

OUR STORY
Best adhesives & Sealants manufacturer – KASTAR
With 26 years of expertise in adhesive sealants, advanced manufacturing equipment, and a rigorous quality control system, we have developed the premium KASTAR® brand.

At Kastar, we are committed to offering our customers top-quality products, including MS Polymer Hybrid Sealant, Silicone Sealant, Fire-stop Sealant, Acrylic Sealant, PU Sealant, Epoxy Tile Grout Adhesive, Swimming Pool Waterproof Grout, and more. Our products come with competitive pricing and are backed by exceptional customer service.
As a leading force in China's intelligent manufacturing sector, we have been at the forefront of innovation and development for over 26 years. Our commitment to excellence has earned us a loyal customer base both domestically and internationally.
From research to manufacturing, Kastar offers a comprehensive one-stop solution for building sealants and adhesives.
- Founded in 1999, Kastar’s factory is the largest adhesive sealant manufacturer in China, boasting a 50,000㎡ production facility.
- From 2012 to 2015, Kastar continuously developed and improved the formulation of its tile grout, ensuring enhanced performance and quality.
- In 2018, Kastar tile grout was introduced to the global market, achieving CE certification and securing agents in Singapore, India, Oman, and other regions.
-
From 2019 to 2024, KASTAR not only boosted creativity and efficiency within the industry but also solidified its leadership in technological advancements, shaping the future of epoxy grouting for a more sustainable and efficient construction landscape.
- LEED
- CE
- RoHS
- FCC
- SGC
- Environmental management system certificate
- New high-tech enterprise
- The nozzle of double tube ceramic tile sealer
- MADE IN CHINA Audited supplier
- Kastar is dedicated to providing high-quality products and services, with a vision to become a global leader in the field of building adhesives.
- Quality First
- Customer First
- Continuous Innovation.
- Kastar promotes industry development through technology and innovation, continually creating value for customers and driving progress in the building adhesive sector.
Kastar offers a wide range of construction sealant and adhesive products, carefully crafted to meet the diverse needs of our customers.
Kastar Sealant and Adhesive is eco-friendly, formaldehyde-free, and contains no VOCs, ensuring it is safe for health. It is waterproof, weatherproof, and provides a smooth finish with vibrant colors. Available in 26 standard colors, with customization options, it also resists shrinking, ensuring reliable and long-lasting performance.


KASTAR has built a strong global presence, with products sold in 32 countries and regions, receiving positive feedback from international customers. We actively participate in industry exhibitions worldwide and offer factory visits, providing hands-on production experience to showcase our manufacturing capabilities and unwavering commitment to quality.

With exceptional quality, competitive pricing, and outstanding service, we meet the needs of global customers.
We have always prioritized research and development, and with a strong commitment to innovation, we will continue to expand our brands and introduce new products. As we grow and expand our market presence, we sincerely look forward to collaborating with customers worldwide.