Product Texts
Vydyne 23HST BK0891 is an unfilled, heat-stabilized, lubricated injection-molding PA66 grade exhibiting high-toughness, excellent flow, and fast cycle time. 23HST BK0891 is designed principally for thin part molding such as cable ties and fasteners. This product offers the main benefits of PA66 such as high strength, rigidity, and maintains flame resistance with excellent toughness in cold and dry environments.
General
Additive
Heat Stabilizer, Lubricant, Release agent
Features
Abrasion Resistance, Chemical Resistant, Fast Molding Cycle, Gasoline Resistant, General Purpose, Good Mold Release, Heat Aging Resistant, Heat Stabilized, High Rigidity, High Strength, Low Temperature Toughness, Lubricated, Solvent Resistant, Weatherable
Appearance
Black
Forms
Pellets
Processing Method
Injection Molding
Physical
dry
cond.
Unit
Test Norm
Density
1.14
-
g/cm³
ISO 1183
Molding Shrinkage
ISO 294-4
Across Flow : 23°C, 2.00 mm
1.8
*
%
Flow : 23°C, 2.00 mm
1.8
*
%
Water Absorption
ISO 62
23°C, 24 hr
2.1
*
%
Equilibrium, 23°C, 50% RH
2
*
%
Mechanical
dry
cond.
Unit
Test Norm
Tensile Modulus (23°C)
377099
174046
psi
ISO 527-2
Tensile Stress (Yield, 23°C)
10300
6820
psi
ISO 527-2
Tensile Stress (Break, 23°C)
6960
5950
psi
ISO 527-2
Tensile Strain (Yield, 23°C)
4.7
21
%
ISO 527-2
Tensile Strain (Break, 23°C)
31
>50
%
ISO 527-2
Flexural Modulus (23°C)
421000
160000
psi
ISO 178
Flexural Strength (23°C)
12200
4210
psi
ISO 178
Poisson's Ratio (23°C)
0.38
ISO 527-2
Impact
dry
cond.
Unit
Test Norm
Charpy Notched Impact Strength
ISO 179/1eA
+23°C
5.23
10.9
ftlb/in²
-30°C
2.9
3.52
ftlb/in²
-40°C
2.47
2.81
ftlb/in²
Charpy Unnotched Impact Strength
ISO 179/1eU
+23°C
N
N
ftlb/in²
-30°C
N
N
ftlb/in²
-40°C
N
N
ftlb/in²
Notched Izod Impact Strength
ISO 180/1A
+23°C
4.38
9.04
ftlb/in²
-30°C
4.04
4.33
ftlb/in²
-40°C
2.95
4.04
ftlb/in²
Thermal
dry
cond.
Unit
Test Norm
Heat Deflection Temperature
ISO 75-2/A
1.80 MPa, Unannealed
151
-
°F
0.45 MPa, Unannealed
385
-
°F
Melting Temperature
500
*
°F
ISO 11357-3
CLTE
ISO 11359-2
Flow : 23 to 55°C, 2.00 mm
77
*
E-6/K
Transverse : 23 to 55°C, 2.00 mm
84
*
E-6/K
Electrical
dry
cond.
Unit
Test Norm
Dielectric Strength (1.00 mm)
737
686
kV/in
IEC 60243
Injection
Value
Unit
Drying Temperature
167 - 185
°F
Drying Time
4 - 8
h
Suggested Max Regrind
20
%
Suggested Max Moisture
0.15
%
Rear Temperature
500 - 536
°F
Middle Temperature
518 - 545
°F
Front Temperature
536 - 554
°F
Nozzle temperature
536 - 572
°F
Processing (Melt) Temperature
545 - 572
°F
Mold Temperature
149 - 203
°F