Material Options

In part manufacturing, the correct selection of materials is crucial for ensuring product performance, cost, and manufacturing efficiency. RPS has over 20 years of experience in precision manufacturing and can handle more than 100 types of metal and plastic materials, covering processes such as CNC machining, sheet metal processing, 3D printing, vacuum casting, and mold injection molding. The following is a comparison of common materials to help you quickly find a suitable solution.

CNC Machining Materials

Aluminum Alloys CNC Machining Data

Material Type Material Grade Yield Strength (MPa) Hardness (HB) Density (g/cm³) Material Features Typical Applications Price Range ($/kg) Surface Finishing
Aluminum 2011 ~275 ~95 HB 2.82 Excellent machinability, low corrosion resistance Automotive parts, fasteners, fittings 3–5 Anodizing, powder coating, polishing
Aluminum 2024 ~325 ~120 HB 2.78 High strength, good fatigue resistance, poor corrosion resistance Aircraft structures, aerospace fittings, automotive 4–7 Powder coating, polishing
Aluminum 5052 ~193 ~60 HB 2.68 Excellent corrosion resistance, moderate strength, weldable Marine parts, fuel tanks, sheet metal parts 3–5 Anodizing, powder coating
Aluminum 5083 ~215 ~75 HB 2.66 High corrosion resistance in seawater, good toughness Shipbuilding, cryogenic equipment, pressure vessels 3–5 Anodizing, powder coating
Aluminum 6061 ~276 ~95 HB 2.70 Good strength, excellent machinability, corrosion-resistant Aerospace components, automotive structures, electronic housings 3–5 Anodizing, powder coating, polishing
Aluminum 6082 ~260 ~90 HB 2.70 Similar to 6061, good corrosion resistance, weldable Structural applications, aerospace, automotive 3–5 Anodizing, powder coating
Aluminum 7075 ~503 ~150 HB 2.81 Very high strength, lightweight, lower corrosion resistance Aerospace, defense, high-performance automotive 5–8 Anodizing, polishing
Aluminum MIC-6 ~159 ~65 HB 2.70 Cast aluminum, excellent stability, stress-relieved Precision tooling, jigs, fixtures, machine bases 5–7 Polishing, anodizing
Aluminum A380 ~170 ~80 HB 2.75 High strength-to-weight ratio, good corrosion resistance Die-cast housings, automotive, electronics 3–6 Powder coating, anodizing

Stainless Steel CNC Machining Data

Material Type Material Grade Yield Strength (MPa) Hardness (HB/HRC) Density (g/cm³) Material Features Typical Applications Price Range ($/kg) Surface Finishing
Stainless Steel 303 ~215 ~90 HB 7.80 Excellent machinability, moderate corrosion resistance Fasteners, gears, screws, shafts 4–6 Polishing, sandblasting, electroplating
Stainless Steel 304 ~215 ~90 HB 7.93 Excellent corrosion resistance, easy to weld and form Medical devices, food machinery, kitchen equipment 4–6 Polishing, sandblasting, electroplating
Stainless Steel 316 ~290 ~95 HB 8.00 Superior corrosion resistance, resistant to chemicals Chemical equipment, marine parts, medical instruments 5–7 Polishing, sandblasting, pickling
Stainless Steel 304L ~170 ~80 HB 7.93 Low carbon variant of 304, better weldability Pipes, tanks, chemical equipment 4–6 Polishing, sandblasting, electroplating
Stainless Steel 316L ~170 ~85 HB 8.00 Low carbon 316, high corrosion resistance, good toughness Medical instruments, marine fittings, chemical plants 6–9 Polishing, sandblasting, pickling
Stainless Steel 410 ~205 ~200 HB / 50 HRC 7.70 Martensitic, moderate corrosion resistance, hardenable Cutlery, valves, automotive parts 4–6 Polishing, nitriding
Stainless Steel 416 ~205 ~200 HB / 50 HRC 7.70 Free-machining martensitic, moderate corrosion resistance Screws, fasteners, fittings 4–6 Polishing, nitriding
Stainless Steel 420 ~250 ~50 HRC 7.70 High hardness, polishable Knives, precision mechanical parts, surgical tools 5–8 Polishing, nitriding
Stainless Steel 17-4 PH ~1035 ~28–32 HRC 7.75 Precipitation hardened, very high strength, corrosion resistant Aerospace, chemical, tooling 8–12 Polishing, heat treatme

Carbon Steel CNC Machining Data

Material Type Material Grade Yield Strength (MPa) Hardness (HB/HRC) Density (g/cm³) Material Features Typical Applications Price Range ($/kg) Surface Finishing
Carbon Steel 1018 ~370 ~120 HB 7.87 Low carbon, good weldability, easy machining Shafts, pins, gears, general structural parts 2–4 Sandblasting, black oxide, galvanizing
Carbon Steel 1045 ~530 ~170 HB 7.85 Medium carbon, higher strength, good wear resistance Shafts, bolts, machinery parts 2–4 Heat treatment, black oxide, polishing
Carbon Steel 1095 ~655 ~220 HB 7.85 High carbon, very hardenable, high wear resistance Springs, knives, cutting tools 3–5 Quenching, tempering, polishing
Carbon Steel 1144 ~600 ~200 HB 7.85 High carbon free-machining steel, wear resistant Shafts, pins, bushings, gears 3–5 Polishing, heat treatment
Carbon Steel 1215 ~350 ~100 HB 7.85 Low carbon free-machining steel Fasteners, pins, small machined parts 2–4 Polishing, black oxide
Carbon Steel 4130 ~435 ~150 HB 7.85 Alloy steel, good toughness, weldable Aerospace tubing, automotive parts, structural components 3–5 Quenching, tempering, polishing
Carbon Steel 4140 ~655 ~200 HB 7.85 Alloy steel, high strength, wear resistant Shafts, gears, machinery components 3–5 Quenching, tempering, grinding
Carbon Steel 4340 ~745 ~230 HB 7.85 High strength alloy, good fatigue resistance Aerospace, automotive, heavy machinery parts 4–6 Heat treatment, polishing
Carbon Steel Q235 ~235 ~120 HB 7.85 Low carbon structural steel, good weldability Structural beams, plates, general fabrication 1–3 Sandblasting, painting, galvanizing

Carbon Steel CNC Machining Data

Material Type Material Grade Yield Strength (MPa) Hardness (HB/HRC) Density (g/cm³) Material Features Typical Applications Price Range ($/kg) Surface Finishing
Tool Steel A2 ~800 ~58 HRC 7.80 Air-hardening, high wear resistance, tough Dies, punches, cutting tools 6–10 Polishing, heat treatment
Tool Steel D2 ~700 ~60–62 HRC 7.70 High carbon, high chromium, very wear resistant Dies, knives, cutting tools 6–10 Polishing, heat treatment
Tool Steel O1 ~540 ~58 HRC 7.80 Oil-hardening, good dimensional stability Punches, dies, gauges 5–8 Polishing, heat treatment
Tool Steel S7 ~750 ~55 HRC 7.80 Shock-resistant, tough Tools subjected to impact, dies 6–10 Polishing, heat treatment
Tool Steel H13 ~1100 ~50–52 HRC 7.85 Hot-work tool steel, high toughness, thermal fatigue resistance Hot forging dies, extrusion dies 8–12 Polishing, heat treatment
Tool Steel M2 ~1100 ~62 HRC 8.00 High-speed steel, wear resistant, heat resistant Cutting tools, drills, end mills 10–15 Polishing, heat treatment
Tool Steel SKD11 ~1200 ~60–62 HRC 7.80 High hardness, wear resistant Punches, dies, knives 6–10 Polishing, grinding
Tool Steel S136 ~850 ~52 HRC 7.85 High corrosion resistance, polished surface Plastic injection molds 12–18 Polishing, EDM finish
Tool Steel SKD61 ~1000 ~50–52 HRC 7.85 Hot-work tool steel, thermal fatigue resistant Hot forming dies, extrusion dies 8–12 Polishing, heat treatment
Tool Steel 40Cr ~850 ~190 HB 7.85 Medium carbon alloy steel, hardenable, strong Shafts, gears, dies 3–5 Quenching, tempering
Tool Steel NAK80 ~1100 ~50–52 HRC 7.85 High hardness, corrosion resistant Plastic injection molds 12–15 Polishing, heat treatment
Tool Steel Mold Steel 718 ~900 ~50 HRC 7.80 Corrosion resistant, good wear resistance Plastic injection molds 10–15 Polishing, EDM finish
Tool Steel S50C ~380 ~170 HB 7.85 Medium carbon steel, hardenable General tooling, dies 2–4 Heat treatment, polishing
Tool Steel S45C ~350 ~150 HB 7.85 Medium carbon steel, good toughness Shafts, gears, dies 2–4 Heat treatment, polishing
Tool Steel 1.7225 ~355 ~150 HB 7.85 European medium carbon steel, weldable General mechanical parts 2–4 Heat treatment, polishing

Brass CNC Machining Data

Material Type Material Grade Yield Strength (MPa) Hardness (HB) Density (g/cm³) Material Features Typical Applications Price Range ($/kg) Surface Finishing
Brass C36000 ~200 ~70 HB 8.44 Excellent machinability, moderate conductivity Valves, fittings, decorative parts 6–10 Polishing, electroplating
Brass C26000 ~180 ~60 HB 8.50 Corrosion resistant, good ductility Tubing, connectors, decorative applications 5–9 Polishing, electroplating
Brass C28000 ~210 ~75 HB 8.50 Good corrosion resistance, weldable Pipes, electronic connectors 5–8 Polishing, elect

Bronze CNC Machining Data

Material Type Material Grade Yield Strength (MPa) Hardness (HB) Density (g/cm³) Material Features Typical Applications Price Range ($/kg) Surface Finishing
Bronze C93200 ~260 ~90 HB 8.80 High wear resistance, low friction Bearings, gears, sliding parts 8–12 Polishing, sandblasting
Bronze C95400 ~310 ~100 HB 8.80 High strength, corrosion resistant Marine components, mechanical parts 9–14 Polishing, sandblasting
Bronze C65500 ~220 ~80 HB 8.80 Excellent corrosion resistance, moderate strength Marine hardware, valves, fittings 8–12 Polishing, sandblasting

Copper CNC Machining Data

Material Type Material Grade Yield Strength (MPa) Hardness (HB) Density (g/cm³) Material Features Typical Applications Price Range ($/kg) Surface Finishing
Copper C11000 ~70 ~50 HB 8.96 Excellent electrical and thermal conductivity, soft and ductile Heat sinks, electrical connectors, wiring 8–12 Polishing, electroplating
Copper C17200 ~450 ~130 HB 8.90 High strength copper-beryllium alloy, good fatigue resistance Springs, aerospace components, precision instruments 12–20 Polishing, electroplat

Titanium CNC Machining Data

Material Type Material Grade Yield Strength (MPa) Hardness (HB/HRC) Density (g/cm³) Material Features Typical Applications Price Range ($/kg) Surface Finishing
Titanium Alloy Grade 1 ~275 ~90 HB 4.51 Excellent corrosion resistance, low strength, ductile Chemical equipment, marine parts, medical instruments 35–50 Polishing, anodizing
Titanium Alloy Grade 2 ~345 ~100 HB 4.51 Good corrosion resistance, tougher than Grade 1 Chemical equipment, medical instruments 35–50 Polishing, anodizing
Titanium Alloy Grade 4 ~480 ~120 HB 4.51 High strength, excellent corrosion resistance Aerospace parts, medical implants, industrial components 40–55 Polishing, anodizing
Titanium Alloy Grade 5 (Ti-6Al-4V) ~880 ~36 HRC 4.43 High strength, lightweight, corrosion resistant Aerospace, medical implants, high-performance automotive parts 40–60 Polishing, anodizing
Titanium Alloy Grade 9 (Ti-3Al-2.5V) ~620 ~28 HRC 4.42 Moderate strength, good corrosion resistance Aerospace tubing, medical devices, automotive 45–65 Polishing, anodizing
Titanium Alloy Grade 23 (Ti-6Al-4V ELI) ~830 ~35 HRC 4.43 Extra low interstitial, high toughness, corrosion resistant Medical implants, aerospace, high-end automotive 45–65 Polishing, anodizing

Plastics CNC Machining Data

Material Type Material Grade Yield Strength (MPa) Hardness (Shore D) Density (g/cm³) Material Features Typical Applications Price Range ($/kg) Surface Finishing
Plastic ABS ~40 85 1.04 Easy to machine, low cost, impact resistant Consumer electronics housings, appliance parts 3–6 Polishing, sandblasting
Plastic POM ~70 80 1.41 High strength, wear resistant, low friction Gears, sliding parts, precision components 5–8 Polishing, sandblasting
Plastic PC ~65 75 1.20 High strength, transparent, impact resistant Lamp covers, electronic housings, medical devices 5–10 Polishing, sandblasting
Plastic Nylon (PA) ~75 80 1.15 Wear resistant, fatigue resistant, self-lubricating Gears, bearings, sliding parts 4–8 Polishing, sandblasting
Plastic PEEK ~90 85 1.30 High temperature resistance, chemically stable Aerospace, high-performance medical parts 80–120 Polishing, sandblasting
Plastic PTFE ~20 55 2.20 Excellent chemical resistance, low friction Seals, gaskets, chemical equipment 20–40 Polishing, sandblasting
Plastic HDPE/UHMWPE ~20 65 0.95–0.97 High wear resistance, impact resistant Conveyors, liners, sliding surfaces 3–8 Polishing, sandblasting
Plastic Acrylic/PMMA ~70 85 1.18 Transparent, high hardness, UV resistant Lenses, displays, panels 4–10 Polishing, sandblasting
Plastic PEI/Ultem ~110 85 1.27 High strength, high temperature resistance, flame retardant Aerospace, electronics, medical devices 50–100 Polishing, sandblasting
Plastic PPS ~90 80 1.35 High temperature resistance, chemical resistance Automotive parts, electrical components 20–50

Sheet Metal Materials

Carbon Steel for Sheet Metal Fabrication

Material Type Material Grade Yield Strength (MPa) Hardness (HB) Density (g/cm³) Material Features Typical Applications Price Range ($/kg) Surface Finishing
Carbon Steel Q235 ~235 ~120 HB 7.85 Low carbon structural steel, good weldability Structural sheets, frames, machinery panels 1–3 Painting, powder coating, galvanizing
Carbon Steel SPCC (Cold Rolled Steel) ~270 ~130 HB 7.85 Excellent surface finish, good formability Appliance panels, automotive panels, enclosures 2–4 Painting, powder coating, galvanizing
Carbon Steel SECC (Electro-Galvanized Steel) ~270 ~130 HB 7.85 Cold rolled steel with zinc coating, corrosion resistant Electrical enclosures, cabinets, housings 2–4 Powder coating, painting
Carbon Steel SGCC (Hot-Dip Galvanized Steel) ~270 ~130 HB 7.85 Hot-dip zinc coated, excellent corrosion resistance Roofing, facades, outdoor panels 2–4 Powder coating, painting
Carbon Steel SPHC (Hot Rolled Steel) ~250 ~120 HB 7.85 Good formability, low cost Structural sheets, automotive parts, machinery panels 1–3 Painting, powder coating, galvanizi

Stainless Steel for Sheet Metal Fabrication 

Material Type Material Grade Yield Strength (MPa) Hardness (HB/HRC) Density (g/cm³) Material Features Typical Applications Price Range ($/kg) Surface Finishing
Stainless Steel 304 ~215 ~90 HB 7.93 Excellent corrosion resistance, weldable Kitchen equipment, appliances, panels 4–6 Polishing, brushing, electroplating
Stainless Steel 304L ~170 ~80 HB 7.93 Low carbon variant, better weldability Tanks, piping, enclosures 4–6 Polishing, brushing
Stainless Steel 316 ~290 ~95 HB 8.00 Superior corrosion resistance, chemical resistant Marine parts, chemical tanks, medical equipment 5–7 Polishing, brushing, pickling
Stainless Steel 316L ~170 ~85 HB 8.00 Low carbon 316, excellent corrosion resistance Marine, chemical, medical 6–9 Polishing, brushing, pickling
Stainless Steel 430 ~205 ~90 HB 7.70 Ferritic, good corrosion resistance, magnetic Decorative panels, appliances 4–6 Polishing, brushing
Stainless Steel 201 ~205 ~90 HB 7.90 Low nickel, good corrosion resistance Kitchenware, appliances, panels 3–5 Polishing, brushing
Stainless Steel 301 ~215 ~90 HB 7.90 High strength, good formability Automotive panels, appliance panels 4–6 Polishing, brushing

Aluminum Alloy for Sheet Metal Fabrication 

Material Type Material Grade Yield Strength (MPa) Hardness (HB) Density (g/cm³) Material Features Typical Applications Price Range ($/kg) Surface Finishing
Aluminum Alloy 1100 ~55 ~25 HB 2.71 Excellent corrosion resistance, very soft Roofing, siding, decorative panels 3–5 Anodizing, powder coating, polishing
Aluminum Alloy 3003 ~115 ~40 HB 2.73 Good corrosion resistance, medium strength Roofing, siding, panels 3–5 Anodizing, powder coating
Aluminum Alloy 5052 ~193 ~60 HB 2.68 Excellent corrosion resistance, moderate strength Marine panels, fuel tanks, housings 3–5 Anodizing, powder coating
Aluminum Alloy 6061 ~276 ~95 HB 2.70 Good strength, corrosion resistance, machinable Aerospace panels, housings, enclosures 3–5 Anodizing, powder coating

CO Copper for Sheet Metal Fabrication

Material Type Material Grade Yield Strength (MPa) Hardness (HB) Density (g/cm³) Material Features Typical Applications Price Range ($/kg) Surface Finishing
Copper C11000 ~70 ~50 HB 8.96 Excellent electrical & thermal conductivity Electrical panels, connectors, wiring 8–12 Polishing, electroplating
Copper C10100 ~210 ~60 HB 8.96 High purity copper, excellent conductivity Electrical connectors, busbars 8–12 Polishing, electroplating
Copper C10200 ~220 ~65 HB 8.95 High electrical conductivity, soft Electrical components, busbars 7–11 Polishing, electroplating

Brass for Sheet Metal Fabrication

Material Type Material Grade Yield Strength (MPa) Hardness (HB) Density (g/cm³) Material Features Typical Applications Price Range ($/kg) Surface Finishing
Brass C28000 ~210 ~75 HB 8.50 Good corrosion resistance, weldable Pipes, connectors, panels 5–8 Polishing, electroplating
Brass C26000 ~180 ~60 HB 8.50 Corrosion resistant, good ductility Tubing, fittings, decorative parts 5–9 Polishing, electroplating
Brass C26800 ~200 ~70 HB 8.50 Medium strength, good corrosion resistance Valves, fittings, housings 5–8 Polishing, electroplating

Bronze for Sheet Metal Fabrication

Material Type Material Grade Yield Strength (MPa) Hardness (HB) Density (g/cm³) Material Features Typical Applications Price Range ($/kg) Surface Finishing
Bronze C5191 ~220 ~85 HB 8.80 High wear resistance, low friction Bearings, bushings, sliding parts 8–12 Polishing, sandblasting
Bronze C5210 ~240 ~90 HB 8.80 Wear resistant, corrosion resistant Bearings, gears, mechanical parts 8–12 Polishing, sandblasting
Bronze C65500 ~280 ~100 HB 8.80 High strength, corrosion resistant Marine parts, mechanical components 9–14 Polishing, sandblasting

3D Printing Materials

SLA 3D Printing Materials

Material Price (USD/g) Accuracy (mm) Heat Deflection Temp (°C) Shore Hardness (D) Flexural Strength (MPa) Dielectric Constant
Standard Resin – White 0.09 ±0.1 46 79 67 3.3–4.2
Tough Resin – Tea Green 0.12 ±0.1 58–65 76–85 60–75 3.3–4.2
Standard Resin – Black 0.18 ±0.1 62 83 73 4.2–5.0
High-Temperature Resin – Gray 0.35 ±0.1 100 80 (approx.) 69–76 4.2–5.0
High-Temperature Resin – Beige 0.59 ±0.1 140 80 (approx.) 69–76 4.2–5.0
Translucent Resin – Transparent Clear 0.18 ±0.1 49 87 69–76 4.0
Fully Transparent Resin 0.44 ±0.3 49 87 69–76 4.0

SLS 3D Printing Materials

Material Price (USD/g) Accuracy (mm) Min. Wall Thickness (mm) Color Performance Features Density (g/cm³) Heat Deflection Temp @1.82 MPa (°C) Heat Deflection Temp @0.46 MPa (°C) Flexural Strength (MPa)
Nylon PA12-White 0.35 ±0.3 0.7 White Good toughness 0.98 84.5 148.2 46.1
Nylon PA12F-Black 0.32 ±0.3 0.7 Black High strength, fast lead time 0.99 73.1 146.1 40.1
Nylon PA12GF (Glass Fiber)-Light Grey 0.35 ±0.3 0.8 Light Grey High rigidity 1.31 69 153.1 60
Nylon PA12GB (Glass Fiber)-Black 0.35 ±0.3 0.8 Black High rigidity 1.35 69.5 155.1 62
Nylon PA11-White 1.18 ±0.2 0.6 White High strength & toughness 1.01 51 151.1 59
Nylon PA6-White 1.18 ±0.2 0.8 White High strength, rigidity, heat resistance 1.00 39 115 63
Nylon PA6GF (Glass Fiber)-Black 1.18 ±0.2 1.0 Black High strength & toughness 1.41 201 218 127

SLM 3D Printing Materials

Material Type Material Grade Accuracy (mm) Price (USD/g) Hardness (HRB) Surface Finish Particle Size (μm) Shape Flowability (s/50g) Loose Density (g/cm³) Densified Density (%) Tensile Strength (MPa) Yield Strength (MPa)
Stainless Steel 316L ±0.3 0.77 90–96 HRB RA7 15–53 Spherical 40 3.9 ≥99% ≥560 ≥480
Stainless Steel 17-4PH (GP1) ±0.3 0.77 90–96 HRB RA7 15–53 Spherical 40 3.9 ≥99% ≥850 ≥530
Stainless Steel 15-5PH (PH1) ±0.3 0.77 90–96 HRB RA7 15–53 Spherical 40 3.9 ≥99% ≥850 ≥530
Tool Steel MS1 ±0.3 0.77 88–92 HRB RA7 15–53 Spherical 40 4.3 ≥99% ≥1090 ≥1000
Tool Steel 4Cr5M SIV1 ±0.3 0.77 88–92 HRB RA7 15–53 Spherical 40 4.3 ≥99% ≥1150 ≥1070
Titanium Alloy TC4 ±0.3 0.85 35–40 HRB RA7 15–53 Spherical 45 2.5 ≥99% ≥600 ≥540
Aluminum Alloy AlSi10Mg ±0.3 1.14 64–70 HRB RA7 15–53 Spherical 150 1.45 ≥95% ≥330 ≥245
Aluminum Alloy 6061 ±0.3 1.20 64–70 HRB RA7 15–53 Spherical 120 1.45 ≥98% ≥280 ≥230

FDM 3D Printing Materials

Material Price (USD/g) Accuracy (mm) Min. Wall Thickness Density (g/cm³) Heat Deflection Temp (°C) Melting Temp (°C) Toughness (Impact Strength XY) Strength (Flexural Strength XY)
PLA 0.04 ±0.3 1 mm 1.24 57 155–170 41.7 kJ/㎡ 91 MPa
PLA-CF 0.07 ±0.3 1 mm 1.28 57 ~190–210 32 kJ/㎡ 93 MPa
ABS 0.06 ±0.3 1 mm 1.03 99 ~220 50.5 kJ/㎡ 58 MPa
PETG 0.04 ±0.3 1 mm 1.28 70 190–200 78.2 kJ/㎡ 80 MPa
PETG-CF 0.07 ±0.3 1 mm 1.29 70 190–200 58.3 kJ/㎡ 83 MPa
PETG-GF 0.07 ±0.3 1 mm 1.30 70 190–200 23 kJ/㎡ 76 MPa
TPU 0.12 ±0.3 1 mm 1.21 N/A ~180 130.5 J/㎡ N/A
ASA 0.09 ±0.3 1 mm 1.07 95 ~210 47 kJ/㎡ 57.5 MPa
PC 0.09 ±0.3 1 mm 1.20 110–120 ~260 ~16–20 kJ/㎡ 90–95 MPa
PA6-CF 0.35 ±0.3 1 mm 1.06 200 ~250–260 45 kJ/㎡ 160 MPa

MJF 3D Printing Materials

Material Price (USD/g) Color Accuracy (mm) Min. Wall Thickness (mm) Performance Features Density (g/cm³) Heat Deflection Temp @1.82 MPa (°C) Heat Deflection Temp @0.46 MPa (°C) Flexural Strength (MPa)
PA12 0.35 Gray ±0.2 0.6 Good toughness, high strength, excellent surface quality 1.01 95 175 48
PA12GB (Glass Fiber) 0.45 Light Gray ±0.2 0.8 High stiffness, wear resistance, dimensional stability 1.30 114 184 80

Vacuum Casting Materials

Rigid Plastics

Material Appearance Hardness (Shore D) Heat Deflection Temp (°C) Key Features Typical Applications Price (USD/g) Accuracy (mm)
PMMA (Acrylic) Transparent, glossy 80–85D ~70 High transparency, good surface finish Lighting covers, display parts, transparent housings 0.08–0.10 ±0.2
POM (Acetal) White/Black 80–85D ~100 High strength, wear resistance, low friction Gears, precision mechanical parts 0.09–0.11 ±0.2
PA (Nylon) White/Black 75–80D ~80 Good toughness, wear resistance Structural parts, automotive components 0.07–0.09 ±0.2
ABS Opaque, matte 70–75D ~85 Easy processing, balanced toughness and rigidity Consumer electronics housings, prototypes 0.06–0.08 ±0.2
PP (Polypropylene) Translucent/White 65–70D ~90 Lightweight, chemical resistance, fatigue resistance Hinges, containers, lightweight parts 0.06–0.08 ±0.2
PC (Polycarbonate) Transparent/Amber 75–80D ~120 High impact resistance, heat resistance Functional housings, automotive parts 0.10–0.12 ±0.2

Soft Plastics

Material Appearance Hardness (Shore A) Heat Deflection Temp (°C) Key Features Typical Applications Price (USD/g) Accuracy (mm)
Silicone Rubber Transparent/Colored 30–90A ~150 Excellent flexibility, high temperature resistance Seals, medical parts, wearable prototypes 0.12–0.15 ±0.3
PU Soft Plastic Transparent/Colored 60–95A ~70–100 Good elasticity, impact resistance Prototypes of flexible parts, cushioning components 0.09–0.12 ±0.3

Injection Molding Materials

Injection Molding Materials Selection Table

Material Price ($/g) Accuracy Density (g/cm³) Heat Deflection Temp (1.8 MPa) Tensile Strength (MPa) Features Applications
PA (Nylon) $0.42 ±0.05mm 1.14 75℃ 85 High toughness, wear resistance Gears, bearings, automotive parts
PBT $0.45 ±0.05mm 1.31 60℃ 60 Dimensional stability, chemical resistance Electrical components, connectors, housings
PC (Polycarbonate) $0.55 ±0.05mm 1.20 130℃ 65 High transparency, impact resistance Optical lenses, safety helmets, electronic casings
PE (Polyethylene) $0.38 ±0.05mm 0.95 50℃ 30 Lightweight, chemical resistance Packaging, containers, household goods
PEEK $2.50 ±0.02mm 1.32 160℃ 97 High temperature resistance, high strength Aerospace parts, medical implants, high-performance components
PMMA (Acrylic) $0.60 ±0.05mm 1.18 95℃ 70 High transparency, UV resistance Light covers, displays, optical components
POM (Delrin/Acetal) $0.55 ±0.05mm 1.42 100℃ 65 High strength, wear resistance Precision gears, mechanical parts, automotive fuel systems
PP (Polypropylene) $0.35 ±0.05mm 0.91 55℃ 35 Lightweight, corrosion resistance Medical devices, automotive trims, packaging
PVC $0.40 ±0.05mm 1.38 75℃ 52 Flame retardant, chemical resistance Pipes, fittings, enclosures, cable insulation