Hubei Minghe Ruihai Import and Export Co., Ltd.
                                                                                                           
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3 Years
Since 2023
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MH551 Polyurethane Sealant for Automotive Bodywork and Skylights - 600% Elongation, -40°C to 90°C Temperature Range

Price Negotiable
Price: CN¥13.78-16.30/pieces
MOQ: 20 pieces
Delivery Time: Negotiable
Brand: Minghe
Product Description
Product Overview
MH551 polyurethane sealant delivers superior sealing performance for automotive bodywork, skylight applications, and marine/rail transport vehicles. This industrial-grade sealant provides excellent adhesion to metal, glass, and various painted surfaces.
Key Features
• Strong adhesion to multiple substrates
• Excellent flexibility and thixotropic properties
• Superior sealing performance with metals, glass, and paints
• Ideal for automotive side glass sealing, railway buses, and marine applications
MH551 polyurethane sealant application on vehicle bodywork Close-up view of polyurethane sealant bead
Technical Specifications
PropertyValueTest Standard
AppearanceBlack, Grey, homogeneous paste-
Sagging properties0 mmGB/T 13477.6
Tack free time35 minutes (approx.)GB/T 13477.5
Curing speed3.2 mm/day (approx.)HG/T 4363
Non-volatile contents97% (approx.)GB/T 2793
Shore A hardness55 (approx.)GB/T 531.1
Tensile strength2.5 MPa (approx.)GB/T 528
Elongation at break600% (approx.)GB/T 528
Operating temperature-40°C to 90°C-
Note: Test results may vary depending on actual environmental conditions.
MH551 sealant technical testing in laboratory Sealant application demonstration on automotive parts
Packaging Options
590ML Sausage
20 sausages per carton, carton dimensions: 36.5×25.5×20cm, weight: 15.5kg
300ML Cartridge
20 cartridges per carton, carton dimensions: 29×26×22cm, weight: 11kg
MH551 sealant packaging options showing sausage and cartridge formats
Frequently Asked Questions
Q: When can I receive my products?
A: Sample orders require 1-3 days. Mass production requires 7-10 working days.
Q: Can you send me samples for reference?
A: Yes, we provide free samples for evaluation.
Q: Can you provide OEM service?
A: Yes, we offer custom volume and tube packaging options.
Q: Where is your factory located?
A: Our factory is located in Hubei Province, and we welcome customer visits.
Q: What payment terms do you offer?
A: 100% trade assurance for sample orders. 30% TT prepayment with 70% balance for mass orders.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Hubei Minghe Ruihai Import and Export Co., Ltd.
Location Room 13A01, Building A, Chengkai Yunyue Mansion Business Center, No. 366 Houhu Avenue, Jiang'an District, Wuhan
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