https://www.avient.com/sites/default/files/2022-10/PREPERM Automotive Application Bulletin.pdf
Low and stable εr
• Ultra-low loss
• Low water absorption
• Hydrolysis resistant
• Excellent impact strength
• Mass production friendly
APPLICATION BULLETIN
A PREPERM radome grade gives you
a longer and wider scanning range
compared to common resins.
40 m
Comparison of PREPERM radome grade and common resin at 24 GHz and 79 GHz bands
Common Resin
Common Resin
PREPERM™ RB260
PREPERM™ RB260
PARAMETER PBT+GF PEI PREPERM
RADOME GRADE
ELECTRICAL εr @ 77 GHz 3.5–4.2 3.1 2.6
Tan @ 77 GHz 0.03 0.003 0.003
Isotropic @ 77 GHz No Yes Yes
MECHANICAL Impact strength
-20°C/+23°C notched izod 6kJ/m2/6kJ/m2 6kJ/m2/6kJ/m2 25kJ/m2/35kJ/m2
Elongation @ break 3% 40% 22%
Brittleness Yes Yes No
THERMAL Max use temp (HDT) 200–220°C 190–200°C 150–180°C
Inherent
flammability HB V0 V1 to V0
ENVIRONMENTAL Water absorption 0.4% 1.25% 0.2%
Chemical resistance Good Excellent Good
Hydrolysis resistant Specific Grade Yes Yes
MANUFACTURING Batch-to-batch
consistency Limited Excellent Excellent
Moldability Excellent Good Good
Abrasive Yes No No
Mold shrinkage Inconsistent,
warpage issue Homogenous Homogenous
Raw material price Low High Moderate
Copyright © 2022, Avient Corporation.
https://www.avient.com/sites/default/files/2020-10/2020-gravi-tech-processing-guide.pdf
Base Resin ABS PA PBT PC PE PEEK PP PPS
Barrel Temperatures °F (°C)
Rear Zone 400–475
(200–250)
480–540
(248–282)
480–520
(250–270)
480–570
(250–300)
400–445
(200–230)
660–700
(350–475)
400–440
(200–225)
520–600
(270–300)
Center Zone 410–480
(205–253)
490–550
(254–287)
485–525
(251–273)
500–580
(260–305)
410–455
(207–237)
670–710
(357–385)
410–450
(205–230)
550–610
(285–310)
Front Zone 420–490
(210–257)
500–560
(260–293)
490–530
(254–276)
515–590
(267–310)
420–465
(213–243)
680–720
(363–400)
420–455
(215–235)
570–620
(300–320)
Nozzle 425–500
(215–260)
530–600
(275–315)
700–730
(370–395)
430–460
(220–240)
610–620
(320–325)
Melt Temperature 425–515
(215–270)
530–615
(275–325)
430–495
(220–260)
700–725
(370–385)
610–635
(320–335)
Mold Temperature 140–200
(60–90)
150–300
(65–148)
140–280
(60–137)
160–240
(70–115)
300–400
(150–200)
190–300
(90–150)
Drying Parameters
190 (90)
2–4 Hours
0.01%–0.15%
180 (82)
4–5 Hours
0.10%–0.20%
275 (135)
0.02%–0.04%
250 (125)
0.02%
300 (150)
0.10%
280 (135)
2–3 Hours
0.01%–0.20%
Nozzle Type General Purpose Nylon or
Reverse Taper General Purpose General Purpose General Purpose General Purpose General Purpose General Purpose
Injection Velocity1 2–5 in/sec; 50–127 mm/sec
Injection Pressure Medium to high (may range from 1,000–4,000 psi; 7-28 Mpa)
Back Pressure 50–100 psi; 0.3–0.7 Mpa
Screw Speed 25–75 RPM
Cushion 0.125–0.250 in; 3–6 mm
Screw Compression Ratio2 2.0:1–2.5:1
Processing Guide 3
Base Resin ABS PA PBT PC PE PEEK PP PPS
Barrel Temperatures °F (°C)
Rear Zone 400–475
(200–250)
480–540
(248–282)
480–520
(250–270)
480–570
(250–300)
400–445
(200–230)
660–700
(350–475)
400–440
(200–225)
520–600
(270–300)
Center Zone 410–480
(205–253)
490–550
(254–287)
485–525
(251–273)
500–580
(260–305)
410–455
(207–237)
670–710
(357–385)
410–450
(205–230)
550–610
(285–310)
Front Zone 420–490
(210–257)
500–560
(260–293)
490–530
(254–276)
515–590
(267–310)
420–465
(213–243)
680–720
(363–400)
420–455
(215–235)
570–620
(300–320)
Nozzle 425–500
(215–260)
530–600
(275–315)
700–730
(370–395)
430–460
(220–240)
610–620
(320–325)
Melt Temperature 425–515
(215–270)
530–615
(275–325)
430–495
(220–260)
700–725
(370–385)
610–635
(320–335)
Mold Temperature 140–200
(60–90)
150–300
(65–148)
140–280
(60–137)
160–240
(70–115)
300–400
(150–200)
190–300
(90–150)
Drying Parameters
190 (90)
2–4 Hours
0.01%–0.15%
180 (82)
4–5 Hours
0.10%–0.20%
275 (135)
0.02%–0.04%
250 (125)
0.02%
300 (150)
0.10%
280 (135)
2–3 Hours
0.01%–0.20%
Nozzle Type General Purpose Nylon or
Reverse Taper General Purpose General Purpose General Purpose General Purpose General Purpose General Purpose
Injection Velocity1 2–5 in/sec; 50–127 mm/sec
Injection Pressure Medium to high (may range from 1,000–4,000 psi; 7-28 Mpa)
Back Pressure 50–100 psi; 0.3–0.7 Mpa
Screw Speed 25–75 RPM
Cushion 0.125–0.250 in; 3–6 mm
Screw Compression Ratio2 2.0:1–2.5:1
Comments
1.
https://www.avient.com/sites/default/files/2024-04/LubriOne Internally Lubricated Formulations PTFE Free Series Product Bulletin.pdf
KEY CHARACTERISTICS
• Excellent wear resistance
• Reduced friction, heat build-up, noise
& vibration
• Improved processability & surface finish
on parts
• Lower power requirements & low
maintenance
• Reduced tool contamination and corrosion
• Reduction in lubricant migration time
• Design flexibility
• Reduced weight
• Chemically resistant
MARKETS & APPLICATIONS
Ideal for applications in many industries including
transportation, industrial, household, electrical
and electronics including:
• Transportation – Fuel flap axis, interior door
handle axis, gears, seat mechanics, sun-roof
sliding mechanisms, side mirror parts
• Industrial – Conveyor belt gears, pulleys
• Household – Window/door runners, furniture
parts, hinges
• Electrical and electronics – Electrical plug
safety parts, printers, barcode scanners
PRODUCT BULLETIN
EUROPE GRADES
ASIA GRADES
Material Name Base Resin Reinforcing Filler Lubricating Filler
LubriOne LB6000-5024 RS HI natural
PA6
GF10 UHMWPE
Lubrione LB6000-5021 RS S1 GF30 UHMWPE
Lubrione LB6000-5021 RS X2 GF30 UHMWPE
LubriOne LB6000-5019 X1 black GF50 UHMWPE
LubriOne LB6700-5001 RS AF black PA6/PA66 GF50 UHMWPE
LubriOne NN-000/01M black SO
PA66
Unfilled MoS2
LubriOne REC LB6600-5030 RS grey GF33 Graphite
LubriOne LB3300-5010 RS natural
PBT
GF20 UHMWPE
LubriOne LB3300-5005 RS natural MI20 UHMWPE
LubriOne REC LB3220-5001 RS C natural X1 PC GF10 UHMWPE
LubriOne LB8900-5010 GP grey
PKE
Unfilled Graphite
LubriOne LB8900-5006 RS PE natural GF20 UHMWPE
LubriOne LB8900-5004 RS PE natural GF30 UHMWPE
LubriOne LB4200-5022 black
POM
Unfilled MoS2
LubriOne LB4200-5023 natural Unfilled UHMWPE
LubriOne LB9200-5012 RS PE natural PPS GF30 UHMWPE
Material Name Base Resin Reinforcing Filler Lubricating Filler
LubriOne LB6600-8056 LB BK001
PA66
Unfilled LDPE
LubriOne LB6600-8054 RS BK001 CF30 LDPE
LubriOne LB6600-8052 RS BK001 GF30 LDPE
LubriOne LB4200-8032 RS NC001
POM
GF30 LDPE
LubriOne LB4200-8030 AR NC001 AF10 LDPE
LubriOne LB4200-8026 LB BK001 Unfilled LDPE+HDPE
LubriOne LB3200-8022 LB BK001
PC
Unfilled UHMWHDPE
LubriOne LB3200-8021 RS BK001 GF30 UHMWHDPE
LubriOne LB7600-8008 RS BK001 PPO GF20 UHMWHDPE
Copyright © 2024, Avient Corporation.