https://www.avient.com/sites/default/files/2022-03/CESA Light Product Selector Guide.pdf
One method is through the use
of stabilizers that react with radicals created from
UV exposure, inhibiting polymer degradation.
The
other method is via UV absorption.
CESA Light
with UVA present absorbs the harmful UV radiation
and dissipates it as harmless thermal energy.
https://www.avient.com/resources/safety-data-sheets?page=5772
MC-11030PP UV CONCENTRATE FOR PP
MC-32484PC RED W/ UV 058-3160
https://www.avient.com/resources/safety-data-sheets?page=4848
ULTIMATE 390
https://www.avient.com/idea/top-3-considerations-uv-barrier-additives-pet-packaging
UV and Light Blocking Additives
|
Packaging
Some UV additives can affect the clarity of clear and transparent PET containers.
Learn more about UV barrier additive options by contacting an expert at Avient today!
https://www.avient.com/products/polymer-additives/laser-marking-additives/colorant-chromatics-uv-laser-marking-technology
Colorant Chromatics™ UV Laser Marking Technology
Colorant Chromatics™ FEP UV Laser Marking (Chinese)
UV Laser Marking Technology for FEP
https://www.avient.com/sites/default/files/resources/TPE_Overmolding_Solutions_for_Engineering_Thermoplastics.pdf
Materials
Temperature, C,
Nozzle/Front/Middle/Rear Mold Temperature, C Injection Hi Pressure, psi
OM1040 430/430/410/390 80 500
OM1060 430/430/410/390 80 600
OM1245 430/430/410/390 80 500
OM1262 430/430/410/390 80 800
OM6050 480/480/460/440 80 1000
OM6065 480/480/460/440 80 1200
B-TPE-35A 450/450/430/410 80 500
B-TPE-50A 450/450/430/410 80 800
B-TPE-65A 450/440/430/420 80 800
B.TPV-55A 480/480/470/460 80 800
B-TPV-55A 525/520/510/490 110 1500
B-TPV-70A 535/530/520/500/ 110 1500
Table 5: Typical Flow lengths achievable with GLS compounds.
Injection
velocity, 5 in/s
OM-1040 360
OM-1060 417
OM-1255 246
OM-1262 379
OM-6050-9 253
OM-6065-9 221
60A S-TPE 329
64A TPV 228
Table 5:
Materials
Temperature, C,
Nozzle/Front/Middle/Rear Mold Temperature, C Injection Hi Pressure, psi
OM1040 430/430/410/390 80 500
OM1060 430/430/410/390 80 600
OM1245 430/430/410/390 80 500
OM1262 430/430/410/390 80 800
OM6050 480/480/460/440 80 1000
OM6065 480/480/460/440 80 1200
B-TPE-35A 450/450/430/410 80 500
B-TPE-50A 450/450/430/410 80 800
B-TPE-65A 450/440/430/420 80 800
B.TPV-55A 480/480/470/460 80 800
B-TPV-55A 525/520/510/490 110 1500
B-TPV-70A 535/530/520/500/ 110 1500
Figure 2: Effect of overmold thickness on surface hardness on TPE products.
0.0
10.0
20.0
30.0
40.0
50.0
60.0
70.0
80.0
90.0
100.0
0 2 4 6 8 10
Thickness, mm
H
ar
dn
es
s,
S
ho
re
A
12
CL2000X
G6713
G7930
G7960
G7980
Adhesion Testing and Results
Design Considerations
Conclusions
https://www.avient.com/resources/safety-data-sheets?page=6823
UV390 MH-1
https://www.avient.com/resources/safety-data-sheets?page=6845
UV390
https://www.avient.com/resources/safety-data-sheets?page=4811
BUZZBALLZ UV390 PROTECTION
https://www.avient.com/sites/default/files/2022-06/Maxxam FR Injection Molding Processing Guide.pdf
Barrel Temperatures
°F (°C) PP
Mineral-Filled
PP
Glass-Filled
PP HDPE LDPE
Rear Zone 360–390(182–200)
400–420
(204–216)
415–435
(213–224)
400–420
(204–216)
370–390
(188–199)
Center Zone 370–400(188–204)
410–430
(210–221)
425–445
(218–229)
410–430
(210–221)
380–400
(193–204)
Front Zone 390–410(200–210)
420–440
(216–227)
435–455
(224–235)
420–440
(216–227)
390–410
(199–210)
Nozzle 400–425(204–219)
415–435
(213–224)
430–450
(221–232)
430–450
(221–232)
400–425
(204–219)
Melt Temperature 400–425(204–219)
415–435
(213–224)
430–450
(221–232)
430–450
(221–232)
400 - 425
(204–219)
Mold Temperature
°F (°C)
60–120
(16–49)
Pack & Hold Pressure 50–75% of injection pressure
Injection Velocity
(in/s) 1.0–3.0
Back Pressure
(psi) 50–100
Screw Speed
(rpm) 30–100
Drying Parameters
Hours @ °F (°C)
Not typically required.