ASTM D903 Peel or Stripping Strength of Adhesive Bonds
ASTM D903 is a test method that determines the peel and stripping strength of adhesive bonds under specific conditions. ASTM D903 is mainly carried out for research and development purposes. Mostly, ASTM D903 test method is used to evaluate and isolate chemical composition for adhesives with the best adhesive properties. The values stated in SI units are regarded as the standard for this method. Read more about ASTM D903 Peel or Stripping Strength of Adhesive Bonds below.
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Introduction to ASTM D903
ASTM D903 is a test method designed to cover the comparative peel or stripping characteristics of adhesive bonds when tested on standard-sized specimens and under defined conditions of pretreatment, temperature, and testing machine speed. The results obtained are specially used for quality control and specification purposes. Plastic films, adhesive labels, and waterproofing materials are some of the materials evaluated using the ASTM D903 test method.
The difficulties faced during ASTM D903 testing are reporting calculations in compliance with the standard, maintaining adequate data rates in capturing peaks and troughs, ensuring a good grip on materials of various thicknesses, and eliminating slippage during testing. ASTM D903 is mainly carried out for research and development purposes and this method is difficult to use as a quality control measure due to the standard 7-day conditioning period required by this test method.
ASTM D903 test method is applicable to adhesive bonds and utilizes test specimens of each adhesive for testing. The conditioning of the specimen depends on the agreement between the buyer and the manufacturer and ranges up to seven days. MaTestLab has the best network of testing labs in the USA to carry out ASTM D903 test for our clients.
ASTM D903 Test Method
This test method proceeds with removing the specimens from the conditioning environment. The specimen is then placed in the testing machine by clamping the free end. The separate end of the specimen is attached to the separate parts by means of a clamp and is adjusted symmetrically to ensure the uniform distribution of tension. The specimen is held between the plane of the clamp by means of a weight or grip. The weight attached to adjust the placement of specimens is taken into consideration while calculating the load causing separation. The separating member is stripped from the specimen at an angle of 180 degrees and the values of peel and stripping strength are calculated.
Testing Machine
A power-driven machine with a constant rate of jaw separation is used. The applied tension is adjusted to be within 1% and the specimen is held firmly among the clamps. The uniform rate of power actuated grip is used and the chart on the machine indicates the inches of separation and applied tension.
Conditioning Room or Desiccators
A conditioning room capable of maintaining a specific relative humidity of 50 % at 23 degree Celsius or a desiccator filled with a saturated salt solution is used to condition the specimen before it is placed in the testing machine.
ASTM D903 Specimens
Specimen details
ASTM D903 specimens must be solid and uniformly rectangular.
Specimen dimensions
The general sample for ASTM D903 consists of one piece of flexible material, 25 by 304.8 mm (1 by 12 in.), bonded for 152.4 mm (6 in.) at one end to one piece of flexible or rigid material, 25 by 203.2 mm (1 by 8 in.), with the unbonded portions of each member being face to face.
Specimen preparation
Specimens are injection molded or, cut from molded or extruded sheets, plates, or bonded panels.
ASTM D903 Results
This test method evaluates peel and stripping properties such as peel and stripping strength adhesive bonds. The weight of the load is indicated and the final values are expressed in terms of average by taking the arithmetic mean of all the values. Peel and stripping properties vary with specimen depth, temperature, atmospheric conditions, and strain rate.
Tests related to ASTM D903
ASTM D907 provides the standard terminologies for ASTM D903.
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Please contact us for a detailed quote for your astm d903 testing needs. Cost incurred to carry out different astm d903 testing methodology depends on the type of raw material; number of samples, coupons, or specimens; test conditions, turn around time etc. Costs of some ASTM testing methods start from $100 and the final value depends upon the factors listed above. Please contact us for the best and latest prices.
How many samples are required for astm d903?
The required number of samples or specimens should comply with the procedure given in the astm d903 standard. However, the MaTestLab operations team can assist you for your special requirements once you share your testing details with us.
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How many days will it take to complete the astm d903 test?
The turnaround time for astm d903 test methodology depends upon the test procedure mentioned in the standard test document. However, we at MaTestLab understand your research requirements and hence try to get your test completed within the least possible time.
Where can I get the astm d903 tested?
You can share your astm d903 testing requirements with MaTestLab. MaTestLab has a vast network of material testing laboratories, spread across the USA and Canada. We support your all material testing needs ranging from specific astm d903 test to various testing techniques.
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