https://www.avient.com/products/long-fiber-technology/long-fiber-technologies/onforce-long-glass-fiber-reinforced-polypropylene-composites
Additive technologies such as custom color, lubrication and UV performance enhancement are also available for further customization.
OnForce™ LFT adds strength and UV resistance in street light arm
https://www.avient.com/industries/healthcare/medical-packaging/diagnostic-kits
UV additives that deliver protection for your light-sensitive products
Functional additives for UV protection, reduction of static electricity buildup, protection against oxidation, and more
https://www.avient.com/products/thermoplastic-elastomers/dynaflex-thermoplastic-elastomers
O-zone and UV resistance
Dynaflex™ G provides durability and UV stability for cooler feet and wagon wheel tread
https://www.avient.com/sites/default/files/2020-09/lubrione-processing-guide.pdf
BASE
RESIN PPA PC PSU PES PPS
CO-
POLYMER
ACETAL
PEEK PA
Barrel Temperatures* °F (°C)
Rear Zone 550–580
(288–305)
520–560
(271–293)
600–640
(316–338)
630–660
(332–338)
550–580
(288–304)
350–370
(177–188)
660–700
(349–371)
440–490
(227–254)
Center Zone 560–600
(293–316)
530–570
(277–299)
620–670
(327–354)
650–680
(343–360)
560–615
(293–324)
380–390
(193–200)
700–730
(371–388)
470–510
(243–266)
Front Zone 580–620
(304–327)
550–580
(288–305)
630–680
(332–360)
670–730
(354–388)
590–630
(310–332)
390–430
(200–221)
720–750
(382–400)
490–540
(254–282)
Nozzle 575–615
(302–324)
550–600
(288–316)
630–680
(332–360)
680–700
(360–371)
600–625
(316–330)
380–415
(193–213)
720–750
(382–400)
520–570
(271–300)
Melt
Temperature
575–615
(302–324)
560–600
(293–316)
625–675
(330–358)
650–710
(343–377)
600–625
(316–330)
370–410
(188–210)
670–740
(354–393)
520–570
(271–300)
Mold
Temperature
250–300
(121–150)
175–240
(80–116)
190–300
(88–150)
225–325
(107–164)
250–325
(121–164)
150–225
(66–107)
290–375
(143–190)
150–200
(66–93)
Pack & Hold
Pressure
50%–75%
of Injection Pressure
Injection
Velocity
in/s
1.0–3.0
Back Pressure
psi 50
Screw Speed
rpm 50–90
Drying
Parameters
°F (°C)
6 hrs @ 175
(80)
4 hrs @ 250
(121)
4 hrs @ 275
(135)
4 hrs @ 300
(150)
4 hrs @ 250
(121)
2 hrs @ 200
(93)
3 hrs @ 300
(150)
4 hrs @ 180
(82)
Allowable
Moisture
%
< 0.05 < 0.02 < 0.02 < 0.04 < 0.02 0.15–0.20 < 0.02 0.10–0.20
Cushion
in 0.125–0.250
Screw
Compression
Ratio
2.5:1–3.5:1 2.0:1–2.5:1 2.5:1–3.5:1 2.5:1–3.5:1 2.5:1–3.5:1 2.5:1–3.5:1 2.5:1–3.5:1 2.5:1–3.5:1
Nozzle
Type
General
General
General
General
General
General
General
Reverse
Taper
Clamp
Pressure 5–6 Tons/in2 of projected area of cavities and runner system
* Barrel temperatures should be elevated for compounds designed for electrical insulative properties.
https://www.avient.com/sites/default/files/2020-09/edgetek-processing-guide.pdf
Base Resin PPA PC PSU PES PPS
Co-
polymer
Acetal
PEEK PA
Barrel Temperatures* °F (°C)
Rear Zone 550–580
(288–305)
550–590
(288–310)
600–640
(316–338)
630–660
(332–338)
550–580
(288–304)
350–370
(177–188)
660–700
(349–371)
440–490
(227–254)
Center Zone 560–600
(293–316)
570–600
(300–316)
620–670
(327–354)
650–680
(343–360)
560–615
(293–324)
380–390
(193–200)
700–730
(371–388)
470–510
(243–266)
Front Zone 580–620
(304–327)
580–630
(304–322)
630–680
(332–360)
670–730
(354–388)
590–630
(310–332)
390–430
(200–221)
720–750
(382–400)
490–540
(254–282)
Nozzle 575–615
(302–324)
580–630
(304–322)
630–680
(332–360)
680–700
(360–371)
600–625
(316–330)
380–415
(193–213)
720–750
(382–400)
520–570
(271–300)
Melt
Temperature
575–615
(302–324)
580–625
(304–330)
625–675
(330–358)
650–710
(343–377)
600–625
(316–330)
370–410
(188–210)
670–740
(354–393)
520–570
(271–300)
Mold
Temperature
250–300
(121–150)
175–240
(80–116)
190–300
(88–150)
225–325
(107–164)
250–325
(121–164)
190–250
(88–121)
290–375
(143–190)
150–200
(66–93)
Pack & Hold
Pressure
50%–75%
of Injection Pressure
Injection
Velocity
in/s
1.0–3.0
Back Pressure
psi 50
Screw Speed
rpm 50–90
Drying
Parameters
°F (°C)
6 hrs @ 175
(80)
4 hrs @ 250
(121)
4 hrs @ 275
(135)
4 hrs @ 250
(121)
3 hrs @ 300
(150)
2 hrs @ 200
(93)
3 hrs @ 275
(135)
4 hrs @ 180
(82)
Cushion
in 0.125–0.250
Screw
Compression
Ratio
2.5:1–3.5:1 2.0:1–2.5:1 2.5:1–3.5:1 2.5:1–3.5:1 2.5:1–3.5:1 2.5:1–3.5:1 2.5:1–3.5:1 2.5:1–3.5:1
Nozzle
Type
General
General
General
General
General
General
General
Reverse
Taper
Clamp
Pressure 5–6 Tons/in2 of projected area of cavities and runner system
* Barrel temperatures should be elevated for compounds designed for electrical insulative properties.
https://www.avient.com/sites/default/files/2021-02/2021-medical-devices-selection-guide.pdf
RE SOURC E S
MEDICAL EQUIPMENT THAT’S EQUIPPED
TO PERFORM
Your medical equipment needs to be durable and properly perform every time.
https://www.avient.com/sites/default/files/resources/NOVEL_THERMOPLASTIC_ELASTOMERS_FOR_UNIVERSAL_OVERMOLDING_ON_DISSIMILAR_THERMOPLASTICS.pdf
Figure 1
Surface energy of various thermoplastic elastomers with rigid thermoplastics
Engineering
Plastics
Polyamide 6,6
ABS
Polycarbonate
Acrylic
Polystyrene
Polypropylene
Polyethylene
Elastomers
COPA
TPU
COPE
S-TPE
TPV
mPE
Surface
Energy (mN/m)
46
43
40
37
34
31
28
Figure 2
Schematic diagram of the peel test
Table I
Physical property of TPE-1
Shore A Hardness (10 second delay) 44
Specific Gravity (g/cm3) 0.90
Color Natural
300 % Modulus (PSI) 348
Tensile Strength (PSI) 603
Elongation at Break (%) 598
Tear Strength (lbf/in) 110
Table II
Adhesion value of TPE-1 on different substrates
Substrate
Average Peel Strength
(lbf) Failure Type
PP 17 Cohesive
Copolyester 13 Adhesive
PET 13 Adhesive
PPE/HIPS 18 Adhesive
PMMA 15 Adhesive
PS 18 Adhesive
PC 17 Adhesive
PC/ABS 14 Adhesive
HIPS 13 Adhesive
ABS 13 Adhesive
Table III
Properties and peel strength of TPE-2 materials
15.37Nylon
11.16.5POM
227Polyester
22.619PC/ABS
24.5-ABS
20.828PP
Peel Strength (PIL)
713721Tensile Elongation (%):
10811010Tensile Strength (psi):
5651Hardness:
BA
15.37Nylon
11.16.5POM
227Polyester
22.619PC/ABS
24.5-ABS
20.828PP
Peel Strength (PIL)
713721Tensile Elongation (%):
10811010Tensile Strength (psi):
5651Hardness:
BA
Figure 3
Capillary viscosity of TPE-1 and -2 at 200°C
1.00E+00
1.00E+01
1.00E+02
1.00E+03
1.00E+01 1.00E+02 1.00E+03 1.00E+04 1.00E+05
Shear rate (1/sec)
Vi
sc
os
ity
(P
a*
se
c)
TPE-1 TPE-2A TPE-2B
GLS Corporation
Abstract
Introduction
Experimental
Material
Two classes of “universal overmolding TPEs” have been developed and used in this study.
https://www.avient.com/sites/default/files/resources/PolyOne%2520India%2520Terms%2520and%2520Conditions%2520of%2520Sale%2520of%2520Products.May%25202016.pdf
Seller has
based any recommendations to Buyer for the use of the Product upon
information that Seller considers reliable, but Seller makes no warranty as to
any results Buyer might obtain in Buyer’s use(s) for the Product.
https://www.avient.com/industries/healthcare/medical-packaging/nutraceutical-packaging
UV additives that deliver protection for light sensitive products
UV and Light Blocking Additives
https://www.avient.com/industries/healthcare/medical-packaging/pharmaceutical-packaging
Packaging that protects against ultraviolet (UV) light and moisture can help extend the shelf life while contributing to more accurate dosing.
Functional additives to deliver UV protection, slip/torque reduction, oxidation protection, improved clarity, and more