Table 1
Div.
Application
Deterioration(*1)
C onditioning
Application
Treatment
Examples
1 M aterials
Hold in a 100
Hold in a 21
Instrument
exposed to high
constant
2 M aterials other
Hold in a 80
Seat covering,
than 1
constant
Roof lining,
temperature bath
Door lining,
for 0(*2), 50, and
Seat foaming,
100 hours.
Sun visor,
Side lining,
Floor insulator
etc.
3 M aterials
Hold in a 50 x
where
95% RH thermo-
flammability is
hygrostat for 0(*2),
required
50, and 100 hours.
Notes: (*1) If the burning rate continues to increase after 100 hours of deterioration treatment, the treatment time shall be extended until it is confirmed that the burning rate has reached saturation or shows a decrease within 336 hours. The times of plottings within the extension period shall be set so that the plots clearly show the burning trend. (*2) Deterioration treatment for 0 hours means conditioning only. 2.4 Number of Test Pieces The number of test pieces shall be ten for each test, as a rule.
Passenger-com partm ent space
1 2 .7
A Bonded B Test m aterial: A +B
A Bonded
B
1 2 .7
ANon-bonded B Bonded
1 2 .7
Test m aterial: A +B
C
Cut
Test m aterial: A & B +C
2. TESTING CONDITIONS 2.1 Standard Condition of Testing Laboratory The standard condition of a testing laboratory shall, as a rule, be 21oC (70o F) and 50% relative humidity. However, if it is difficult to maintain the testing laboratory in standard condition, the temperature may be 20 + 2oC and a relative humidity, 55 5%. In this case, the test temperature and the relative humidity shall be recorded on the test results sheet. Remarks: A test may be done in other condition of temperature and relative humidity than the specified one, if it is confirmed that the test results are correlated with those in the specified condition, and if HONDA's approval is obtained. 2.2 Preparation of Test Piece 2.2.1 If the thickness of non-metallic automobile interior materials does not exceed 12.7 mm, the thinnest part of the material shall be cut as a test piece. If the material thickness exceeds 12.7 mm, cut the material so that the thickness is not more than 12.7 mm and so that the surface facing the passengercompartment space side is included.
2.2.4 If the width and the length of a test piece available from the product are less than those specified in 2.2.2, the test piece shall be of the largest possible width and/or length. If the width or length is not sufficient for preparing a satisfactory test piece, a piece of the same material and thickness as the product cut to 100 mm x 356 mm may be used as a test piece. 2.2.5 For materials having direction of their properties, cut a test piece in the direction that will provide the most adverse test results. 2.2.6 For seat belts and tubes, cut to 356 mm long to make a test piece. 2.2.7 For products having two or more colors, select the color which is most adverse for testing.
P assenger-com partm ent space
A
A
A N on-bonded
1 2 .7
1 2 .7
B Test m aterial: A
Test m aterial: A Cut
Test m aterial: A and B
2.2.1.2 A composite non-metallic material (non-metallic material which is bonded to other material(s) at all points of contact) shall be prepared as a composite non-metallic material. Remarks: A material fused to other material(s) at every contact point is regarded as bonded material even if adhesives are not used, and sampled as a composite non-metallic material.
2.3 Deterioration Treatment and Conditioning of Test Pieces
Before testing, each test piece shall be subject to the deterioration treatment and conditioning as specified in Table 1. Perform tests immediately after conditioning of the test pieces.
2.2.1.1 A single non-metallic material (non-metallic material which is not bonded to any other material at any point of contact) shall be prepared by itself.
(70 F) x 50% panel
temperature in
temperature bath RH condition at
covering,
compartment
for 0(*2), 50, and least for 24
Defroster
100 .
hours.
garnish, etc.
Remarks: "A + B" and "B + C" are composite non-metallic materials. 2.2.2 Test pieces of 100 mm (4 inches) wide and 356 mm (14 inches) long, as a rule, shall be cut from a product. 2.2.3 When it is not possible to obtain a flat test piece from a product because of surface curvature, the test piece shall be cut from the part with the least curvature. Thickness shall not be more than 12.7 mm at any point of the test piece. If the curvature is too large to provide a satisfac-tory test piece, the test may be done using the test pieces of 100 mm x 356 mm which are the same material and the same thickness as the product.