1、 FORD LABORATORY TEST METHODBI 168-01Date Action Revisions 2006 11 17 Activated A. Wedepohl Printed copies are uncontrolled Copyright 2007, Ford Global Technologies, LLC Page 1 of 2 FLUID RESISTANCE OF CHASSIS AND EXTERIOR MATERIALS FOR INCIDENTIAL EXPOSURE Application This method is used to determi
2、ne the resistance of parts and materials to incidental contact or occasional exposure to automotive fluids. It is not intended to test for the effects of prolonged contact. This method applies to painted steel, painted plastic, mold-in-color or natural color plastic parts, and elastomers. Referencin
3、g specifications will need to indicate evaluation method A, method B, or both. Apparatus Required Mechanical Convection Oven Capable of maintaining 50 C +/- 2 C. Burette with Support or Disposable Syringe Test Fluids For Chassis Parts use: For Body and Exterior Trim use: Gasoline: Any commercially a
4、vailable 87 octane lead free product with 20% laboratory grade ethanol. Gasoline: Any commercially available 87 octane lead free product with 20% laboratory grade ethanol. Diesel: Any commercially available diesel, grade 2 with 20% (by volume) biodiesel added. (any commercially available type) Diese
5、l: Any commercially available diesel, grade 2 with 20% (by volume) biodiesel added. (any commercially available type) Coolant: Any commercially available ethylene glycol based coolant mixed 50/50 with water. Coolant: Any commercially available ethylene glycol based coolant mixed 50/50 with water. En
6、gine Oil: Any commercially available engine oil meeting the latest API-ILSAC requirements. Engine Oil: Any commercially available engine oil meeting the latest API-ILSAC requirements. Deionized Water Multipurpose Cleaner (Example: Formula 409, Fantastic, Armor All) Optional Fluids (Dependant on part
7、 location) Windshield wash fluid, methanol based. 1 part Motorcraft fluid to 1.5 parts water Transmission Fluid (Mercon or Ford brand) Motorcraft Bug and Tar Remover Battery Acid (35% by weight H2SO4) Glass cleaner Any commercially available product Brake Fluid (DOT 3 or DOT 4) Isopropyl alcohol 1:1
8、 with water Note: Referencing specifications may add additional fluids. FORD LABORATORY TEST METHODBI 168-01Printed copies are uncontrolled Copyright 2007, Ford Global Technologies, LLC Page 2 of 2 Conditioning and Test Conditions All test values indicated herein are based on material conditioned in
9、 a controlled atmosphere of 23 +/- 2 C and 50 +/- 5% relative humidity for not less than 24 h prior to testing and tested under the same conditions unless otherwise specified. Procedure 1. Place the test specimen to be tested into a mechanical convection oven for a minimum of 30 minutes at 50 +/-2 C
10、 2. Immediately after removing the specimen from the oven, place it on a 10 incline and drop 5 mL of test fluid onto the hot surface in short intervals within one minute. Wait 5 minutes before proceeding to Step 3. 3. Store the test specimen horizontally at 23 C for the next 24 hours. 4. Repeat the
11、 test twice after intervals of 24 hours by dropping the test fluid onto exactly the same spot each time for a total of three applications of the test fluid. 5. Evaluate the specimen after 72 hours from the conclusion of the third test cycle. The specimen can be washed with mild soap and water using
12、a minimal amount of rubbing to remove any residual test fluid. Note: For dynamic seals, CPSC 01.07.02 or other samples where the fluid will not pool on the sample due to size or shape considerations, the drop method in Step 2 may be replaced by a 5 second immersion followed by a 5 second run off per
13、iod. Use a 100 mm long sample and submerge 50 mm of the length in the test fluid for 5 seconds. Allow excess fluid to run off the sample for 5 seconds before starting Step 3. Evaluation Method A (Coated parts, low visibility) Report any evidence of softening, staining, blistering, loss of paint adhe
14、sion, flaking, chipping, checking, chalking, cracks, splits, sinks, bulges, tackiness, peeling or delamination. Perform paint adhesion test FLTM BI 106-01, Method B. Method B (Appearance items and non-coated parts) Report any evidence of softening, staining, blistering, flaking, chipping, checking,
15、chalking, cracks, splits, sinks, bulges, tackiness, peeling or delamination, change in gloss, milkiness, wrinkling, iridescence, or bloom. Report color change per ISO 105-A02/AATCC Evaluation Procedure 1. Note: For coated appearance items, Method A & B may be specified. Chemicals, materials, parts, and equipment referenced in this document must be used and handled properly. Each party is responsible for determining proper use and handling in its facilities.
