SMC 65319 Sheet Molding Compound

Kaerda SMC 65319 is a high-performance automotive Sheet Molding Compound featuring 30±2% glass fiber reinforcement, ultra-low shrinkage (≤0.05%), and UL-94 V1 flame retardancy. Designed for demanding automotive structural parts, it delivers exceptional impact resistance (≥80 kJ/m²) and tight dimensional tolerances under severe operating conditions.

Key Highlights: Glass Fiber Content: 30±2% | Density: 1.75-1.85 g/cm³ | Flame Retardancy: V1 | HDT: ≥200°C | Shrinkage: ≤0.05%

Key Technical Specifications

Property Test Standard Unit Value
Density GB/T1463 g/cm3 1.75-1.85
Water Absorption GB/T1462 mg ≤20
Shrinkage Rate GB/T15568 % ≤0.05
Glass Fiber Content GB/T15568 % 30±2
Heat Deflection Temperature (HDT) GB/T1634 ℃ ≥200
Tensile Strength GB/T1447 Mpa ≥80
Flexural Strength GB/T1449 Mpa ≥165
Impact Strength GB/T1451 KJ/㎡ ≥80
Limiting Oxygen Index GB/T 2406.2 % ≥28
Flame Retardancy UL-94 Grade V1

Product Features & Engineering Performance

  • · Ultra-low shrinkage & high dimensional accuracy: Shrinkage rate ≤0.05%, glass fiber content 30±2%. Minimal molding deformation ensures outstanding dimensional stability of finished parts.
  • · Outstanding mechanical properties: Tensile strength ≥80 MPa, flexural strength ≥165 MPa, impact strength ≥80 kJ/m², offering high rigidity and good impact resistance.
  • · Excellent heat resistance: HDT ≥200 ℃, capable of enduring continuous high-temperature conditions for automotive components.
  • · Reliable flame retardancy: Limiting oxygen index ≥28%, UL-94 V1 grade, improving fire-safety performance of vehicles.
  • · Low water absorption ≤20 mg, good humidity and aging resistance. Suitable for mass compression-molding of complex automotive structural parts.

Applications & Component Suitability

· EV power system: Battery housings, ECU shells, high-voltage junction boxes. Low shrinkage ensures long-term sealing; V0 flame retardancy and insulation protect batteries & circuits. · Chassis protection: Chassis guards, wheel arch liners. Resist stone & mud impact, keep tight fit without abnormal noise during driving vibration. · Lamp fittings: Lamp bases, fog lamp housings. No thermal warpage, prevent lamp fogging and water ingress. · Engine peripheral parts: Heat shields, air intake covers. Withstand 200℃ high temperature to protect peripheral pipelines. · Bus interior parts: Seat frames, air ducts. High strength against bumping, high precision and flame safety for assembly. A: · EV power system/ Chassis protection/ Lamp fittings/Engine peripheral parts Q: Can you adjust specifications based on project needs? A: Yes. The parameters shown on the page are representative references, and selected projects can be discussed for adaptation and development. Q: Can you provide samples for testing? A: Yes. Sample testing, TDS / MSDS requests, and early-stage technical evaluation are supported. Q: Do you support long-term bulk supply? A: Yes. The product is supported by real production lines and equipment, making it suitable for stable supply and long-term project cooperation. Q: Can you also support molded product development?

Manufacturing Infrastructure & Quality Control

Kaerda supports full-scale production from customized compounding to finished molded parts with ISO 9001 and IATF 16949 quality compliance:

  • 3 High-Capacity SMC Production Lines: Ensuring precise resin-to-fiber distribution and consistent lot-to-lot maturation.
  • 15 Compression Molding Presses (315T – 2500T): Capable of producing large-format, high-density composite enclosures and structural parts.
  • Integrated Testing Lab: Full testing for tensile/flexural strength, heat deflection temperature (HDT), shrinkage, and UL-94 flame retardancy.

Frequently Asked Questions

· EV power system: Battery housings, ECU shells, high-voltage junction boxes. Low shrinkage ensures long-term sealing; V0 flame retardancy and insulation protect batteries & circuits. · Chassis protection: Chassis guards, wheel arch liners. Resist stone & mud impact, keep tight fit without abnormal noise during driving vibration. · Lamp fittings: Lamp bases, fog lamp housings. No thermal warpage, prevent lamp fogging and water ingress. · Engine peripheral parts: Heat shields, air intake covers. Withstand 200℃ high temperature to protect peripheral pipelines. · Bus interior parts: Seat frames, air ducts. High strength against bumping, high precision and flame safety for assembly. A: · EV power system/ Chassis protection/ Lamp fittings/Engine peripheral parts Q: Can you adjust specifications based on project needs? A: Yes. The parameters shown on the page are representative references, and selected projects can be discussed for adaptation and development. Q: Can you provide samples for testing? A: Yes. Sample testing, TDS / MSDS requests, and early-stage technical evaluation are supported. Q: Do you support long-term bulk supply? A: Yes. The product is supported by real production lines and equipment, making it suitable for stable supply and long-term project cooperation. Q: Can you also support molded product development?

Yes. Kaerda operates an in-house polymer formulation lab and 3 automated SMC production lines. We can adjust glass fiber length and loading, cure kinetics, shrinkage control, and RAL color matching according to your tooling and mechanical requirements.

Absolutely. We provide full TDS/MSDS documentation and batch material samples for initial mold sampling, shrinkage validation, and mechanical testing.

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