ASTM D2510 Standard Test Method for Adhesion of Solid Film Lubricants
6. Apparatus
6.1 Rubber Covered Steel Roller - A steel roller, 82.6 +/- 2.5 mm (3.25 +/- 0.1 in.) in diameter and 44.5 +/- 1.3 mm (1.75 +/- 0.05 in.) in width, covered with rubber approximately 6.4 mm (1/4 in.) in thickness having a durometer hardness of 80 +/- 5. The weight of the roller proper which applies pressure to the specimen shall be 2.04 +/- 0.05 kg (4.5 +/- 0.1 lb). It shall be so constructed that the weight of the handle is not added to the weight of the roller during use.
6.2 Stylus, or equivalent.
6.3 Oven, forced-circulation, capable of maintaining 149 +/- 5.5°C (300 +/- 10°F).
6.4 Micrometer, reading 0 to 25 +/- 0.0025 mm (0 to 1 +/- 0.0001 in.) with a 1-ball anvil.
7. Reagents and Materials
7.1 Test Panels, of aluminum alloy 2024 (conforming to Specification B209M, approximately 75 by 150 by 0.5 mm (3 by 6 by 0.020 in.) thick, anodized in accordance with Practices D1730, Type C, Method 2, chromic acid coatings.
7.2 Tape, Masking, 25 mm (1 in.) wide, made of paper (pressure-sensitive) with an adhesive strength of at least 28 kg/m (25 oz/in.) when tested in accordance with Procedure A of Test Methods D3330/D3330M.
NOTE 1 - A suitable tape meeting this specification is available commercially. It must be less than 12 months old. Its adhesion strength may be checked by using Test Methods D1000 to ensure uniformity.
7.3 Water, conforming to Specification D1193.
7.4 Solvent, safe, non-filming, nonchlorinated.
NOTE 2 - Petroleum distillates and hexanes formerly used as solvents in this test method, have been eliminated due to possible toxic effects. Each user should select a solvent that can meet the applicable safety standards and still thoroughly clean the parts.
8. Test Sample and Specimen Preparation
8.1 Have a sufficient quantity of solid film lubricant to perform the test. Prepare the test panels as follows:
8.1.1 Liquid-degrease in a solvent conforming to the requirements of 7.4. The panels shall be considered clean when the surface maintains a continuous water film for a period of at least 1 min after immersion in clean water at a temperature of 38 +/- 3°C (100 +/- 5°F) in accordance with 1.1 of Test Method F22.
8.1.2 Coat the test panels with dry solid film lubricant by means of spraying or an equivalent method to produce a dry film thickness between 0.005 and 0.013 mm (0.0002 and 0.0005 in.) and cure the film.
8.1.3 In most cases, curing shall be carried out according to the particular manufacturer's specifications. If such instructions are not provided, cure the film by air drying for 6 h at 26.7 +/- 3°C (80 +/- 5°F) or by air drying for 30 min at 26.7°C (80°F) followed by 1 h in an air-circulating oven at 149°C (300°F).
8.1.4 Measure the dry film thickness using a micrometer or equivalent gage.
