SMC Molding

Your Trusted SMC Molding Partner in China

We are a leading SMC molding and manufacturing specialist in China. We provide complete, custom compression molding solutions. From start to finish, we manage your project. Our expertise covers material selection and advanced mold design. We handle high-volume SMC compression molding with strict quality validation.

Yongchao serves diverse global industries. We supply strong, lightweight composite parts. Our key markets are automotive, electrical, industrial, and transportation. We deliver reliable performance and consistent quality.

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What is SMC (Sheet Molding Compound)?

SMC means Sheet Molding Compound. It is a fiber-reinforced thermoset material. The compound contains chopped glass fibers. These fibers sit in a polyester or vinyl ester resin. It arrives as a ready-to-mold sheet. The SMC sheet molding compound process uses compression. Layers are placed in a heated, metal mold.

The SMC molding press applies heat and pressure. The material cures into a solid part. This creates a sheet molded composite (SMC). The result is exceptional strength and great electrical insulation.

Typical Material Properties

Fiber content usually ranges from 10% to 60%. This depends on the needed strength. The SMC molding compound offers high mechanical performance. Typical tensile and flexural strength values are excellent. Heat deflection temperature (HDT) is often over 400°F. Specific data depends on the formula. We test every batch in our lab. We provide exact data sheets for your project.

Partial Display of SMC Products Manufactured by Yongchao Factory

At Yongchao, we take pride in our expertise in Sheet molding compound(SMC) manufacturing. As a trusted partner to industries like automotive, electronics, and household appliances, we deliver high-quality, reliable, and customizable SMC molding solutions. Our goal is to ensure your products achieve superior performance, durability, and cost-efficiency while meeting the highest industry standards.

SMC Compression Molding

SMC Injection Molding

Why Choose SMC for Your Parts?

Strength, Stiffness & Part Consolidation

SMC plastic molding creates large, structural parts. It reduces the need for multiple pieces. You get fewer seams and lower assembly costs. Parts have better impact resistance than many thermoplastics. This is vital for automotive body panels and doors. The automotive sheet molding compound SMC market relies on these benefits.

Electrical Insulation & Corrosion Resistance

The material is naturally non-conductive. It offers superb dielectric properties. SMC also resists chemicals and weather. It will not rust or corrode. This makes it perfect for electrical housings and switchgear. It is ideal for harsh outdoor environments.

Cost-Effectiveness for Volume Production

Tooling investment is manageable. The per-part cost becomes very low at medium-to-high volumes. The SMC molding process is fast. It often includes molded-in features. This reduces secondary work. Your total installed cost drops significantly.

Yongchao SMC Compression Molding Capabilities

Presses & Molds

Our factory uses powerful SMC molding press machines. Our range includes 100T to 550T hydraulic presses. We operate SMC molding process hydraulic press systems. They ensure consistent, high-pressure molding.

Below is our BMC & SMC machine information:

YONGCHAO BMC/SMC MACHINE INFORMATION
No.	Brand	Model	Type	Driving method	Plastic type	Screw type (screw or plunger type)	Mold range (MIN - MAX) mm	Tie bar spacing (H×V）mm	Maximum injection weight g
1	Chaoqun	550T	Horizontal	Hydraulic	BMC / SMC	Screw	400-800	850*850	3120
2	Huameida	450T	Horizontal	Hydraulic	BMC / SMC	Screw	380-800	750*770	4530
3	Quanlifa	280T	Horizontal	Hydraulic	BMC / SMC	Screw	350-700	570*610	1899
4	Quanlifa	280T	Horizontal	Hydraulic	BMC / SMC	Screw	340-670	570*610	1893
5	Quanlifa	180T	Horizontal	Hydraulic	BMC / SMC	Screw / plunger	280-520	410*470	1100/437
6	Quanlifa	180T	Horizontal	Hydraulic	BMC / SMC	Screw	280-530	410*470	1100
7	Quanlifa	180T	Horizontal	Hydraulic	BMC / SMC	Screw	280-530	410*470	1100
8	Quanlifa	180T	Horizontal	Hydraulic	BMC / SMC	Screw	280-540	410*470	1100
9	Quanlifa	180T	Horizontal	Hydraulic	BMC / SMC	Screw	300-515	410*470	966
10	Haitian	160T	Horizontal	Hydraulic	BMC / SMC	Screw	300-530	450*450	750
11	Quanlifa	125T	Horizontal	Hydraulic	BMC / SMC	Screw	280-460	370*420	470
12	Quanlifa	125T	Horizontal	Hydraulic	BMC / SMC	Screw	280-460	370*470	470
13	Quanlifa	100T	Horizontal	Hydraulic	BMC / SMC	Screw	280-430	370*380	400
14	Shiyu	150T	Press	Hydraulic	BMC / SMC		280-550	450*700
15	Shiyu	150T	Press	Hydraulic	BMC / SMC		280-550	450*700
16	Shiyu	250T	Press	Hydraulic	BMC / SMC		320-630	550*850
17	Shiyu	250T	Press	Hydraulic	BMC / SMC		320-630	550*850
18	Shiyu	200T	Press	Hydraulic	BMC / SMC		300-600	550*750
19	Shiyu	200T	Press	Hydraulic	BMC / SMC		270-580	550*750
20	Rigang	350T	Horizontal	Hydraulic	BMC / SMC	Screw	320-670	730*730	1620
21	Rigang	350T	Horizontal	Hydraulic	BMC / SMC	Screw / plunger	310-650	730*730	1620/1115

We build and maintain our own SMC molds. Our maximum tie bar spacing e is 850mm x 850mm. We produce parts from 2mm to 20mm thick. Our internal mold shop has CNC and EDM machines. We offer full SMC mold design and maintenance. We optimize SMC compression molding aluminum tool life cycles. This ensures durability and long-term value.

Materials & Formulas We Handle

We work with various SMC molding compounds. Options include standard polyester, vinyl ester, and conductive SMC. We also handle advanced CF-SMC (carbon fiber). We control the resin mix and fiber orientation. This meets specific needs like flame resistance or UV stability.

Production & Quality

Our lines are set for efficient, high-volume runs. We plan capacity carefully for your schedule.

We follow strict quality systems. This includes Incoming Quality Checks (IQC) for raw SMC sheet molding compound. We monitor every press cycle with sensors. We use CMM machines for precise measurement. Full batch traceability is standard. We hold relevant ISO and industry-specific certifications.

Request a Custom SMC Molding Solution

Whether you need prototype tooling or mass production, we offer custom SMC molding solutions based on your part structure, performance requirements, and annual volume.

Send us your drawings to receive a clear technical proposal and quotation.

Get a Custom Solution

The SMC Compression Molding Process – Our Expertise

DFM & Simulation

We start with Design for Manufacturability (DFM) reviews. Our engineers simulate fiber flow and cure. This prevents weak spots. It ensures uniform material distribution in the final sheet molding composite SMC part.

Charge Placement & Mold Venting

Skilled operators place the SMC charge correctly. Proper mold venting is critical. Our expertise minimizes air traps and voids. This prevents common defects.

Controlled Cure & Post-Curing

We precisely control the temperature and time during curing. This achieves optimal resin cross-linking. We provide post-curing when needed. It enhances thermal and mechanical stability for demanding applications.

Typical Applications & Case Studies

Frequently Asked Questions (FAQ)

Q1: What size of SMC parts can you produce?

A: We typically mold parts up to 50mm x 1000mm in size, with thickness from 2mm to 20mm.
Q2: How long does it take to build an SMC mold?

A: Standard SMC mold delivery takes 7-12 weeks, depending on complexity.
Q3: Can you mold metal inserts into SMC parts?

A: Yes, we frequently perform insert molding. We place threaded inserts or brackets directly into the SMC molds before the press closes.
Q4: Do you provide material certifications and test reports?

A: Yes. We provide full material certifications, batch traceability, and mechanical test reports with every shipment.

Work with a Reliable China SMC Molding Manufacturer

With in-house tooling, stable SMC molding processes, and experience serving global clients, we help you reduce risk, improve part consistency, and accelerate time to market.

Contact Yongchao Molding

Technical Insights & Sourcing Guide

☼ How to Select the Right SMC Grade?

Choose based on mechanical needs, flame retardancy, and UV exposure. Higher fiber content increases strength. Vinyl ester resin improves corrosion resistance. We provide a simple checklist to match your target to our SMC grade.

☼ Dimensional Tolerances & Design Tips

We hold tight tolerances on SMC parts. Design ribs, bosses, and inserts properly. This avoids sink marks and improves strength. We guide you through smart design for SMC compression molding.

☼ Common Defects & How We Prevent Them

● Voids/Air Pockets: We optimize charge pattern and venting.

● Dry Spots: We control material charge weight and molding temperature.

● Fiber Washing: We manage flow front speed with precise press control.

☼ Cost Drivers & How to Reduce Total Cost

Key factors are mold complexity, cycle time, and part size. Using standard SMC grades and designing for fast molding lowers cost. We help find the most cost-effective solution.