Class A Sheet Molding Compound Automotive

Class A Surface Sheet Molding Compound Automotive

PLM-6006 SMC (Sheet Molding Compound) for Automobile

thumb PLM-6006 SMC (Sheet Molding Compound) for Automobile

Class A Surface Sheet Molding Compound Automotive

Car trunk cover, engine cover, fuel tank anti-rock cover, etc.; truck bumper, tool box cover, deflector, fender, battery box cover, etc.; engineering machinery engine cover, control room, bumper, hoarding etc.

Good surface gloss

Extremely low shrinkage

Good water resistance

High strength

Low specific gravity

Model:PLM-6006

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Class A Surface Sheet Molding Compound Overview

PLM-6006 by POLEMA is a high-performance sheet molding compound automotive grade material engineered for high-demand exterior and structural parts. As a leading manufacturer, we supply this advanced sheet molding compound automotive featuring Class-A surface finish, extremely low shrinkage, and high mechanical strength to ensure premium quality for car hood, bumper, and truck cab fabrication.

Technical information (Formula can be designed according to requirements)

Test items	Test Standards	Units	Measured properties of pressed products
Test items	Test Standards	Units	PLM SMC-2308	PLM SMC-2406	PLM SMC-5504	PLM SMC-5506	PLM SMC-5502
Shrinkage	ISO 2577	％	≤0.12	﹤0	≤0.01	≤0.10	≤0.15
Density	ISO 1183	g/cm³	1.70~1.90	1.47~1.53	1.70~1.90	1.70~1.90	1.70-1.90
Tensile Strength	ISO R 527	MPa	≥50	≥65	≥65	≥80	≥100
Bending strength	ISO 178	MPa	≥140	≥140	≥150	≥180	≥240
Flexural modulus	ISO 178	GPa	≥8	≥8	≥8	≥8	≥8
Izod Impact Strength	ASTMD 256	kJ/㎡	≥45	≥50	≥55	≥65	≥65
Application			Universal	lightweight	Very low shrinkage High surface requirements	high strength	Special Purpose

FAQ

What is SMC automotive parts? Which automotive components are commonly made of SMC?

SMC automotive parts are auto components made of Sheet Molding Compound, a composite material composed of unsaturated polyester resin, glass fiber, low-shrinkage additive (LSA) and other auxiliaries, formed by compression molding. It is widely used in automotive manufacturing due to its excellent comprehensive performance. Common SMC automotive parts include: exterior parts (hood, fender, door panel, tailgate, bumper), interior parts (ceiling, instrument panel base, door inner panel), structural parts (automotive structural components), and functional parts (battery case for new energy vehicles, waterproof chassis, electrical component housings).

What are the core advantages of SMC automotive parts compared with traditional metal or plastic auto parts?

Compared with traditional metal (steel, aluminum) and ordinary plastic parts, SMC automotive parts have obvious comprehensive advantages:
① Lightweight: The density is ≤1.90g/cm³, which can effectively reduce vehicle weight, improve fuel efficiency and extend the cruising range of new energy vehicles;
② High strength: The tensile strength is ≥80MPa, bending strength ≥180MPa, with excellent impact resistance and anti-creep performance, which can meet the strength requirements of automotive structural parts;
③ Good surface quality: Flat surface, excellent gloss, easy to paint and color, suitable for automotive exterior parts requiring high surface standards;
④ Corrosion resistance & aging resistance: It can resist corrosion of rainwater, engine oil and other media, and has good anti-UV performance, not easy to fade or age;
⑤ Excellent electrical insulation and flame retardancy: Flame retardant grade reaches UL-94 V0@3mm, suitable for electrical components and new energy vehicle battery cases;
⑥ High dimensional stability: Shrinkage rate ≤0.04%, not easy to deform, ensuring precise matching with other auto parts;
⑦ Efficient production: Suitable for mass automated molding, reducing production cycle and cost.