WYNCA · Industrial Sealant Manufacturer

Premium Sealant Solutions
Trusted Worldwide

Professional sealant manufacturer from China. Exporting PU foam, silicone sealants & structural adhesives to Vietnam, Middle East & Africa. OEM/ODM available.

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Export Quality

Products shipped to Vietnam, Middle East & Africa with ISO-certified quality management system

R&D Strength

20+ years of sealant R&D experience, continuously launching high-performance products

OEM/ODM Available

Custom branding & flexible small-batch production. Full ODM support for your unique requirements

Global Service

Mature export operations, wide logistics coverage, fast response times

Product Range

High quality PU foam & silicone sealant products for diverse industrial applications

CW 900 PU Foam Sealant

CW 900 PU Foam Sealant

Single-component polyurethane foam. Expansion filling, thermal insulation & soundproofing. Ideal for door/window installation, pipe sealing & void filling.

Spec: 900ml/can
PU FoamWindow & DoorInsulation
HR PU Foam Sealant

HR PU Foam Sealant

High-efficiency polyurethane foam sealant with high bonding strength & fine foam texture. Widely used in construction joint filling & sealing.

Spec: 750ml/can
PU FoamJoint FillingHigh Bond
XM Two-Component PU Corner Adhesive

XM Two-Component PU Corner Adhesive

Two-component reaction-type polyurethane corner adhesive. Fast curing, high strength. Designed for door/window corner joints.

Spec: 750g/set
Two-ComponentCorner AdhesiveHigh Strength
Wynca 740 Neutral Silicone Sealant

Wynca 740 Neutral Silicone Sealant

Neutral cure silicone sealant. Wide adhesion range, excellent weather resistance. Suitable for window/door frame waterproofing.

Spec: 300ml / 500ml/cartridge
Neutral SiliconeWindow SealWeather Resistant
Wynca 730 Neutral Silicone Sealant

Wynca 730 Neutral Silicone Sealant

Neutral silicone sealant designed for conservatories & sunrooms. UV resistant, high & low temperature tolerant.

Spec: 300ml / 500ml/cartridge
Neutral SiliconeSunroomUV Resistant
Wynca 995 Structural Silicone Sealant

Wynca 995 Structural Silicone Sealant

High-performance structural sealant, passing JC/T 887 standard. Suitable for glass curtain walls and stone curtain walls.

Spec: 300ml / 550ml/cartridge
Structural SealCurtain WallJC/T 887
Wynca Acidic Silicone Sealant

Wynca Acidic Silicone Sealant

Economical acidic silicone sealant. Fast curing, good transparency. Suitable for glass, aquariums, interior decoration.

Spec: 280ml/cartridge
Acidic SiliconeTransparentFast Cure
Wynca 728 Weather-Resistant Silicone Sealant

Wynca 728 Weather-Resistant Silicone Sealant

Weather-resistant neutral silicone sealant. Anti-aging, anti-displacement. Designed for exterior expansion joints and roof waterproofing.

Spec: 300ml / 550ml/cartridge
Weather SealExteriorAnti-Aging

Engineering Projects

Wynca sealants are widely used in landmark buildings and industrial projects worldwide

High-Rise Curtain Wall

High-Rise Curtain Wall Project

A provincial CBD complex, 200m+ height, curtain wall area over 80,000m2. Wynca 995 structural sealant ensures structural safety under high wind pressure.

Curtain WallHigh-RiseWynca 995
Residential Window

Residential Window & Door Project

Window frame-to-wall joint filling. CW 900 PU foam significantly reduces building energy consumption.

WindowsInsulationCW 900
Metro Tunnel

Metro Tunnel Waterproofing Project

Wynca 728 weather-resistant sealant applied to metro segment joint waterproofing. Long-term resistance to groundwater and soil alkali corrosion.

MetroWaterproofingWynca 728
Bridge Expansion

Bridge Expansion Joint Project

Large bridge expansion joint sealing. Wynca 740 neutral silicone — aging resistant, anti-displacement.

BridgeExpansion JointWynca 740
Industrial Plant

Industrial Plant Steel Structure

Steel roof and wall joint sealing. Wynca 730 — UV resistant, high elasticity.

PlantSteel StructureWynca 730
Sunroom

Sunroom Waterproofing Project

Large conservatory glass roof joint sealing. Wynca 730 specialized formula, UV aging resistant.

SunroomWaterproofingWynca 730
Commercial Curtain Wall

Commercial Curtain Wall Project

Large commercial complex curtain wall project. Wynca 995 structural silicone, JC/T 887 certified.

Curtain WallCommercialWynca 995
Stadium Roof

Stadium Roof Sealing Project

Sports arena and exhibition center large-span roof structures. Wynca 728 with superior anti-aging and anti-fatigue performance.

StadiumRoofWynca 728

Manufacturing Strength

Standardized production base with automated production lines, stable and controllable quality

Wynca Production Base
Production Workshop
Warehouse
R&D Center

Certifications

Complete management system certifications. Product quality meets domestic and international standards

✓

Quality Management System

ISO 9001 Quality Management System certified. Stable and controllable product quality.
✓

Environmental Management System

ISO 14001 Environmental Management System certified. Green production for sustainable development.
✓

Occupational Health & Safety System

ISO 45001 Occupational Health and Safety Management System certified. Employee safety guaranteed.

Contact Us

Ready to discuss your project? Get in touch with our export team.

Phone

+86 134 8641 5955

Email

zhangve99999@gmail.com

Factory Address

Xin'an Building, No.1 Jiangbin Middle Road,
Xin'an Jiang Street, Jiande City, Zhejiang Province

WhatsApp

+86 134 8641 5955

Chat on WhatsApp

Direct chat with our export team. Get real-time quotes.

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