What is the mixing ratio for Part A and Part B?

The mass ratio for mixing Part A and Part B is 1:1.

What are the main applications for this sealant?

It is used for filling, coating, casting, and bonding in electronics, transformers, and charging piles.

Low Viscosity Waterproof Electronic Polyurethane Potting Sealant for PCB

Name: Low Viscosity Waterproof Electronic Polyurethane Potting Sealant for PCB
Brand: Shanghai Sepna Chemical Technology Co., Ltd.
SKU: 2054037255

Shanghai, ChinaShanghai Sepna Chemical Technology Co., Ltd.

US$2.00-3.00

100 Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Application

Automobile, Construction, Woodworking

Bonding Function

Potting Sealing

Model NO.

SP295

Color

Black

Composition

Polyurethane

Morphology

Liquid

CAS No.

9009-54-5

Formula

CH3h8n2o

EINECS

210-898-8

Material

Polyurethane

Classification

Room Curing

Main Agent Composition

Polyurethane

Characteristic

Weatherability

Promoter Composition

Curing Agent

Transport Package

25kg/Pail

Specification

A: B=100: 15

Trademark

SEPNA

Origin

China

HS Code

3506100090

Production Capacity

100000PCS/Year

Key features

Excellent Waterproof Performance: Features superior insulation and waterproof properties for reliable electronic protection.

High Thermal Conductivity: Thermal conductivity of 0.69 W/m.K ensures efficient heat dissipation for components.

UL94 V-0 Flame Retardant: Meets UL94 V-0 standard for high safety and fire resistance in electronic applications.

Eco-Friendly and Solvent-Free: Environmentally friendly formulation with no solvents, safe for indoor use.

Customizable Gel Time: Gel time is adjustable based on temperature and weight, offering process flexibility.

OEM Label Service: Supports OEM branding with market rights protection for partners and distributors.

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: ≤3.19h

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.