There are different compositions of rubber. You would need to find the density of the rubber in question
HDPE pipe can use a rubber ring, if the rubber ring is properly sealed with a steel gasket. The rubber ring must be placed in a groove in the pipe and then the steel gasket is placed on top of it.
you want a soft rubber band ball with strechy rubber bands,but you also want to be carefull that you dont make it to big and to small
rubber ball
I think it is Cotabato and Zamboanga del Sur. These two province are the major producers of rubber in the Philippines so it must be that these two provinces have the most number of rubber trees.
There are quite a few glues that do this. -My favorites are 'Slime' rubber adhesive and Aqua Seal neoprene adhesive.
Use 'Slime' rubber glue for this.
Fibreglass resin.
nailtreasures.com
There is a Butyl rubber adhesive specifically made for that. Available in Home Depot in 3 colours.
PL Premium is very good for that .
Duct tape is sticky due to its adhesive backing, which typically contains a rubber-based or acrylic-based adhesive. These adhesives are designed to adhere well to a variety of surfaces, making duct tape a versatile and reliable tool for repairs and DIY projects.
Use 100% silicone adhesive like PL700.
The sticky side of duct tape is made of a pressure-sensitive adhesive, typically a synthetic rubber-based adhesive. This adhesive allows the tape to adhere to various surfaces and materials.
Benzene is important because it is a building block for many chemicals and materials. It is used in the production of plastics, synthetic fibers, rubber, dyes, and pharmaceuticals. It is also a valuable solvent in various industries.
you rip off or scrape the old stuff apply adhesive where the old stuff was and then apply the new rubber seal
Benzene, C6H6, as shown on the left, is an organic aromatic compound with many interesting properties. Unlike aliphatic (straight chain carbons) or other cyclic organic compounds, the structure of benzene (3 conjugated π bonds) allows benzene and its derived products to be useful in fields such as health, laboratorial, and other applications such as rubber synthesis.