geloy ™ resin cr7020
si
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americas: commercial
asa copolymer. profile/sheet coextrusion over abs. excellent weatherability, good flow/aesthetics and high impact.
property
typical properties (1)
mechanical
value
unit
standard
tensile stress, yld, type i, 50 mm/min
420
kgf/cm²
astm d 638
tensile stress, brk, type i, 50 mm/min
350
kgf/cm²
astm d 638
tensile strain, brk, type i, 50 mm/min
40
%
astm d 638
tensile modulus, 50 mm/min
18200
kgf/cm²
astm d 638
flexural stress, yld, 1.3 mm/min, 50 mm span
590
kgf/cm²
astm d 790
flexural modulus, 1.3 mm/min, 50 mm span
18200
kgf/cm²
astm d 790
hardness, rockwell r
86
-
astm d 785
impact
value
unit
standard
izod impact, notched, 23°c
32
cm-kgf/cm
astm d 256
izod impact, notched, -30°c
5
cm-kgf/cm
astm d 256
gardner impact (procedure b)
1088
cm-kgf/cm
astm d 4226
instrumented impact total energy, 23°c
259
cm-kgf
astm d 3763
thermal
value
unit
standard
vicat softening temp, rate b/50
99
°c
astm d 1525
hdt, 0.45 mpa, 3.2 mm, unannealed
87
°c
astm d 648
hdt, 1.82 mpa, 3.2mm, unannealed
76
°c
astm d 648
hdt, 1.82 mpa, annealed
95
°c
astm d 648
hdt, 0.45 mpa, 6.4 mm, unannealed
90
°c
astm d 648
hdt, 1.82 mpa, 6.4 mm, unannealed
79
°c
astm d 648
cte, -40°c to 40°c, flow
8.64e-05
1/°c
astm e 831
cte, -40°c to 40°c, xflow
9.18e-05
1/°c
astm e 831
cte, -30°c to 0°c, flow
8.46e-05
1/°c
astm e 831
cte, 0°c to 100°c, flow
9.e-05
1/°c
astm e 831
relative temp index, elec
50
°c
ul 746b
relative temp index, mech w/impact
50
°c
ul 746b
relative temp index, mech w/o impact
50
°c
ul 746b
physical
value
unit
standard
specific gravity
1.06
-
astm d 792
water absorption, equilibrium, 23c
0.55
%
astm d 570
mold shrinkage, flow, 3.2 mm (5)
0.5 - 0.7
%
sabic method
melt flow rate, 220°c/10.0 kgf
7
g/10 min
astm d 1238
melt flow rate, 260°c/5.0 kgf
13
g/10 min
astm d 1238
optical
value
unit
standard
gloss, untextured, 60 degrees
95
-
astm d 523
electrical
value
unit
standard
surface resistivity
>1.e+15
ohm
astm d 257
dielectric strength, in oil, 3.2 mm
15.9
kv/mm
astm d 149
relative permittivity, 50/60 hz
5.2
-
astm d 150
relative permittivity, 1 mhz
3.21
-
astm d 150
dissipation factor, 50/60 hz
0.15
-
astm d 150
dissipation factor, 1 mhz
0.026
-
astm d 150
hot wire ignition {plc)
3
plc code
ul 746a
high ampere arc ign, surface {plc}
0
plc code
ul 746a
comparative tracking index (ul) {plc}
0
plc code
ul 746a
flame characteristics
value
unit
standard
ul recognized, 94hb flame class rating (3)
1.49
mm
ul 94
uv-light, water exposure/immersion
f2
-
ul 746c
source gmd, last updated:1999/03/29
processing
parameter
profile extrusion
value
unit
drying temperature
80 - 90
°c
drying time
3 - 6
hrs
drying time (cumulative)
12
hrs
minimum moisture content
0.02
%
melt temperature
225 - 255
°c
barrel - zone 1 temperature
205 - 215
°c
barrel - zone 2 temperature
215 - 230
°c
barrel - zone 3 temperature
220 - 240
°c
barrel - zone 4 temperature
225 - 245
°c
adapter temperature
225 - 245
°c
die temperature
225 - 245
°c
calibrator temperature
15 - 65
°c
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