Shenyang Qiangyun Color Steel & Steel Structure Co., Ltd. is one of the most reliable manufacturers and suppliers of 50mm eps sandwich panel in China. With abundant experience, we are committed to providing high quality customized products with competitive price. Welcome to wholesale advanced 50mm eps sandwich panel in stock here from our factory. Also, pricelist is available.

Customized EPS Insulated Wall Panels For Warehouse, Factory & Prefabricated Buildings

Professional EPS Sandwich Wall Panel Manufacturer in China

With over 16 years of sandwich panel manufacturing experience, we supply high-quality 50mm EPS Sandwich Panel to international contractors, steel structure firms and distributors worldwide. Our products are widely used in various building projects and have been successfully exported to Honduras, Brazil, Venezuela, the Philippines, the USA, Africa, the Middle East and Southeast Asia.

Is 50mm EPS Suitable?

Application	Current Fit	What to Confirm
General factory / warehouse / prefab enclosure	Suitable	Confirm project dimensions and installation details
Moderate insulation with cost control	Suitable	Confirm project thermal-performance target
Custom panel length and RAL color	Available	Length 1-20 m; confirm transport feasibility for long panels
Steel skin selection	Available	0.3-0.8 mm; confirm material and coating specification
Fire-performance requirement	Needs verification	Confirm the exact test standard, classification and report before order
Cold-room / food-processing / special environment	Project-specific	Confirm thermal, hygiene, fire and joint requirements before selection

Technical Specifications

Product	50mm EPS sandwich panel
Panel width	950 mm / 1150 mm; customization is stated as available
Panel thickness	50 mm
Panel length	1 m - 11.8 m
Steel skin thickness	0.3 mm - 0.8 mm
Facing material	PPGI / GI / PPGL color-coated steel sheet
Core material	Flame-retardant Expanded Polystyrene (EPS)
EPS density	12 - 20 kg/m³
Working temperature	-40°C to +70°C
Reference lifetime	10-15 years (supplier-stated reference value)
Steel color	Full RAL color chart
Core upgrade	Flame-retardant / high-density EPS
Edge treatment	Standard / reinforced edge
Accessories	Fasteners, sealing strips and flashing

Specifications & Buyer Guidance

Every customizable feature of our EPS sandwich panels is engineered to match your project's performance needs, budget and site conditions. Below are the key specifications, practical benefits and core decision points for buyers.

Specification / Feature	Value	Decision Point
50mm EPS Core	Lightweight insulated enclosure with balanced thermal performance for general projects.	Confirm 50mm thickness meets your project's thermal insulation target.
0.3–0.8mm Steel Skins	Flexible steel thickness options adapt to different load, environment and budget demands.	Confirm required steel substrate, coating and thickness for your site condition.
1–20m Custom Length	Custom panel lengths reduce on-site cutting, waste and improve installation efficiency.	Check transport, handling and container limits before confirming long panels.
12–20kg/m³ EPS Density	Adjustable density balances compression stability and thermal performance.	Specify the exact EPS density in your order to match project requirements.
Full RAL Color Range	Wide color selection realizes unified facade and interior aesthetic matching.	Provide exact RAL number or color sample for accurate customization.
Complete Accessories	One-stop supply of fasteners, seals and flashings for full panel matching.	Confirm accessory quantities and details according to final panel layout.

Project Suitability & Applications

Project Situation	Buyer Guidance
General workshop / warehouse / prefab enclosure	Good starting fit when the project requires a lightweight, cost-controlled enclosure with moderate insulation.
Agricultural or light-industrial facility	Confirm corrosion environment, cleaning requirements, steel coating and panel joint details.
Cold room / low-temperature space	Do not decide by the application photo alone. Confirm thermal target, thickness, joint design and required core material.
Food-processing / hygiene-sensitive area	Confirm surface finish, cleanability, joint details and applicable hygiene requirements.
Project with mandatory fire classification	Confirm exact required standard/classification and obtain the matching test report before order.

Our EPS sandwich panels serve industrial factories, commercial venues, agricultural facilities, modular temporary buildings and light-industry workshops. Common projects also cover standard factories, warehouses and prefabricated constructions.

Certifications & Standards

We operate with ISO 9001, ISO14001, ISO45001 and ISO50001 certifications. The panel steel skins meet European EN standards for coated and hot-dip galvanized steel, delivering reliable quality for international building projects.

Steel, EPS & Panel structure

Customizable panel specs include steel substrate (PPGI/GI/PPGL), steel thickness 0.3–0.8mm, coating weight & thickness, EPS density 12–20kg/m³ and flame-retardant grade. Joint profile, edge treatment and CNC cutting tolerance (±1mm) are also configurable. Please confirm all parameters and test requirements before order.

Final inspection covers appearance, flatness, dimension and connection performance. For export orders, panels are wrapped with waterproof PE film, fitted with edge protection and loaded on fumigated wooden pallets for safe transportation for choice.

Manufacturing & Quality-Control Evidence

The source states that panels are manufactured on fully automatic continuous production lines with raw-material inspection, precision roll forming, lamination, CNC cutting and batch finished-product testing.

Applications

Our panels serve industrial factories, warehouses, prefabricated buildings, agricultural facilities, cold rooms, food-processing zones and fire-regulated projects. This guidance helps you judge the suitability for your project.

Customization, Accessories & Packaging

We offer customized EPS sandwich wall panels for diverse projects. Customization items include panel dimensions, steel substrate, RAL colors, EPS core types, edge profiles and matching accessories to satisfy your construction needs.

Packaging includes sample orders with bubble bags and hard cartons, while bulk orders use waterproof PE film, wooden pallets and edge protectors. Delivery time is normally 10–15 working days after order confirmation.Urgent orders are available.

FAQ

Q1: What details need to be confirmed before purchase?

A: Please confirm the final panel specifications, fire resistance and thermal insulation performance data, panel lengths, joint and edge processing details, supporting accessories, packaging standards and commercial terms before ordering.

Q2: What is your MOQ?

A: We offer flexible MOQ. The standard minimum order quantity is 100 square meters, and small trial orders are negotiable.

Q3: What is your production lead time?

A: The production cycle is 7–15 working days after receiving the deposit and confirmed technical drawings. The exact time depends on panel specifications and order quantity.

Q4: What is the loading capacity for 20GP / 40HQ containers?

The exact loading quantity varies according to panel thickness.the following loading capacity is for reference only.
20GP: 800–1000 sqm
40HQ: 1800–2200 sqm

Q5: What are your main ports of shipment?

A: Our main shipping ports are Tianjin Port and Qingdao Port. We can also deliver goods to other designated ports in China as required.

Q6: What are your payment terms?

A: We mainly accept T/T payment: 30% deposit before production, 70% balance against the copy of Bill of Lading. L/C is acceptable for large orders.

Q7: What is your product warranty policy?

A: We provide a 10-year warranty for material defects under standard installation and normal service conditions. The warranty does not cover damage caused by improper operation, natural disasters or artificial destruction.

Q8: Do you support third-party inspection?

A: Yes. Third-party inspections such as SGS and BV are fully acceptable before shipment. Our factory fully cooperates with all inspection procedures.

Q9: What is your sample policy?

A: Small cut samples are free of charge, customers only need to bear the courier freight. Full-size panel samples are chargeable, and the sample fee can be refunded after bulk order placement.

What to Send for an Accurate Quotation

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Related Products & One-Stop Sourcing

We offer multi-core sandwich panels, steel sheets, coils, steel structures and C/Z purlins. Enjoy consolidated sourcing for projects requiring multiple panel variants and structural accessories.