What is Injection molding materials for?

Matériaux de moulage par injection refer to the thermoplastic or thermoset polymers that are used in the process of injection molding to produce parts and components. These materials are melted and then injected into a plastic injection mold, where they cool and solidify into the desired shape.

Some common matériaux de moulage par injection include polyethylene, polypropylene, ABS, PVC, polycarbonate, nylon, PET, and acrylic. The selection of the appropriate material depends on factors such as the desired properties of the finished product, production cost, and the manufacturing process requirements.

How important of injection molding materials

Injection molding materials play a critical role in the injection molding process as they determine the properties and quality of the final product. The following are the reasons why injection molding materials are important for the injection molding process:

1. Product Properties: The material used in injection molding affects the final product’s physical and mechanical properties such as strength, stiffness, flexibility, hardness, toughness, and heat resistance.
2. Processing: The material must have appropriate flow characteristics to ensure proper filling of the mold cavity, as well as good dimensional stability during cooling.
3. Cost: The material cost is a significant factor in determining the overall cost of the injection molding process. Some materials are more expensive than others, and choosing the right material can help to optimize the cost-effectiveness of the process.
4. Availability: The availability of the material can impact the lead time for producing the parts, so it’s important to choose a material that is readily available to minimize production delays.
5. Quality and Consistency: The quality and consistency of the material can have a significant impact on the quality and consistency of the final product. A consistent material can help to ensure consistent part quality, which is important for many applications.

Therefore, the selection of the appropriate material is crucial for the success of the injection molding process, and it is important to carefully consider all the factors involved in choosing the right material for the job.

SINCERE 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 OverMolding
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. Usinage CNC

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. Usinage CNC
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. moule en plastique manufacturing and Injection Molding

SINCERE TECH is one of the top ten fournisseurs de moules in China, who can work with any production matériaux de moulage par injection you require. A selection of the most common materials we work with is shown below:

	Description	Tensile Yield	Résistance à la flexion	Module de flexion	Izod Impact Strength	Heat Deflection	Densité
		(0.125 in2)			(Notched)	Under Load
ABS	Common thermoplastic with good impact resistance and toughness.	6,500 psi	11,700 psi	380,000 psi	5.5 ft-lb/in	190°F	0.0379 lb/in3
		(45 MPa)	(80 MPa)	(2,620 MPa)	(292 J/m)	(88°C)	(1.05 g/cc)
Polypropylène PP	Thermoplastic polymer used for a wide number of applications.	4,900 psi	26,100 psi	210 000 psi	0.6 ft-lb/in	219°F	0.0324 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 psi	14,000 psi	450,000 psi	1.41 ft-lb/in	216°F	0.0513 lb/in3
		(70 MPa)	(100 MPa)	(3,100 MPa)	(75 J/m)	(102°C)	(1.42 g/cc)
Polycarbonate	Thermoplastic material with good temperature resistance and impact strength.	9,000 psi	18,000 psi	340,000 psi	15 ft-lb/in	290°F	0.0434 lb/in3
		(62 MPa)	(124 MPa)	(2,335 MPa)	(795 J/m)	(143°C)	(1.20 g/cc)
Polycarbonate / ABS	Blend of PC and ABS that creates strong parts for a variety of applications.	8,000 psi	13,000 psi	370,000 psi	13 ft-lb/in	202°F	0.0415 lb/in3
		(55 MPa)	(90 MPa)	(2,550 MPa)	(689 J/m)	(94°C)	(1.15 g/cc)
PVC	PVC is a polymer with good insulation properties, high hardness, and good mechanical properties.	4 500 psi	7,150 psi	275,000 psi	15 ft-lb/in	226°F	0.0487 lb/in3
		(31 MPa)	(50 MPa)	(1,900 MPa)	(795 J/m)	(108°C)	(1.35 g/cc)
Nylon	Polymer material that is durable with high elongation and good abrasion resistance.	8,400 psi	9,430 psi	175,000 psi	2.1 ft-lb/in	190°F	0.0411 lb/in3
		(58 MPa)	(65 MPa)	(1,200 MPa)	(111 J/m)	(88°C)	(1.14 g/cc)
Nylon 30% Glass Fiber molding material	Polymer with excellent mechanical stiffness and elevated temperature resistance.	18,000 psi	29,000 psi	900,000 psi	2.5 ft-lb/in	380°F	0.0498 lb/in3
		(125 MPa)	(200 MPa)	(6,200 MPa)	(133 J/m)	(193°C)	(1.38 g/cc)
Acrylique (PMMA) injection molding materials	Material with resistance to breakage often used for transparent applications.	9,400 psi	8,500 psi	250,000 psi	1.0 ft-lb/in	181°F	0.0422 lb/in3
		(65 MPa)	(58 MPa)	(1,725 MPa)	(53 J/m)	(83°C)	(1.17 g/cc)
Styrène	Light weight material popular for its high impact strength and toughness.	6,530 psi	9,510 psi	440,000 psi	1.9 ft-lb/in	174°F	0.0379 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 psi	24,000 psi	510,000 psi	1.0 ft-lb/in	400°F	0.0549 lb/in3
		(110 MPa)	(165 MPa)	(3,500 MPa)	(53 J/m)	(204°C)	(1.27 g/cc)