What payment terms do you accept?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

Does the board deform when exposed to moisture?

No, it is water-proof and damp-proof. After wetting, strength drops by 20-40% but recovers by 100% after drying.

What certifications does the product have?

The product holds BV, CE, and ISO certifications.

4mm Thickness Calcium Silicate Board

Name: 4mm Thickness Calcium Silicate Board
Brand: Shandong Lutai Building Material Co.,ltd
SKU: 711563712

Shandong, ChinaShandong Lutai Building Material Co.,ltd

US$5.00-40.00

1 piece

Sample price:US$0.10/piece.Request sample

Product profile

Customization

Available

Material

Cement

Color

Gray

Model NO.

1220*2440; 1200*2400; 1200/1220*3000

Thickness

5mm-30mm

Fire-Proof Rate

a-Class Incombustible(GB8624-1997)

Incombustibility(Min)

240 Minutes(GB/T9978-1999)

Density

1.2-1.4G/Cm3

Water Content Ratio

<10%

Swelling Ratio

<0.20%

Anti-Bending Strength

>12MPa

Radioactivity

Standard of GB6566-2001

Materials

Tobermorite Crystals, Quartz Sand, Wood Pulp

Size

1200*2400;1220*2440;1200/1220*3000

Usage

Warehouse, Villa, Dormitories, Workshop

Certification

BV, CE, ISO

Customized

Transport Package

Wooden Pallets. 8wooden Pallets in 1*20gp

Specification

1220*2440*5mm-30mm 1200*2400*5mm-30mm

Trademark

Lutai

Origin

Tai an City

HS Code

68118200

Production Capacity

30, 000, 000m2/Annual

Key features

A-Class Fireproof Performance: Incombustible for over 240 minutes according to GB8624-1997 standard.

High Anti-Bending Strength: Exceeds 12MPa, ensuring superior structural durability.

Water and Moisture Resistant: Recovers 100% strength after drying; minimal swelling ratio under 0.20%.

Customizable Thickness: Available in thickness ranging from 5mm to 30mm.

Lightweight and High Strength: Density between 1.2-1.4g/cm3 with excellent load-bearing capacity.

Comprehensive Certifications: Certified by BV, CE, and ISO standards for quality assurance.

Flexible Customization Options: Offers full, minor, and design-based customization services.

Fast Production Lead Time: Ready within 15 working days during both peak and off-peak seasons.

Company profile

High Repeat Buyers ChoiceCooperated with Fortune 500Years of Export ExperienceExhibition Experience

Shandong Lutai Building Material Co.,ltd

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 11 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤10.92h

AI-Powered supplier vetting

SummaryThe supplier manufactures green building and architectural board products, including decorative boards, roof and ceiling materials, fiber cement boards, calcium silicate boards, and integrated housing materials. It reports ISO9001, CE, ASTM, and China Environment Symbol credentials, four production lines, five green building board production lines in its company description, substantial stated product capacity, and 21–30 quality-control staff. The supplier supports extensive customization, exports through self-operated import/export rights, and has 11 years of export experience, with South America, Africa, and Europe identified as markets. Service procedures, complaint handling, corrective actions, finished-product inspection, and supplier assessment are documented and followed. However, it lacks SDK availability, overseas agents or branches, overseas warehouses, overseas showrooms, and a valid manufacturing-capacity contract with related subcontractors. Financial credibility and customer-specific case...

Supplier typeThe supplier is a manufacturer and exporter of building and architectural board products. Its stated scope covers decorative boards, roof and ceiling materials, sound-absorption and insulation wall materials, residential industrial enclosure materials, and integrated housing materials, while its company description identifies multiple production lines and product outputs.

CertificationsThe supplier states that its products have received China Environment Symbol Product recognition and have passed ISO9001 quality-system certification, CE authentication, and ASTM certification. These are explicit certifications or product credentials presented in the supplier description.

After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions, customer complaints, supplier-service assessment, and finished-product inspection. It also has inventory capability and supports multiple quotation and payment methods, but it reports no overseas warehouse, showroom, agent, branch, or overseas-service country, limiting evidence of localized after-sales support.

Production capacityThe supplier reports four operating production lines, five green building board production lines in its company description, 21–30 quality-control staff, and substantial stated output across wooden grain siding, paint-free panels, fiber cement boards, calcium silicate boards, and ceiling panels. It also has in-stock service capability, although it lacks a valid manufacturing-capacity contract with related subcontractors.

Customization capabilityThe supplier explicitly supports customization from designs and samples, full and minor customization, and flexible customization. Its OEM capability for popular brands further supports the ability to adapt products to customer requirements.

Product Q&A

Q:What is the fireproof rating of the board?

The board achieves A-class incombustibility with a minimum incombustibility time of over 240 minutes according to GB8624-1997.

Q:Is the product customizable?

Yes, we offer full customization, minor customization, and flexible options based on designs or samples, including thickness from 5mm to 30mm.

Q:What are the main applications for this board?

It is suitable for partition boards in offices, hotels, and schools, as well as interior panels for carriages, marine vessels, and suspended ceilings.

Q:What is the minimum order quantity?

The minimum order quantity is 20 pieces.

Q:How long is the production lead time?

The average lead time is within 15 working days for both peak and off-peak seasons.