APRIL 2024
www.DME.net
DME Hot Runner Technology Selection Guide
GENERIC POLYMER NAME (TRADE NAME) [A=AMORPHOUS or C=CRYSTALLINE] NOTE:THE CHART BELOW SHOWS COMMODITY RESINS IN ORANGETYPE; ALL OTHERS ARE ENGINEERING RESINS.
The values expressed in grams are for reference only and are determined by using a nominal wall thickness of 1.8mm (.070") and unfilled poly- propylene Part dimension, wall thickness, length of fill within part, mold conditions and molding param- eters must also be considered. NOTE: If flame retardant is present in the desired resin grade, please contact DME for product suitability or application guid- ance.
Resin Application Key Good Contact DME
Not recommended
Flow Capacity
(Grams)
Polymer Viscosity Key L=Low M=Medium H=High
Recommended Gate Diameter Range
Viscosity
Max (inch) 0.125 0.100 0.125 0.100 0.187 0.125 0.187 0.125 0.312 0.175 0.187 0.175 0.160 0.060 0.125 0.062 0.125 0.125 0.100 0.100 0.187 0.125 0. 312 0. 175 0.175
Low MFI-16
Medium MFI 7-16
High MFI .02-7 LLHMHMLMHMMMHHMLHHHHHHHLHHMHHLLHHHM
NOZZLES
Min (mm) Max (mm) Min (inch)
TIP
Sprue Tip
2.0 0.7 2.0 0.7 3.2 0.7 3.2 0.7 4.7 3.2 4.7 3.2 4.1 1.5 3.2 1.6 3.2 2.0
3.1 2.5 3.1 2.5 4.7 3.1 4.7 3.1 7.9 4.4 7.9 4.4 4.1 1.5 3.2 1.6 3.2 3.1 2.5 2.5 4.7 3.1 7.9 4.4 4.4
0.080 0.028 0.080 0.060 0.125 0.028 0.125 0.060 0.187 0.125 0.187 0.125 0.160 0.060 0.125 0.062 0.125 0.080 0.050 0.060 0.125 0.050 0. 187 0.1 25 0.125
625 200 625 200
475 150 475 150 750 200 750 200
315 100 315 100 450 150 450 150 750 400 750 400 300
Hot One 250 Series (Coil Heater) Hot One 250 Series (Cast-in Heater) Hot One 375 Series (Coil Heater) Hot One 375 Series (Cast-in Heater) Hot One 625 Series (Coil Heater) Hot One 625 Series (Cast-in Heater)
Standard Point Gate Tip
Sprue Tip
Standard Point Gate Tip
Sprue Tip
1000
Standard Point Gate Tip
310
Sprue Tip
1000
Standard Point Gate Tip
310
Sprue Tip
1500
1100
Standard Point Gate Tip
800
550
Sprue Tip
1500
1100
Standard Point Gate Tip S-Series & T-Series
800 700 300 500 300 500 700 250 250
550 500 150 300 150 300 500 175 175 800 250
E-Series
50
Radius Hot Sprue Bushing
ER-Series & TR-Series High Performance Series
200
50
Sprue Tip
200 350 125 125 500 200 850 500 500
D-MAX 250 Series High Performance D-MAX 375 Series High Performance D-MAX 625 Series High Performance
Standard Point Gate Tip
Wear Resistant Point Gate Tip 1.3
Sprue Tip
1.5 3.2
Standard Point Gate Tip
1100
Wear Resistant Point Gate Tip 1.3
350
Sprue Tip 250 Series
1. 7 3.0 3.0
1600
1200
650
90 0
High Performance
900
650
Available only as a DME Designed and Manufactured Manifold & Components or Fully Assembled and Wired Hot Half
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