucial to avoid leaks or contamination. Dart Impact Tester assists producers in ensuring the packaging films applied to snacks, frozen food, and liquid products can withstand mechanical stress, maintaining freshness, safety, and conformity to packaging quality standards.
Pharmaceutical Industry
Pharmaceutical packaging materials like medical pouches and blister packs need to be highly durable. The impact resistance of these can be examined using the Dart Impact Tester to make sure delicate drugs and medical products are not punctured or broken while handling or transport, thus maintaining their safety and sterility.
Presto Instruments Dart Impact Testers are precision engineered and reliable to provide precise results for impact resistance testing of films and packagings. Precision engineered with the latest technology and ease of use, they meet international standards such as ASTM D1709. Presto provides durable construction, simple sample mounting, and reliable performance for long-term applications.
Presto Instruments is a leading manufacturer and supplier of Dart Impact Tester- Aero Series. For the best price, contact us for a quote or call now!
| Parameter / Feature | Details |
|---|---|
| Inner Diameter of Clamp | 127 mm ± 2 mm |
| Diameter of Dart Head | Method A: 38 mmMethod B: 50.8 mm ± 0.13 mm |
| Drop Height | 660 mm & 1524 mm (Adjustable) |
| Dart Weight | 5 g to 90 g (Steel weights) |
| Maximum Dart Holding Capacity | Up to 2 kg (Other capacities on request) |
| Dart Head Material | Method A: PhenolicMethod B: Steel |
| Height Adjustable Clamp Least Count | 1 mm |
| Counter | Digital |
| Power Supply | 220V, 50Hz, Single Phase |
| Type of Test | Free Falling Dart |
| Release Mechanism | Electromagnetic dart hold/release system |
| Clamping Unit | Circular annular clamp with zero slippage |
| Material | Mild Steel |
| Finish | Powder-coated Havel Gray & Blue with bright chrome/zinc plating (corrosion resistant) |
| Dimensions (L × W × H) | 415 × 500 × 2153 mm |
A Dart Impact Tester is a testing device utilized to determine the impact strength or toughness of plastic films or sheets. It measures the amount of energy required to fracture a film when struck by a dart let go from a predetermined height which demonstrates the material's quality and strength.
The Dart Impact Test is performed in accordance with ASTM D1709, an international standard outlining the method for measuring plastic film's impact resistance by using a free-falling dart technique. This provides consistent, reliable, and comparable results when tested across various materials and laboratories.
A typical Dart Impact Tester is comprised of a dart holder, release mechanism, clamp for specimen, column for drop height, impact base, and optional digital display unit. They are combined to conduct controlled impact tests and accurately determine the energy necessary to induce film failure.
The price of Dart Impact tester in India is normally between INR 50,000 and INR 200,000, depending upon model, feature, and quality of construction. The more advanced models with digital screens and accurate drop height control tend to be more expensive.
Dart weight during testing usually runs between 5 grams to 2000 grams based on the strength of the film and the chosen test method. Thinner films are tested using lighter darts, but heavier darts test thicker or impact-resistant materials to accurately measure their breaking energy.
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