Astmc864 05
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astmC864-05
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12
Designation: C
Standard Spec
1 /3
Dense Elasto
Blocks, and
This standard is issued und
original adoption or, in the
superscript epsilon (e
) indic
1. Scope
1.1 This specication covers pre
compression gaskets and accessori
compression gaskets and accessori
glazing applications. These material
or serve as components of compre
tween mechanically restrained surf
tions.
1.2 Test Method C 1166, as refer
should be used to measure and
materials, products, or assemblies
ame under controlled laboratory
used to describe or appraise the
materials, products, or assemblies
However, results of this test may
risk assessment which takes into
which are pertinent to an assessm
particular end use.
1.3 The following precautionary
the test method portion, Section
standard does not purport to addres
if any, associated with its use. It is
of this standard to establish appr
practices and determine the applica
practices and determine the applica
tions prior to use.
1.4 The committee with jurisdicti
aware of any comparable standard
nizations.
2. Referenced Documents
2.1 ASTM Standards: 2
C 717 Terminology of Building
1
This specication is under the jurisdicti
Building Seals and Sealants and is the direct
on Compression Seal and Lock-Strip Gaskets.
Current edition approved May 1, 2005.
approved in 1977. Last previous edition appro
2
For referenced ASTM standards, visit
contact ASTM Customer Service at service@a
Standards volume information, refer to the stan
the ASTM website.
Copyright ASTM International, 100 Barr Harbor
Copyright by ASTM Int'l (all rig
Reproduction authorized per Lic
5. Physical Properties
5.1 The physical properties of
the requirements specied in Table
6. Dimensional Tolerances
6.1 Permissible variations in all
shall be as specied in Table 2 unl
shall be as specied in Table 2 unl
between the purchaser and the supp
7. Signicance and Use
7.1 Flame Propagation:
7.1.1 This specication has two
7.1.1.1 Option IFlame propag
7.1.1.2 Option IIFlame propag
7.1.2 In case no option is speci
8. Sampling
8.1 Samples for testing shall
product whenever possible.
8.2 When the thickness or shap
makes it impossible to obtain the
the various methods, the manufactu
the purchaser at the time of ord
number of test slabs, strips or bloc
with Practice D 3182, for the
required tests. The slabs or blocks
same production lot of compound
same production lot of compound
is used for the gasket.
9. Test Methods
9.1 HardnessTest Method D
either a nished surface, a squarely
TABLE 1 Elast
Properties
Hardness, nominal Shore A durometer6 5,
specied by the purchaser
Compression set, 22 h @ 100C (212F), ma
Ozone resistance, 100 mPa, 100 h @ 40C
(104F), 20 % elongation
Tensile strength, min, MPa (psi)
Elongation at rupture, min, %
Heat aging, 70 h, 100C (212F):
Hardness increase, max durometer points
Change in tensile strength, max, %
Change in elongation, max, %
Tear strength, min, kN/m (lbf/in.)
Brittleness temperature, max, C
Nonstaining
Nonstaining
Flame propagation
Option I
Option II
Copyright by ASTM Int'l (all rig
Reproduction authorized per Lic
NOTE 1Dimensional tolerances for
extrusion.
RMA Class
Drawing Designation
Dimensions (in inches)
Above
0
0.06
0.10
0.16
0.25
0.39
0.63
0.98
1.57
2.48
A
Up
0.06
0.10
0.16
0.25
0.39
0.63
0.98
1.57
2.48
3.94
Adapted from Rubber Manufacturers Asso
ASTM International takes
in this standard. Users of
of infringement of such righ
This standard is subject
if not revised, either reappro
and should be addressed
responsible technical comm
make your views known
This standard is copyrigh
United States. Individual
address or at 610-832-95
(www.astm.org).
Copyright
by ASTM
Int'lper
(allLic
rig
Reproduction
authorized
78
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