Reliable Sealant&adhesive Solutions, Built for Long-Term Partnership.
We are professinal high quality
silicone sealants supplier
Mainly engaged in R&D, production, and sales of Silicone sealant, PU FOAM, MS Polymer Sealant, hot-melt butyl sealant, etc.
b2b is our business style.
About Company
HARMOCHEM is a leading manufacturer and exporter of high-quality silicone sealants and related sealing solutions, established in 2018 and based in Hangzhou, China. The company is engaged in the production, R&D and international supply of sealant solutions for construction and industrial applications.
With a strong focus on innovation, quality and customer satisfaction, HARMOCHEM supplies a wide range of sealant products for overseas OEM customers.
- Neutral Silicone Sealant
- Acetic Silicone Sealant
- High-Temperature Silicone Sealant
- Two-Component Silicone Sealant (Curtain Wall & Insulating Glass)
- MS Sealant
- PU Foam
- Butyl Hot-melt Sealant
R&D Capability
Offering products that not only meet but exceed customer expectations with high-quality solutions.
Broad Product Range
Silicone sealant, PU FOAM, waterbased adhesive, PU sealant, etc.
quality approved
strict quality standards, carefully implemented processes and empirical testing
multilingual Sales Team
Support in English, Portuguese, and Spanish
Our products
We Also Offer
silicone sealant–related raw materials and technical support
In addition to finished silicone sealant products, HARMOCHEM offers silicone sealant–related raw materials and technical support. Leveraging long-term cooperation with raw material suppliers and practical production experience, we support customers in material selection, stable supply, and formulation application. Our supply scope includes:
- PDMS Silicone OIl
- Alcoxy Silicone Oil
- STP Series
- OH Polymer 107
- Others raw materials & Silicone base compound
solutions
why choose us
We cooperate with customers across more than 20 countries worldwide. Below is what our partners say about working with us.
CONSTRUCTION MATERIALS DISTRIBUTOR
CHEF
“We have been cooperating with Patricia for 7 years. Product quality is stable from batch to batch, and technical feedback is always timely and practical. This consistency helps us maintain long-term relationships with our local customers.”
oem customer
DIRECTOR
“HARMOCHEM understands OEM requirements very well. From formulation adjustment to private label support, communication is clear and professional. Their technical sales team makes cooperation efficient and reliable.”
Building Materials Importer
CHEF
“What we value most is the long-term mindset. HARMOCHEM does not simply supply products, but provides stable quality, on-time delivery and continuous technical support based on market feedback.”
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Partnering for Growth, Sealed by Silicone Solutions!
No. 4668 Jiangdong Avenue, Qianjin Street, Qiantang District, Hangzhou City, Zhejiang Province
Tel: +86 15869026792
Email: info@harmochem.com