High-Performance Plastic Materials for Precision Injection Molding

We supply a wide range of engineering plastic materials for precision injection molding, custom plastic part manufacturing, and industrial mold production. Our high-quality resin granules, including ABS, PP, PE, PC, Nylon, and other thermoplastics, support complex molded components with excellent strength, dimensional stability, surface finish, and production consistency for automotive, electronics, medical, consumer, and industrial applications.

P20 H13 NAK80, 718,SKD61 and S136 mold steel blocks for precision injection mold tooling CNC machining and custom plastic mold manufacturing

Professional Mold Steel Materials for Precision Injection Mold Manufacturing

We provide a wide selection of high-performance mold steel materials for precision injection mold manufacturing, plastic mold tooling, die casting molds, and custom industrial mold applications. Our commonly used mold steels include P20, H13, S136, NAK80, 718, and SKD61, offering excellent machinability, wear resistance, polishing performance, corrosion resistance, and long mold service life for high-precision production environments.

These premium mold steel materials are widely used in automotive molds, medical plastic molds, electronic housings, optical components, consumer products, and high-volume industrial injection molding applications.

Common Mold Steel Grades & Advantages

P20 Mold Steel

Key Advantages

  • Excellent machinability for CNC mold manufacturing
  • Good toughness and dimensional stability
  • Suitable for medium and large injection molds
  • Cost-effective for high-volume mold production

Typical Applications

Automotive interior molds, household appliance molds, plastic housings, and general injection mold tooling.

H13 Tool Steel

Key Advantages

  • Outstanding heat resistance and thermal fatigue resistance
  • High hardness and wear resistance
  • Excellent durability under high-temperature molding conditions
  • Suitable for die casting and high-pressure molds

Typical Applications

Die casting molds, hot runner systems, high-temperature injection molds, and industrial tooling.

S136 Stainless Mold Steel

Key Advantages

  • Superior corrosion resistance
  • Excellent mirror polishing performance
  • High purity and dimensional stability
  • Ideal for optical and medical-grade molds

Typical Applications

Medical molds, transparent plastic molds, optical lenses, cosmetic packaging, and precision electronic components.

NAK80 Pre-Hardened Mold Steel

Key Advantages

  • Excellent polishability and engraving performance
  • Uniform hardness without additional heat treatment
  • Good wear resistance and machining efficiency
  • Ideal for high-gloss plastic products

Typical Applications

Mirror-finish molds, cosmetic product molds, transparent plastic parts, and precision consumer products.

718 Mold Steel

Key Advantages

  • Improved hardness and toughness compared to P20
  • Excellent machinability and polishing properties
  • Stable performance for large complex molds
  • Suitable for long production runs

Typical Applications

Automotive molds, large plastic housings, appliance molds, and engineering plastic products.

SKD61 Tool Steel

Key Advantages

  • Excellent thermal shock resistance
  • High-temperature strength and durability
  • Good wear resistance for demanding tooling applications
  • Reliable for continuous production environments

Typical Applications

Die casting molds, aluminum casting molds, hot forging dies, and high-temperature industrial tooling.

Optical-grade transparent PC and PMMA plastic resin pellets for precision injection molding and clear plastic component manufacturing

PC  Transparent Engineering Plastics

Key Advantages

  • Excellent optical transparency and light transmission
  • High impact resistance and dimensional stability
  • Superior surface finish for polished CNC parts
  • Suitable for precision machining and injection molding

Typical Applications

Optical lenses, transparent covers, LED lighting components, display panels, medical devices, and electronic housings.

Engineering plastic POM and Nylon PA6 rods for precision CNC turning milling and custom plastic prototyping

Nylon (PA6) Engineering Plastic Rods

Key Advantages

  • Excellent machinability for CNC turning and milling
  • High wear resistance and low friction coefficient
  • Good mechanical strength and dimensional stability
  • Suitable for complex precision plastic parts

Typical Applications

Gears, bushings, rollers, mechanical components, industrial fixtures, and automation equipment.

Industrial ABS and PP plastic resin granules for custom injection molding and large-scale plastic part manufacturing

PE (Polyethylene) Engineering Plastic

Key Advantages

  • Excellent chemical resistance against acids, alkalis, and moisture
  • Lightweight with good impact resistance and flexibility
  • Low friction coefficient and good wear resistance
  • Outstanding electrical insulation properties
  • Easy to process through injection molding, extrusion, and CNC machining
  • Cost-effective material for large-scale industrial production

Typical Applications

Industrial containers, fluid handling systems, chemical tanks, pipe fittings, insulation components, cutting boards, packaging products, and lightweight mechanical parts.

Precision polished clear acrylic and polycarbonate square bars for CNC machining and transparent plastic fabrication

Acrylic / Polycarbonate (PC) Transparent Bars

Key Advantages

  • Outstanding transparency and polished appearance
  • Good weather resistance and durability
  • Easy to CNC machine and fabricate
  • High dimensional precision for custom parts

Typical Applications

Transparent prototypes, display equipment, protective covers, optical structures, signage, and industrial windows.

High-performance PEEK and PPS engineering plastic rods for aerospace medical and high-temperature CNC machining applications

PEEK / PPS High-Performance Plastics

Key Advantages

  • Exceptional heat resistance and chemical stability
  • High mechanical strength under extreme conditions
  • Excellent wear resistance and low deformation
  • Suitable for aerospace and medical-grade applications

Typical Applications

Aerospace components, semiconductor equipment, medical devices, high-temperature seals, and precision industrial systems.

Industrial POM Delrin and PTFE plastic sheets and rods for precision CNC milling cutting and custom component fabrication

POM / PTFE Plastic Sheets & Rods

Key Advantages

  • Low friction and excellent self-lubricating performance
  • Superior chemical resistance and dimensional stability
  • Excellent CNC machining performance
  • Reliable for precision engineering applications

Typical Applications

Sliding components, seals, bearings, valve seats, guide rails, and precision CNC machined plastic parts.

Optical-grade transparent PC and PMMA plastic resin pellets for precision injection molding and clear plastic component manufacturing

ABS  Injection Molding Materials

Key Advantages

  • Excellent molding performance and production efficiency
  • Good impact resistance and lightweight properties
  • Cost-effective for high-volume manufacturing
  • Wide range of color and surface finish options

Typical Applications

Consumer products, automotive interior parts, electronic enclosures, appliance housings, and industrial plastic components.

6061 and 7075 aluminum alloy blocks and plates for high-speed CNC milling rapid prototyping and precision structural component manufacturing

6061 & 7075 Aluminum for High-Speed CNC Manufacturing


Key Advantages

  • Lightweight with excellent structural strength
  • Outstanding machinability and cutting performance
  • Good corrosion resistance and anodizing capability
  • Suitable for rapid prototyping and precision milling
  • Excellent dimensional stability for complex parts

Typical Applications

Aerospace parts, automotive components, robotics structures, electronic housings, industrial fixtures, and precision mechanical assemblies.

High-conductivity C11000 pure copper bars and square blocks for EDM electrodes precision CNC machining and industrial electrical components

High-Conductivity Pure Copper for Precision Machining


Key Advantages

  • Excellent electrical and thermal conductivity
  • Outstanding corrosion resistance
  • Ideal for EDM electrode fabrication
  • Good ductility and forming performance
  • Excellent heat dissipation capability

Typical Applications

EDM electrodes, heat sinks, electrical busbars, semiconductor components, power transmission systems, and industrial electrical equipment.

C36000 and H59 brass rods and flat bars for high-speed CNC turning precision fittings and electrical hardware manufacturing

High-Precision Brass Materials for CNC Turning


Key Advantages

  • Excellent machinability for automatic CNC lathes
  • Superior electrical and thermal conductivity
  • Good corrosion resistance and surface finish
  • Reduced tool wear during high-speed machining
  • Ideal for precision threaded and turned components

Typical Applications

Electrical connectors, brass fittings, valves, gears, fasteners, pneumatic parts, hydraulic components, and decorative hardware.

Industrial 1018 and 1045 carbon steel round bars for precision CNC turning milling and custom steel component manufacturing

Carbon Steel Materials for Precision CNC Machining


Key Advantages

  • Excellent mechanical strength and durability
  • Good machinability for CNC turning and milling
  • Cost-effective for large-scale industrial production
  • Suitable for welding, heat treatment, and surface finishing
  • Reliable dimensional stability for heavy-duty applications

Typical Applications

Mechanical shafts, industrial fixtures, automotive components, machine parts, structural supports, gears, and heavy equipment manufacturing.

High-grade 304 and 316 stainless steel blocks and plates for precision CNC milling corrosion-resistant industrial and medical components

304 & 316 Stainless Steel for Corrosion-Resistant CNC Parts


Key Advantages

  • Outstanding corrosion and oxidation resistance
  • Excellent mechanical strength and durability
  • Hygienic and easy-to-clean surface properties
  • Good heat resistance and weldability
  • Suitable for high-precision CNC machining and polishing

Typical Applications

Medical devices, food processing equipment, marine hardware, pharmaceutical machinery, industrial valves, and precision stainless steel housings.

AZ31B and AZ91D magnesium alloy billets for lightweight CNC machining aerospace drone and advanced engineering applications

Lightweight Magnesium Alloys for Advanced CNC Machining


Key Advantages

  • Extremely lightweight structural material
  • High strength-to-weight ratio
  • Excellent vibration damping performance
  • Good machinability for precision components
  • Suitable for advanced lightweight engineering systems

Typical Applications

Aerospace components, drone structures, portable electronics, automotive lightweight systems, robotics equipment, and defense engineering applications.

Grade 5 titanium Ti-6Al-4V precision 5-axis CNC machined components for aerospace medical and high-performance industrial applications

Grade 5 Titanium for Advanced 5-Axis CNC Machining


Key Advantages

  • Exceptional strength-to-weight ratio
  • Superior corrosion and heat resistance
  • Excellent fatigue resistance under extreme conditions
  • Biocompatible material for medical applications
  • Ideal for complex 5-axis CNC machining operations

Typical Applications

Aerospace structures, medical implants, surgical instruments, racing components, drone parts, and advanced engineering systems.

MaterialDensity(g/m³)Tensile Strength(Mpa)Yield Strength(Mpa)Hardness(HB)MachinabilityApplications
Aluminum 60612.727624195ExcellentGeneral-purpose, structural parts, jigs, fixtures
Aluminum 70752.8572503150GoodHigh-strength parts, aerospace applications
Brass8.5345-55075-45090-140ExcellentDecorative parts, fittings, hardware
Copper8.922070100ExcellentElectrical components, heat exchangers
Mild Steel7.85400-550250120GoodGeneral fabrication, structural components
Stainless Steel (304)8.0515215200ModerateFood-grade parts, chemical resistance, marine applications
MaterialDensity(g/m³)Tensile Strength(Mpa)Yield Strength(Mpa)Hardness(HB)MachinabilityApplications
Stainless Steel (316)8.0535205210ModerateHigh temperature and corrosion resistance
Tool Steel7.8 – 8.5600-3000400-2500FairMolds, dies, cutting tools
Inconel (Nickel Alloy)8.8758483230DifficultHigh-temperature applications, corrosion resistance
Titanium4.595088036 HRCDifficultAerospace parts, medical implants, high-performance applications
ABS1.0540-504075RExcellentPrototypes, enclosures, consumer goods
PMMA1.187070M70ExcellentSigns, displays, optical parts
POM1.426363R120ExcellentBushings, gears, precision parts
PC1.260-7060-70M70ExcellentImpact-resistant parts, safety shields, enclosures
Material Key Properties
ABSHigh-strength, general-purpose engineering plastic
ASAUV-resistant ABS alternative, ideal for outdoor use
CATransparent, flexible, suitable for food contact
HDPEExcellent strength-to-weight ratio, chemical resistant
LCPHigh-temp stability, low dielectric, ideal for micro parts
LDPEFlexible, tough, chemical resistant
PA 6High strength, heat and chemical resistance
PA 6/6Higher rigidity and thermal stability than PA6
PARAHigh rigidity, low creep, low moisture absorption
PBTDurable electrical insulator, automotive-grade
PBT-PETBlended polyester with balanced performance
PCTransparent, impact-resistant, high detail
PC-ABSStrong, tough, improved flexibility vs PC
PC-PBTRigid, chemical and solvent resistant
PC-PETTough, chemical resistant, solvent durable
PCTLow moisture absorption, high stability
PEVersatile, chemical resistant, widely used
PEEKUltra-high strength, heat and wear resistant
PEIHigh heat and flame resistance, cost-effective
PE-PPPolyolefin blend with balanced properties
PE-PSBlend with improved rigidity and processability
PESTransparent, sterilizable, chemically resistant
PETClear, strong, food-safe, recyclable
PLABiodegradable, low heat resistance
PMMAClear, weather-resistant, glass-like
POMLow friction, wear resistant, moisture stable
PPLightweight, chemical resistant, low moisture absorption
PPAHigh-temp nylon, chemical resistant
PPSExtreme chemical and heat resistance
PSRigid, brittle, low-cost transparent plastic
PS-PPEHigh heat resistance, strong and stiff
PSUHigh-performance, transparent, heat resistant
PVCRigid, durable, widely used in piping
PVDFChemically inert, low friction, high temp resistant
SANTransparent, glossy, improved PS strength
TPOFlexible, chemical resistant, lower heat tolerance
TPUTough, elastic, abrasion resistant