What is the shelf life of the product?

The shelf life is 6 months for some variants and 9 months for others.

Is the adhesive solvent-free?

Yes, the product is solvent-free and can be painted or powder-coated after hardening.

Long-Lasting Polyurethane Adhesive for Durable Window Corner Sealing

Name: Long-Lasting Polyurethane Adhesive for Durable Window Corner Sealing
Brand: Shanghai Sepna Chemical Technology Co., Ltd.
SKU: 2128306555

Shanghai, ChinaShanghai Sepna Chemical Technology Co., Ltd.

US$5.00-7.00

100 Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Application

Automobile, Construction, Woodworking

Bonding Function

Structural Adhesive

Model NO.

SP21X

Color

White

Material

Polyurethane

Classification

Room Curing

Characteristic

Weatherability

Promoter Composition

Curing Agent

Transport Package

20PCS/Box

Specification

300ML+300ML double tube

Trademark

SEPNA

Origin

China

HS Code

3506100090

Production Capacity

100000PCS/Year

Key features

High Strength Bonding: Achieves constructional force-locked connections with excellent heat and weather resistance.

Wide Adhesion Spectrum: Suitable for aluminium, gypsum fibre boards, wood, laminate, glass and GRP/GFK surfaces.

Customizable Curing Time: Available in 4 variants: 5-15 mins for general use, 25-30 mins for hot areas, 8-10 mins for cold areas.

Easy Application System: Comes in twin cartridge with static mixing tube for controlled hardening and easy handling.

Large Gap Bridging: Capable of filling assembly joints up to 8 mm width with thixotropic formula that does not drop.

Solvent-Free Formula: Safe and environmentally friendly composition, can be painted or powder-coated after curing.

OEM/ODM Service: Offers custom labeling and protection of market rights for global distributors and partners.

Proven Manufacturer: 10+ years experience with 18 R&D engineers, serving nearly 1000 enterprises worldwide.

Company profile

Years of Export ExperienceHigh Repeat Buyers ChoiceMulti-language Pioneer

Shanghai Sepna Chemical Technology 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.Export Year: 2011-01-01Nearest Port: Shanghai, Ningbo, ShenzhenAverage Response Time: ≤3.14h

AI-Powered supplier vetting

SummarySEPNA demonstrates organized operations, documented service and quality procedures, product R&D activity, OEM/ODM availability, and customization from samples, designs, or fully customized specifications. It reports one production line, adhesive sealant output of 30,000 tons, broad domestic and international market coverage, and lead times within 15 workdays. Overseas support includes installation, debugging, maintenance, repair, and training, with service offered in Russia and participation in an offline trade show. However, the provided information shows no SDK, overseas warehouse, showroom, agent, or branch. Certification holdings and customer case details are not provided, so those areas cannot be confirmed.

Supplier typeThe supplier has dedicated production, R&D, sales, service, purchasing, and quality-control functions, operates one production line, and provides OEM and ODM services. This supports classification as a manufacturer with integrated R&D and service capabilities.

After-Sales capabilityThe supplier reports service procedures with followed records, complaint-handling and corrective-action mechanisms, and overseas services including installation, debugging, maintenance, repair, and training. Coverage is limited in the provided data because service is identified for Russia and the supplier has no overseas warehouse, showroom, agent, or branch.

R&D capabilityThe supplier reports new products during the past year and offers ODM services, indicating active product development and design capability. It explicitly has no available SDK, so software-development integration capability is not demonstrated.

Production capacityThe supplier operates one production line and reports adhesive sealant output of 30,000 tons, with lead time within 15 workdays during the off-season and broad export-market coverage. The equipment list includes mixing, testing, drying, aging, and inspection equipment, supporting established manufacturing and testing capability.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, and full customization, alongside OEM and ODM services. These statements directly demonstrate broad product customization capability.