primers

Hayakawa Rubber Co. Ltd. has developed a primer that enables the adhesion-based repair of conventional thermoplastic polyolefin (TPO) sheets, which are used as a rooftop waterproofing material in large buildings such as factories, warehouses and commercial facilities. The company has then also started selling a new rooftop waterproofing method in the form of a soft polyvinyl chloride (PVC) sheet using...