New products from waste rubber sources
Tested, fabricated and installed 100m separator at Nguyen Van Troi Street, section 3, and 50m 2 waste rubber tiles at Huynh Khuong Ninh Primary School, District 1 (HCMC) gave positive results.
Dr. Mai Ngoc Tam, Ho Chi Minh City Building Materials Research Center has just introduced two products: separating road and carpet tiles from waste rubber materials.
Waste rubber sources can produce carpet tiles . Photo: P. Tu
Raw materials that make up normal rubber tiles nowadays include: Waste rubber, natural rubber, sulfur, black coal, promotion material, plasticizer, old room. To create tiles of rubber mats from waste rubber only: Waste rubber, PU glue (glue with high adhesive ability), color.
Technological process of manufacturing these two products from used waste rubber and PU glue: After mixing rubber, PU glue, color, additives, the mixture will be molded, pressed and cured to create into products. The production process is safe, does not pollute the environment.
. and separation. Photo: P.Tú
Solutions to recycle waste rubber in the world: by ways of creating recycled rubber, construction materials, directly burning electricity, burning in cement kilns, turning into oil.
According to Dr. Tam, waste rubber used by this technology is not vulcanized (the process of creating rubber materials using sulfur to create polymer circuit) so the process is simple, easy to apply and can create products Large size without restriction according to the size of the mold. Diverse and small products such as sugar tiles, large like rubber mats in stadiums .
Estimated price of 1 meter of road separator: VND 622,000. 1m 2 rubber tiles: 149,000 VND.
"However, these products also have the disadvantage of low durability, depending on foreign PU glue. In the near future, the team will perfect the technology, overcome the above limitations and put into Mass production, " said Dr. Tam.
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