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High-Performance Sheet Molding Compound (SMC) Manufacturer

· Stable Production Capacity      · Custom Formulation Capability     · Excellent Mechanical Performance
· Strong Engineering Support        · Strict Quality Management
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GYCPRO
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What Makes Us Different

Why GYCPRO is Your Reliable SMC Manufacturer

Taizhou GYC Composite Materials Co., Ltd. is a professional manufacturer of high-performance composite materials. Founded in 2018,GYCPRO has 2 advanced SMC production lines.we offer stable capacity, flexible customization, and fast delivery for global customers.Our standardized laboratories are equipped with universal testing machines, DSC thermal analyzers, infrared spectrometers, moisture analyzers, and other professional instruments. Our engineering team is capable of independent CAE simulation, structural analysis, and safety validation, ensuring that every product meets demanding technical and safety requirements. We have implemented a strict quality management system and are certified with ISO 9001 and IATF 16949, guaranteeing consistent product quality, full process traceability, and continuous improvement. Our standardized production management, lean manufacturing processes, and rigorous inspection systems allow us to maintain stable supply and reliable delivery.
  • experience
    10+ Years as an industry leader
  • industry-(3)
    30,000+㎡ high-level production base
  • settings-(5)
    2 advanced SMC production lines
  • cube
    Professional SMC production experience
  • validation-(1)
    Advanced production lines & strict QC system
  • database
    Stable raw material sourcing
  • iso
    ISO-certified manufacturing
  • structure
    CAE simulation & structural analysis
  • microscope-(1)
    In-house physics & chemical properties laboratory
  • fast-delivery-(2)
    Fast lead time & global export capability

What is Sheet Molding Compound (SMC)?

Thermoset sheet molding compound (SMC) is a ready-to-mold, glass fiber–reinforced thermosetting composite material used primarily in compression molding.Sheet Molding Compound (SMC) is a mixture of polymer resin, inert fillers, fiber reinforcement, catalysts, pigments low shrinkage additives, release agents, and thickeners.It is supplied in semi-finished sheet form and widely used to produce strong, lightweight, highly repeatable parts—especially at high production volumes.
5
How SMC Produce

SMC Material Production & Processing Flow

  • step1
    Step 1
    Raw Material Mixing
     
  • step2
    Step 2
    Resin Paste Preparation
     
  • step3
    Step 3
    Fiber Distribution
     
  • step4
    Step 4
    Sheet Forming
     
  • step5
    Step 5
    Rolling
     
  • step6
    Step 6
    Maturation
     
  • step7
    Step 7
    Cutting
     
  • step8
    Step 8
    Charge Placement
     
  • step9
    Step 9
    Copression Molding
     
  • step10
    Step 10
    Curing
     
  • step11
    Step 11
    Demolding
     
  • step12
    Step 12
    Finishing
     
SMC VS BMC

Difference between SMC and BMC

SMC (Sheet Molding Compound) and BMC (Bulk Molding Compound) are both thermosetting fiber-reinforced composites, widely used in compression molding. The key differences lie in form, fiber length, mechanical performance, and application scope.

SMC vs BMC Comparison

 
 

Item

SMC (Sheet Molding Compound)

BMC (Bulk Molding Compound)
 

Material Form

Sheet form

Bulk / dough-like form
 

Fiber Length

Long chopped fibers (typically 25–50 mm)

Short chopped fibers (6–12 mm)
 

Mechanical Strength

Higher structural strength

Moderate strength
 

Part Size

Suitable for large, structural parts

Best for small to medium parts
 

Surface Quality

Excellent, Class A achievable

Good, but lower than SMC
 

Dimensional Stability

Very high

High
 

Molding Process

Compression molding

Compression or injection molding
 

Tooling Complexity

Moderate

Lower
 

Typical Applications

Structural panels, enclosures, covers

Electrical components, small housings
SMC Benifits

Advantages of SMC

SMC is the preferred choice for high-strength, large-size, and structural composite components.

speedometer

 

 

Higher Mechanical Performance

 
• Longer glass fibers provide superior tensile, bending, and impact strength
• Excellent stiffness and load-bearing capability
• Suitable for structural and semi-structural part
  

labyrinth

 

 

Ideal for Large and Complex Parts

 
• Uniform fiber distribution across large surfaces
• Consistent thickness and strength
• Suitable for covers, panels, housings, and enclosure

layer (1)

 

 

Superior Surface Finish

 
• Class A surface achievable
• Suitable for painting, coating, and cosmetic applications
• Low shrinkage and smooth appearance
   

horse-saddle

 

 

Excellent Dimensional Stability

 
• Minimal warpage after molding
• Stable performance under heat and load
• Tight tolerances for precision components
 
  

directions

 

 

Design Flexibility

 
• Integrated ribs, bosses, and inserts
• Reduced secondary processing
• High repeatability in mass production
 
  

profits (1)

 

 

Cost-Effective for High-Volume Production

 
• Short molding cycle time
• High material utilization
• Reduced assembly and finishing costs
  

When to Choose SMC

• High mechanical strength is required
• Parts are large or load-bearing
• Appearance and surface quality are critical
• Structural reliability is a priority
Why Choose SMC

Why SMC Is Chosen Over Traditional Materials

SMC (Sheet Molding Compound) is increasingly replacing traditional materials such as steel, aluminum, plastics, and concrete in industrial applications. Thanks to its unique combination of strength, lightweight design, durability, and design flexibility, SMC offers clear advantages in both performance and total cost.

weight

 

High Strength with Lightweight Design

fabric (1)

 

Excellent Corrosion Resistance

dimensions

 

Superior Design Freedom

diamond (1)

 

Stable and Consistent Quality

insulating-tape

 

Excellent Electrical and Thermal Properties

repair

 

Low Maintenance and Long Service Life

money-bag

 

Cost-Effective in Mass Production

Material Comparison

SMC vs Traditional Materials Comparison

 

Property

SMC

Steel

Aluminum

Plastics
 

Weight

Light

Heavy

Light

Very light
 

Corrosion Resistance

Excellent

Poor

Good

Good
 

Mechanical Strength

High

Very high

Medium

Low
 

Design Flexibility

Excellent

Limited

Limited

Excellent
 

Maintenance Cost

Low

High

Medium

Low
 

Mass Production

Excellent

Limited

Limited

Excellent
SMC Specification

SMC Technical Data & Performance

  Applications(e.g.)   Battery Cover Transportation Parts
 (e.g. pickup box)		 Electrical Parts Energy Storage
(Battery Pack End Plates)		 Antenna radome end cap
  SMC Materials SMC-5006-3 SMC-2935 SMC-2070 SMC100 SMC-6002
  Physical Properties            
  Fiberglass Content wt％ 32 50 28 45 20
  Shrinkage ％ 0.02±0.03 0±0.03 0.07±0.03 0.05±0.05 0.1±0.03
  Density g/cm³ 1.75±0.03 1.73±0.05 1.75±0.03 1.8±0.05 1.3±0.05
  Barcol Hardness   ≥45 ≥45 ≥40 ≥45 ≥20
  Mechanical Properties            
  Tensile Strength MPa ≥90 ≥100 ≥65 ≥120 ≥40
  Tensile Modulus GPa ≥9 ≥9.5 ≥9 ≥9 ≥4
  Poison’s Ratio   0.25-0.35 0.25-0.35 0.25-0.35 0.25-0.35 0.25-0.35
  Flexural Strength MPa ≥210 ≥200 ≥140 ≥210 ≥90
  Flexural Modulus GPa ≥9 ≥10 ≥9 ≥10 ≥6
  Impact Strength kJ/㎡ ≥70 ≥110 ≥60 ≥130 ≥35
  Fire/Heat Performance            
  Heat Distortion Temp. ℃ ≥220 ≥280 ≥220 ≥220 ≥220
  Fire Retardancy   2.5mm,V0 / 3.0mm，V0 4.0mm，V0 4.0mm，V0
  Limited Oxygen Index ％ ≥36 / ≥35 / ≥32
  Main Properties   Good surface gloss/
Good mechanical strength /
High fire retardancy 		 Excellent mechanical properities/
Heat resistance /Superior UV aging resistance/ Good dimensional stability /Superior stratch resistance

 		 Fire retardance/ Static resistance/ Good electrical performance / Good flame retardancy     Good surface gloss/
Good mechanical strength /
Good fire retardancy		 light weight / Low DK
Important Notes: the above property data is from our laboratory test results. Please do NOT use these data for determine suitability of any particular application and requirement. We are not responsible for that any property data from our actual product being difference compared to this list.
Please always contact our technical/sales team for more information.
Industries We Served

Applications of GYCPRO SMC

  • Automotive Industry
    Automotive Industry
  • Rail Transit Industry
    Rail Transit Industry
  • Power Industry
    Power Industry
  • Electrical Equipment Industry
    Electrical Equipment Industry
  • Energy Storage Industry
    Energy Storage Industry
  • Building Materials Industry
    Building Materials Industry
  • Modular Bathroom / Sanitary Ware Industry
    Modular Bathroom / Sanitary Ware Industry
How SMC Manufactured

Our SMC Manufacturing Process

  • Incoming-Inspection
    1. Incoming Inspection
  • Mixing
    2. Mixing
  • coating-and-fiber-deposition
    3. Coating & Fiber Deposition
  • Compaction
    4. Compaction
  • Packing
    5. Packaging
  • Thickening
    6. Thickening
  • Final-Inspection
    7. Final Inspection
  • shipping
    8.Shipping
Certified Factory

Our Valued Certifications

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Custom SMC Solutions for Your Project

  • Custom fiber content
  • Flame retardant modification
  • Color customization
  • Thickness adjustment
  • Special performance requirements
Case Studies

Real Application Cases

Frequently Asked Questions

FAQ of SMC

  • Q What is a sheet molded compound?

    Sheet Molding Compound (SMC) is defined as a ready-to-mold material that consists primarily of glass fiber-reinforced thermoset (TS) polyester resin in sheet form, which is processed to enhance its performance and can be tailored for specific applications.

Looking for a Reliable SMC Manufacturer?

• Partner with GYCPRO for high-quality Sheet Molding Compound solutions tailored to your industry.

Start Sourcing SMC from Factory?

Our SMC materials are exported to over 30 countries and trusted by global manufacturers for consistent quality, reliable delivery, and responsive technical support.
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Contact Us
    zyh@gycfrp.com
   +86-13915059385
    Unit1 Yongcheng Technology, Yonganzhou Town, Gaogang District, Taizhou City, Jiangsu Provice, China
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