What is the minimum joint width for application?

The minimum joint width should be 5mm to maintain flexibility.

What are the packaging options available?

Available in 310ml cartridges (20 pcs/carton) and 600ml sausages (20 pcs/carton).

PU (Polyurethane) Sealant for Construction Expansion Joint Caulking (Surtek 3511)

Name: PU (Polyurethane) Sealant for Construction Expansion Joint Caulking (Surtek 3511)
Brand: Beijing Comens New Materials Co., Ltd.
SKU: 615661862

Beijing, ChinaBeijing Comens New Materials Co., Ltd.

Negotiable

2,000 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Expansion Rate

Material

Elastomer Materials

Model NO.

Surtek 3511

Color

Black/White/Grey

Density

1.35 ± 0.05 Kg/L

Tack-Free Time

~ 50 Min

Curing Rate

~ 3 mm/24hrs

Movement Capability

25 %

Shore a Hardness

30 ± 5

Tensile Strength

≥ 2 MPa

Elongation at Break

≥ 700 %

Tear Strength

≥ 6 MPa

Application Temperature

≥ -5 ℃

Type

Sealant

Mildew Proof

Bonding Material

Glass

State

Paste

Seal Tape Kind

Uniform Paste

Seal Tape Usage

Construction Joint Sealing

Transport Package

310ml Cartridge 600ml Sausage 200L Drum

Specification

ISO9001/TS16949

Trademark

Surtek

Origin

China

HS Code

3506100090

Production Capacity

72000000PCS/Year

Key features

Multi-Color Options: Available in Black, White, and Grey to match various construction aesthetics.

Excellent Durability: Superior resistance to water, oil, low temperatures, and aging for long-term performance.

ISO Certified Quality: Manufactured strictly under ISO9001 and ISO14001 quality management systems.

Solvent-Free Formula: Environmentally friendly one-component sealant with no sagging and strong bonding.

High Elongation: Features up to 700% elongation at break for superior movement capability of 25%.

Versatile Application: Ideal for sealing joints in concrete, airfield pavements, brick, wood, and metal.

Flexible Customization: Offers full, minor, and flexible customization options based on samples or designs.

Company profile

Importers and ExportersYears of Export ExperienceMulti-language PioneerExhibition Experience

Beijing Comens New Materials Co., Ltd.

Beijing, 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: 20 Years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤15h

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad customization and R&D capabilities, including recent new-product development, ODM services, SDK availability, and OEM services for well-known brands. Its quality and service systems include documented inspection procedures, supplier-management procedures, corrective and preventive action records, complaint-handling procedures, quality assurance, and raw-material traceability. The supplier has inventory capacity, valid contracts with affiliated subcontractors, and stated peak- and off-season lead times within 15 working days. Overseas services are offered in the United Arab Emirates, Thailand, Indonesia, and Russia, primarily through training, but the supplier has no overseas warehouse, showroom, agent, or branch. Evidence is insufficient to confirm certification holdings, financial credibility, or specific customer cases. The supplier is identified as a combined company engaged in production and sales of adhesives, coatings, inks, building materials, chemical materials...

Supplier typeThe supplier is identified as a combined company. Its stated business scope covers production of adhesives, coatings, and inks, together with sales of building materials, non-hazardous chemical materials, mechanical and electronic equipment, and instruments.

After-Sales capabilityThe supplier reports technical and sales support, documented complaint-handling procedures, overseas training services in the United Arab Emirates, Thailand, Indonesia, and Russia, and participation in an international trade exhibition. However, it has no overseas warehouse, showroom, agent, or branch, which limits the directly evidenced local-service infrastructure.

R&D capabilityThe supplier reports new products within the past year, ODM services, SDK availability, and one national science and technology progress award. These items directly support an established R&D and innovation capability.

Production capacityThe supplier lists a prepolymer reactor, mixing equipment, and wrapping machine; has inventory capacity; maintains valid contracts with affiliated subcontractors; and reports lead times within 15 working days in both peak and off-season periods. Documented inspection, supplier-management, corrective-action, complaint-handling, quality-assurance, and traceability procedures further support production and operational control.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. These capabilities are stated consistently in both the R&D and design-service information.

Client casesThe supplier states that it provides OEM services for well-known brands, which is direct evidence of at least one type of customer engagement. However, no customer names, project descriptions, order scope, or performance outcomes are provided.