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Home » Materials Engineering

Materials & surface finishing

Materials, properties and surface treatment compatibility

This category contains material-related knowledge at Super-Ingenuity (SPI), covering aluminum, stainless steel, tool steels, engineering plastics and how different surface treatments interact with these materials in real manufacturing.

  • Material properties and typical applications for CNC and molding
  • Aluminum and stainless steel grades commonly used at SPI
  • Engineering plastics and their machinability / molding behavior
  • Surface treatment compatibility (anodizing, plating, coatings)
  • Guidance on balancing performance, cost and lead time
Open the materials selection guide See materials in CNC machining
mold steel hardness

Mold Steel Hardness Guide | P20, H13, Heat Treatment & Tool Life

Hardness Review: P20, NAK80, H13 and S136 mold steel samples reviewed for supplied hardness, heat treatment condition, tool life target

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P20 vs H13 mold steel

P20 vs H13 Mold Steel | When to Upgrade Injection Mold Steel

Tooling Review: Mold steel selection review comparing P20, H13, S136 and hardened inserts for injection mold tool life, resin wear

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Injection Molding Surface Finish

Injection Molding Surface Finish Guide | Resin, Texture & Cosmetic Risk

Cosmetic Surface Review: Review molded plastic samples by gloss, matte texture, texture replication, sink visibility, flow marks and fiber print-through

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resin drying temperature and time chart

Resin Drying Temperature and Time Chart | Injection Molding Guide

Raw technical resin pellets prepared and itemized for moisture extraction review inside an environmental preparation bay before tooling verification protocols.

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plastic chemical resistance chart

Plastic Chemical Resistance Chart | Compatibility Cheat Sheet for Resin Selection

Plastic material samples evaluated for exact resin grade chemical compatibility, moisture absorption profiles, and multi-axis shrinkage data prior to production

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flame-retardant engineering plastics

Flame-Retardant Engineering Plastics Guide | UL 94 & FR Resin Selection

Flame-retardant engineering plastic samples reviewed for UL 94 rating, tested wall thickness, exact resin grade, color package and mechanical performance

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mold steel hardness

Mold Steel Hardness Guide | P20, H13, Heat Treatment & Tool Life

Hardness Review: P20, NAK80, H13 and S136 mold steel samples reviewed for supplied hardness, heat treatment condition, tool life target

Read More
P20 vs H13 mold steel

P20 vs H13 Mold Steel | When to Upgrade Injection Mold Steel

Tooling Review: Mold steel selection review comparing P20, H13, S136 and hardened inserts for injection mold tool life, resin wear

Read More
resin drying temperature and time chart

Resin Drying Temperature and Time Chart | Injection Molding Guide

Raw technical resin pellets prepared and itemized for moisture extraction review inside an environmental preparation bay before tooling verification protocols.

Read More
plastic chemical resistance chart

Plastic Chemical Resistance Chart | Compatibility Cheat Sheet for Resin Selection

Plastic material samples evaluated for exact resin grade chemical compatibility, moisture absorption profiles, and multi-axis shrinkage data prior to production

Read More
flame-retardant engineering plastics

Flame-Retardant Engineering Plastics Guide | UL 94 & FR Resin Selection

Flame-retardant engineering plastic samples reviewed for UL 94 rating, tested wall thickness, exact resin grade, color package and mechanical performance

Read More
high-performance engineering plastics

High-Performance Engineering Plastics Guide | PPS, PEEK, PEI & LCP

High-performance engineering plastic samples reviewed for continuous heat exposure, creep risk, chemical resistance and dimensional stability before material approval. High-Performance

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TPE vs TPU Material Guide

TPE vs TPU Material Guide for Overmolded Parts

Engineering sample comparison of TPE and TPU overmolded parts, showing substrate bond lines, soft-touch areas and mechanical retention features. TPE

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clear plastic material selection

Clear Plastic Material Selection | Acrylic vs Polycarbonate

Clear Plastic Material Selection: Acrylic vs Polycarbonate for Molded Parts Transparent molded PMMA and PC parts for clear plastic material

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automotive connector material

Automotive Connector Material Guide | PBT vs Nylon for Injection Molding

Automotive Connector Material Guide: PBT vs Nylon for Injection Molding Molded connector housings with terminal slots for PBT and Nylon

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polypropylene vs polyethylene

Polypropylene vs Polyethylene for Injection Molding | PP, HDPE & LDPE

Polypropylene vs Polyethylene for Injection Molding: PP, HDPE and LDPE Material Guide Quick Answer: Polypropylene vs Polyethylene for Molded Parts

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Talk to our engineering team about 5-axis CNC, molding or rapid prototyping

Whether you’re still refining a design or already have finished drawings, our engineers can help you choose the right process, materials and tolerances before you lock in cost and lead time.

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Contact us about your project
Super Ingenuity Precision Manufacturing

Precision injection molding, export mold production, 5-axis CNC machining and rapid manufacturing support for overseas OEMs from prototype to production.

Dongguan Plant
Chuangye Road No.1, ShangSha, Chang’an Town,
Dongguan, Guangdong, China
ISO 9001:2015 Certified Manufacturer IATF 16949 Certified Manufacturing
T: +86 769-81667180 E: [email protected]

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