What is the shelf life of the product?

The product has a shelf life of up to 6 months if stored properly in a dry and cool place.

What is the working time for the mixed compound?

The freshly mixed concrete must be applied within a strict 20-minute timeframe.

Premium Underlayment Compound for Easy Residential Flooring Installation

Name: Premium Underlayment Compound for Easy Residential Flooring Installation
Brand: Shanghai Languan New Building Materials Co., Ltd
SKU: 2157704465

Shanghai, ChinaShanghai Languan New Building Materials Co., Ltd

US$7.00

200 Pieces

Sample price:US$10.00/bag.Request sample

Product profile

Customization

Available

Application

Commercial Construction, Decorative Concrete, Residential Construction

Color

Gray

Model NO.

K50

Setting Time

Fast-Setting

Special Additives

Fiber-Reinforced, Shrinkage-Reducing

Type

Ready-Mix Concrete

Dry Powder Density

About 1.3kg\L

Time Before Covering

About 24-48 Hours

Fire Resistance Rating

Mixing Ratio

Cement(25kg) : Water(6.5L - 7L)

Compressive Strength

23-25MPa After 28 Days

Flexural Strength

>7MPa After 28 Days

Transport Package

Pallet

Specification

20kg/bag

Trademark

Lan Guan

Origin

China

Key features

Fast-Setting Formula: Allows grinding and flooring installation within 1-2 days after application.

High Compressive Strength: Reaches 23-25MPa after 28 days for superior durability.

Low Shrinkage Technology: Prevents cracking and ensures long-term surface integrity.

Superior Fluidity: Ensures effortless leveling and an impeccably smooth surface.

A1 Fire Resistance: Provides maximum fire safety rating for commercial and residential use.

Versatile Substrate Compatibility: Suitable for concrete, cement mortar, and stone tile surfaces.

OEM and ODM Services: Offers flexible customization from samples, designs, and full customization.

Long Shelf Life: Up to 6 months when stored in a dry, cool, and sealed environment.

Company profile

High Repeat Buyers ChoiceFast DeliveryFull CustomizationQuality Assurance

Shanghai Languan New Building Materials Co., Ltd

Shanghai, 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: 10 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤2.56h

AI-Powered supplier vetting

SummaryShanghai Languan New Building Materials Co., Ltd. is described as a developer, manufacturer, and seller of environmentally friendly building decoration materials. Its stated scope covers building materials, floor-related solutions, machinery and equipment, hardware, chemical products, communication equipment, and import/export and technical services. The supplier reports OEM service for well-known brands, quality assurance, documented complaint-handling and corrective-action procedures, and facilities including mixing, self-leveling, and automatic packaging lines. However, it has no available SDK, no stated AI-based decision-management practice, no inventory capability, no overseas warehouse or showroom, and no valid manufacturing-capacity contract with affiliated subcontractors. Financial information is limited to years identified as 2021–2023 without performance values. Certification, customer cases, and detailed customization evidence are not sufficiently documented.

Supplier typeThe supplier is presented as Shanghai Languan New Building Materials Co., Ltd., focused on R&D, production, and sales of environmentally friendly building decoration materials. Its business scope includes building materials, insulation materials, sealing fillers, cement products, machinery, hardware, chemical products, and related sales and import/export activities, supporting classification as a building-material manufacturer and supplier.

After-Sales capabilityThe supplier reports clear procedures and records for corrective and preventive actions and customer complaint handling, and describes providing technical guidance and comprehensive customer services. However, it lacks overseas warehouse and showroom capabilities, so the evidence supports structured service handling but not broad overseas after-sales infrastructure.

R&D capabilityThe company describes R&D activity and the ability to develop new materials using existing technology, and its culture emphasizes innovation. However, it explicitly has no available SDK and has not established an AI model for big-data decision support; these limitations prevent a broad conclusion that its innovation capability exceeds requirements.

Production capacityThe supplier states that it conducts production and lists processing and manufacturing activities, with a mixing line, self-leveling production line, and automatic packaging robot. Quality assurance and documented corrective-action procedures are also reported, although there is no valid contract with affiliated subcontractors and no in-stock capability.

Customization capabilityThe supplier reports OEM services for well-known brands and says it provides solutions for difficult floors, technical guidance, and development of various new materials using existing technology. This directly supports some customization and OEM capability, although the slices do not specify product scope, minimum quantities, lead times, or engineering resources.