ASTM F1265-90(1994)e1

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e1
Designation: F 1265 – 90 (Reapproved 1994)
Standard Test Method for
Resistance to Impact for Resilient Floor Tile
This standard is issued under the fixed designation F 1265; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
e NOTE—Keywords were added editorially in September 1994.
1. Scope 5.1.2 Steel Ball, 1-in. (2.54-cm diameter) weighing 0.143 6
0.002 lb (0.065 6 0.001 kg) shall be used for testing ⁄8 (0.317
1.1 This test method is intended for use in determining the
cm) and thinner floor covering; and a 1-in. (2.54 cm) diameter
resistance to impact of resilient non-textile floor coverings such
steel cylinder weighing 0.350 6 0.005 lb (0.159 6 0.002 kg)
as vinyl composition and asphalt tile.
shall be used and having a hemispherical end, for testing ⁄16 in.
2. Referenced Documents (0.476 cm) and ⁄4 in. (0.635 cm) material.
5.1.3 Slotted Tube, graduated in ⁄4 in. (0.635 cm) divisions,
2.1 ASTM Standards:
about 20 in. (50.8 cm) in height and of sufficient size to permit
F 141 Terminology Relating to Resilient Floor Coverings
the weight to fall through it freely, is mounted vertically over
2.2 Other Standard:
the specimen support so as to guide the freely falling weight to
Federal Test Method Standard No. 501a, Method 3311.
the center of the circle formed by the three balls.
3. Terminology
5.2 Zinc Oxide Paste, made by mixing powdered zinc oxide
with water to form a thin paste.
3.1 Definitions are in accordance with Terminology F 141
unless otherwise indicated.
6. Test Specimen
4. Significance and Use
6.1 The specimen shall consist of a 6-in. by 6-in. (15 cm by
15 cm) portion of the test unit.
4.1 Resilient floor tile is subjected to impacts from objects
6.2 Condition specimens in accordance with Federal Test
that may be inadvertently dropped in the course of normal use.
Method Standard No. 501a, Method 1041.
It is not possible to know all of the factors related to the
dropped objects (shape, weight, height of drop) or the condi-
7. Procedure
tion of the environment in which the tile is located (types of
7.1 The height from which the weight is dropped and the
subfloor, degree of adhesion to subfloor, temperature). There-
number of times the weight is dropped shall be as specified in
fore, this test method can only provide a relative measure of
the detailed specification.
resistance of resilient floor tile to impact.
7.2 Spread a thin coating of zinc oxide paste over the center
5. Apparatus
of the wearing surface of the specimen so as to form a circle 3
6 ⁄8 in. (7.62 6 0.317 cm) in diameter. With the coated side
5.1 Impact Testing Apparatus, consisting essentially of a
down, immediately center the specimen over the three balls
specimen support, weights, and a device for guiding a freely
attached to the specimen support so that the falling weight will
falling weight. A suitable apparatus is shown in Fig. 1.
strike the specimen at the center. Drop the required weight,
5.1.1 Specimen Support, consisting of three steel balls, each
5.1.2, freely through the guide tube from the specified height
1 in. in diameter, equally spaced over a rigid steel base so that
the specified number of times, 7.1, so that it will strike the
a circle drawn through the center of the balls is 5 in. in
specimen at the center. Carefully return the specimen to its
diameter. The three balls shall be firmly attached to the base
original position after each drop. After the final drop, remove
plate and the balls
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