Publicly listed manufacturer,
Specialised in sealants since 1989

Antas Sealants and Adhesives is a Sydney based company supplying Antas® construction sealants and adhesives in Australia and New Zealand. We offer a range of products based on modified silane (MS), silicone, polyurethane and acrylic polymers. 

Properly engineered and rigorously tested to Australian conditions and standards, Antas® construction sealants and adhesives offer high value to our customers. 

Our products are used in a wide range of applications including  the construction and installation of: precast or fabricated panels; glazing and glass curtain walls; windows and doors; kitchen and bathrooms; and many more.

Antas Sealants and Adhesives

Antas Sealants and Adhesives (Expon Industries Pty Ltd trading as) is an Australian company based in Sydney, New South Wales. We supply the full range of Antas® sealants and adhesives in Australia and New Zealand for construction and other industrial applications.

At Antas Sealants and Adhesives, we focus on product performance and user experience. We are committed to provide customers with value added option of products and close technical support.

Antas Sealants and Adhesives is young, energetic and keen on collaboration with customers and other stakeholders. We are a team built upon core competencies in technical specification, application development, compliance and certification of our products and solutions


Jointas Chemical Co. Ltd is a leading sealant and industrial coatings manufacturer based in Guangzhou, China. Antas® is their sealant brand which has gained remarkable reputation since its introduction in 1989. China Construction Metal Structure Association has ranked Antas® among the best construction sealant brands for 14 consecutive years. 

Started as a private company, Jointas is now publicly listed in Shenzhen Stock Exchange – one of the few companies listed in the main stock exchange market out of the hundreds of sealant manufacture…