AIXI's blog aims to share our hard earned knowledge on manufacturing and product development. We hope these articles help you to optimize your product design and better understand the world of rapid prototyping, rapid tooling, 3D printing and low-volume manufacturing.

Characteristics of injection molding material PE plastic

(Polyethylene) Specific gravity: 0.94-0.96 g/cm3 Mold shrinkage: 1.5-3.6% Molding temperature: 140-220℃ Material performance Corrosion resistance, excellent electrical insulation (especially high-frequency insulation), can be chlorinated, modified by irradiation, and can be reinforced with glass fiber. Low pressure polyethylene has a melting point, rigidity, hardness and strength, low water absorption, and good The electrical properties and radiation…

Characteristics of injection molding material PP plastic

(Polypropylene) Specific gravity: 0.9-0.91 g/cm3 Mold shrinkage: 1.0-2.5% Molding temperature: 160-220℃ Material performance Low density, strength and rigidity, hardness and heat resistance are better than low-pressure polyethylene, and can be used at about 100 degrees. It has good electrical properties and high-frequency insulation. It is not affected by humidity, but it becomes brittle at low…

Characteristics of injection molding material POM plastic

(Polyoxymethylene) Specific gravity: 1.41-1.43 g/cm3 Mold shrinkage: 1.2-3.0% Molding temperature: 170-200℃ Drying conditions: 80-90℃ 2 hours Material performance It has good overall performance, high strength and rigidity, good wear resistance, low water absorption, good dimensional stability, but poor thermal stability, easy to burn, and easy to age when exposed to the atmosphere. Suitable for making…

Characteristics of injection molding material PS

(Polystyrene) Specific gravity: 1.05 g/cm3 Mold shrinkage: 0.6-0.8% Molding temperature: 170-250℃ Material performance Excellent electrical insulation (especially high-frequency insulation), colorless and transparent, light transmittance second only to plexiglass, coloring, water resistance, and good chemical stability. The strength is moderate, but the quality is brittle, and it is easy to cause stress brittleness. Resistant to benzene,…

Characteristics of injection molding material ABS

ABS plastic (Acrylonitrile Butadiene Styrene) Specific gravity: 1.05 g/cm3 Mold shrinkage: 0.4-0.7% Molding temperature: 200-240℃ Drying conditions: 80-90℃ 2 hours Material performance 1. Good overall performance, high impact strength, chemical stability, and good electrical properties 2.Good weldability with 372 plexiglass, made of two-color plastic parts, and can be chrome-plated and painted. 3. There are high…

Characteristics and parameters of TPU material (3D printing)

Parameters: Material name: TPU Printing temperature: 210-225° Material density: 1.2g/cm³ Material hardness: 95HSA Elongation: 400% Print bottom plate temperature: room temperature -50° Bubble: no bubbles Characteristic: 1: High transparency-high resilience, suitable for printing shoes, insoles and other soft models 2: High mechanical strength-high wear resistance and aging resistance 3: Waterproof and moisture permeability, cold proof,…

Characteristics and parameters of PA material (3D printing)

Parameters: Material name: PA (nylon) Printing temperature: 240-280° Material density: 1.01±0.05g/cm³ Water absorption: easy to absorb water Tensile strength: ≥50MPa Elongation at break: ≥150.0% Bubble: no bubbles characteristic: 1: High purity-the material uses high-quality nylon particles, non-toxic, non-irritating, healthy and safe, will not block the nozzle, and will not cause insufficient extrusion 2: High precision-the…

Characteristics and parameters of ABS material (3D printing)

Parameters: Material name: ABS Printing temperature: 220-240° Material density: 1.04±0.2g/cm3 Water absorption: 1% Tensile strength: ≥43MPa Elongation at break: ≥10.0% Bubble: no bubbles Characteristic: 1: High strength-stronger than PLA, impact resistance, heat resistance, chemical resistance, and difficult to degrade, more suitable for manufacturing 2: High precision-the wire diameter tolerance is controlled within 0.02mm, which is…

Characteristics and parameters of PLA material (3D printing)

PLA physical parameters Material: PLA Color: red, white, black, green, blue, gray, transparent, army green, fuchsia, etc. Printing temperature: 170-220° Density: 1.25±0.03g/cm³ Water absorption: 0.5% Tensile strength: ≥60MPa Elongation at break: ≥3.0% Impact strength: 0.16J/M PLA material features: 1, PLA, or polylactic acid, is a new type of biodegradable material, refined from renewable plant resources,…