Sunday, November 26, 2023
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Injection Molding Materials

Injection molding materials paired with advanced technologies provide solutions for any application.
PTJ TECH provides hundreds of injection molding materials solutions, with a few proprietary materials engineered right within their facilities. Many material offerings are tied in with a specific technology due to the nature of the manufacturing processes. Below, the materials (which are often indicated by the technology they are married to) have been categorized into model/ prototype parts and functioning durable parts capable of meeting production requirements. It is best to consult with our Project Engineers if your material requires regimented standards and for further specifications.

Fine Feature Detail

  1. PolyJet Standard & PolyJet HD
  2. PolyJet Flex & PolyJet Over-Mold
  3. Stereolithography (SLA) & High Definition Stereolithography (HDSL)
  4. ID-Light™

High Temperature

  1. Selective Laser Sintering – PEEK and FR 106 materials
  2. Fused Deposition Modeling – ULTEM
  3. CNC Machining

Functional & Durable

  1. Thermoplastics, Urethanes, Nylon & Nylon Composites, Metals
  2. Selective Laser Sintering (SLS) – Nylon 12 and Nylon 11 Materials
  3. Fused Deposition Modeling (FDM) – ABS and PC-ABS thermoplastics
  4. Additive Metal Manufacturing (AMM), Direct Metal Laser Sintering (DMLS) – Stainless Steel, Inconel, Cobalt Chrome
  5. CNC Machining
  6. QuantumCast™ Advanced Cast Urethanes

Production

  1. Selective Laser Sintering – PEEK and NyTek
  2. Additive Metal Manufacturing (AMM), Direct Metal Laser Sintering (DMLS)
  3. Fused Deposition Modeling – PC-ABS, ULTEM
  4. QuantumCast Advanced Cast Urethanes
  5. Composites
  6. plastic mold manufacturing and Injection Molding

PTJ TECH can work with any production injection molding materials you require. A selection of the most common materials we work with is shown below:

DescriptionTensile YieldFlexural StrengthFlexural ModulusIzod Impact StrengthHeat DeflectionDensity
(0.125 in2)(Notched)Under Load
ABSCommon thermoplastic with good impact resistance and toughness.6,500 psi11,700 psi380,000 psi5.5 ft-lb/in190°F0.0379 lb/in3
(45 MPa)(80 MPa)(2,620 MPa)(292 J/m)(88°C)(1.05 g/cc)
Polypropylene
PP		Thermoplastic polymer used for a wide number of applications.4,900 psi26,100 psi210,000 psi0.6 ft-lb/in219°F0.0324 lb/in3
(35 MPa)(180 MPa)(1,450 MPa)(32 J/m)(102°C)(0.90 g/cc)
Polyoxmethylene
(POM)		Dimensionally stable thermoplastic with high stiffness and low friction.10,000 psi14,000 psi450,000 psi1.41 ft-lb/in216°F0.0513 lb/in3
(70 MPa)(100 MPa)(3,100 MPa)(75 J/m)(102°C)(1.42 g/cc)
PolycarbonateThermoplastic material with good temperature resistance and impact strength.9,000 psi18,000 psi340,000 psi15 ft-lb/in290°F0.0434 lb/in3
(62 MPa)(124 MPa)(2,335 MPa)(795 J/m)(143°C)(1.20 g/cc)
Polycarbonate / ABSBlend of PC and ABS that creates strong parts for a variety of applications.8,000 psi13,000 psi370,000 psi13 ft-lb/in202°F0.0415 lb/in3
(55 MPa)(90 MPa)(2,550 MPa)(689 J/m)(94°C)(1.15 g/cc)
PVCPVC is a polymer with good insulation properties, high hardness, and good mechanical properties.4,500 psi7,150 psi275,000 psi15 ft-lb/in226°F0.0487 lb/in3
(31 MPa)(50 MPa)(1,900 MPa)(795 J/m)(108°C)(1.35 g/cc)
NylonPolymer material that is durable with high elongation and good abrasion resistance.8,400 psi9,430 psi175,000 psi2.1 ft-lb/in190°F0.0411 lb/in3
(58 MPa)(65 MPa)(1,200 MPa)(111 J/m)(88°C)(1.14 g/cc)
Nylon 30% Glass FiberPolymer with excellent mechanical stiffness and elevated temperature resistance.18,000 psi29,000 psi900,000 psi2.5 ft-lb/in380°F0.0498 lb/in3
(125 MPa)(200 MPa)(6,200 MPa)(133 J/m)(193°C)(1.38 g/cc)
Acrylic
(PMMA)		Material with resistance to breakage often used for transparent applications.9,400 psi8,500 psi250,000 psi1.0 ft-lb/in181°F0.0422 lb/in3
(65 MPa)(58 MPa)(1,725 MPa)(53 J/m)(83°C)(1.17 g/cc)
StyreneLight weight material popular for its high impact strength and toughness.6,530 psi9,510 psi440,000 psi1.9 ft-lb/in174°F0.0379 lb/in3
(45 MPa)(65 MPa)(3,030 MPa)(101 J/m)(79°C)(1.05 g/cc)
Polyether Imide
(PEI)		Thermoplastic with high heat resistance and excellent mechanical properties.16,000 psi24,000 psi510,000 psi1.0 ft-lb/in400°F0.0549 lb/in3
(110 MPa)(165 MPa)(3,500 MPa)(53 J/m)(204°C)(1.27 g/cc)