Benefits of using friction coefficient testers in the plastics industry

The coefficient of friction is one of the widely used properties of packaging materials and can help you determine the force required to transfer the material. This property of the material will depend on how the two materials interact . Different types of plastic materials have different coefficients of friction. Therefore, you need the correct test material to determine the value of this property of the material.

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Introduction

The coefficient of friction tester is one of the commonly used testing instruments, which can help you determine the surface properties of plastics, flexible packaging films, sheets and other materials. This test can be performed under specified test conditions to help you measure static and dynamic coefficients of friction. Helps reveal the stackability of plastic films. When the thickness of the flexible film is not uniform, it will result in non-uniform film strength. Therefore, you should use a coefficient of friction tester to determine how much pressure the plastic film can withstand without damage .

features

The Coefficient of Friction Tester is a good laboratory testing equipment, usually used in the packaging industry, to determine the value of the Coefficient of Friction. Materials such as plastic films, paper, and more can be easily tested .

• It is equipped with a microprocessor-based display that facilitates viewing highly accurate test results.

• With this testing instrument, you can easily obtain the static and dynamic friction values of your materials.

• We guarantee you will obtain highly accurate test results under sliding friction.

• This laboratory test apparatus consists of steel with a glass mount as the sample mounting surface.

• It comes with a slider block for performing tests.

• Its feather touch controls make testing easy.

• If the specimen is firm, it will not slip.

3 major benefits

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As we discussed above, the coefficient of friction is determined as the force moving two surfaces relative to each other divided by the force holding them together. So, you can easily determine if a material is suitable for grip requirements using this amazing piece of laboratory testing equipment.

• Helps you easily view coefficient of friction values for different materials.

• The specimen will not slip. You can use flying screws to tighten specimens evenly without any rings.

• It features a microprocessor-based display for viewing highly accurate test results.

LDPE is Low-density polyethylene. This kind of plastic is used in many plastic products with the resin code or recycling number 4.

Advantages & Uses of LDPE

• It is used in film applications as it is flexible, tough and transparent.
• It is used to produce some flexible lids and bottles along with wire and cable applications.
• This kind of plastic offers good resistance to bases, acids and vegetable oils.
• Its flexibility, transparency and toughness make it good for packaging applications that need heat sealing.
• LDPE plastics are used to make thin and flexible products such as for dry cleaning, bread, garbage, newspapers and frozen foods.
• The stretch film, cling film and shrink wrap are manufactured by LDPE along with coatings for paper milk cartons and disposable beverage cups.
• It is mainly used by manufacturers to create thin container lids, squeezable bottles and toys.

Dart Impact Tester
This type plastic material has major applications in packaging industry. Due to enhancements in technology, customer expectations have raised manifold. Dart Impact tester is used to measure the impact resistance of LDPE packaging material.

The high impact resistance of LDPE makes it highly durable. This type of plastic is used as plastic manufacturing material to customers across a range of sectors. Dart impact test on plastics is an important advancement of quality assurance in packaging industry. It computes the opposition of a plastic to crack on free-falling weight.

Dart impact tester performs the test using a sample which is prepared according to various standards. It ensures accuracy and uniformity in the test results. The sample is prepared as per ASTM-D-15a, ASTM-D -82a, IS--.

Preparation of sample:

• The thickness of the test sample is approximately 0.002mm within the area of the impact.
• Multiple thickness measurements are taken for accurate measurements
• Taking mean value and record the thickness of the sample
• Multiple thickness recording ensures a high precision level
• A sample clamping ring that ensures that the sample elongates to at least 25mm on all sides.
• Grip the sample on the ring holder
• Connect to the 6mm pneumatic pipe of vacuum pump
• Switching on the power to activate the vacuum pump to ensure that the sample holds tightly without any slippage of the sample.

Equipment Design:
The Presto&#;s Dart Impact tester is designed as per international standards. It has a hemispherical shaped head or dart held by electromagnetic section. The magnetic area holds and releases the dart head. The dropping height is adjusted by moving the head section in an upward and downward direction. An inbuilt digital counter is installed to keep the record for falling cycles in a single test.

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