List of active volcanoes in the Philippines. 1  Mayon in Albay is the most active volcano in the Philippines. 2  Taal in Batangas. 3  Kanlaon in Negros island. 4  Bulusan in Sorsogon. 5  Smith in Calayan. 6  HibokâHibok in Camiguin. 7  Pinatubo in Zambales. 8  Musuan in Bukidnon.
Diffen âº Home Improvement. Regular PVC (polyvinyl chloride) is a common, strong but lightweight plastic used in construction. It is made softer and more flexible by the addition of plasticizers. If no plasticizers are added, it is known as uPVC (unplasticized polyvinyl chloride), rigid PVC, or vinyl siding in the U.S.iffen âº Home Improvement. Regular PVC (polyvinyl chloride) is a common, strong but lightweight plastic used in construction. It is made softer and more flexible by the addition of plasticizers. If no plasticizers are added, it is known as uPVC (unplasticized polyvinyl chloride), rigid PVC, or vinyl siding in the U.S.
Regular PVC (polyvinyl chloride) is a common, strong but lightweight plastic used in construction. It is made softer and more flexible by the addition of plasticizers. If no plasticizers are added, it is known as uPVC (unplasticized polyvinyl chloride), rigid PVC, or vinyl siding in the U.S.dit Cost. It is very cheap to manufacture many PVC and uPVC products, which is why they are so ubiquitous in a wide variety of affordable products. PVC pipe can be bought by length or weight. The thicker the piping, the most expensive the pipe will be.