Olyset Net

Sumitomo Chemical

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Manufacturing & delivery
Performance & use
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Product description Brand name and product description

Olyset Net: A long lasting insecticidal net (LLIN) using hybrid polymer and controlled insecticide release technology to repel, kill, and prevent mosquitos from biting for up to five years.

Target region(s) Target region for distribution/implementation (listed by country if specified)

Eastern Africa and India. ^Interview ^with ^{representative}

Distributors/implementing organizations Organization(s) distributing/deploying this product directly to communities/individuals?"

NGOs purchase the nets and distribute them, along with the nets being sold at local supermarkets in Africa.

Market suggested retail price Price per unit or service price per usage/terms (USD). Subsidies noted.

Long-lasting insecticidal nets cost about $5 USD, although no specific pricing details about the Olyset Net.

Competitive landscape Similar products available on the market. May not be a comprehensive listing.

Interceptor, PermaNet 2.0, PermaNet 3.0

SDG targeted United Nations Sustainable Development Goals (SDGs) targeted with this product/application/service

Goal 3: to improve and promote good health.

Protection against mosquitos that can carry deadly viruses, including malaria, yellow fever, and other viruses.

Target user(s) Target user/consumer base (country, income segment)

NGOs looking to distribute the nets, and individuals who need protection from malaria-carrying mosquitos at night while they sleep.

Manufacturing/building method(s) Detail regarding solution production or construction method (instructions, mass production capacity, custom made,etc...)

Mass manufactured in Africa

Product Intellectual Property Open source/IP protected (note patent)/trade secret/other?

Patent protected

User Provision Model Where can the product be purchased/acquired by end users?

Olyset Nets are available for purchase in all leading supermarkets in Kenya. NGOs also distribute the nets.

Distribution to date Number of units that have been deployed, downloads or users to date

30 million nets produced per year

Fields marked are sourced values that have been evaluated by the manufacturer or a third party, all others are design specifications.

Bursting Strength (kPa)

350

Denier

189 + 15%

Expected lifespan (months, washes)

60, >20

Insecticide content (g/kg)

20 + 3

Insecticide(s) used

Permethrin

Mesh (holes/cm^2)

8.7

Protection from insect entry (yes/no)

Yes

Retreatment required? (frequency)

Design specifications Component and Operation overview including power, portability, facility requirements, preventative maintenance and user training requirements

Liquid permethrin is slowly released into the polyethylene fibers of the net over a course of 3 years.

> 150 denier content Controlled release technology Washable Odorless

Olyset Nets come in 3 sizes: Rectangular, Rectangular (Special Size), Conical, and Hammock Cover. See detailed sizing information in the picture below.

Product schematics Design and assembly illustrations

N/A (it’s a net)

Technical support Technical support provided by

N/A

Replacement components Availability of replacement components (in-country, by order,...)

Holes can be patched with local materials, although the insecticide will no longer be present on that spot.

Lifecycle Disposal and warranty

Expected to last 5 years, while some studies show it often lasts 7 years.

Manufacturer specified performance targets Designer / Manufacturer specified targets

5 year durability with consistent results. Repels, knocks down, and kills mosquitoes for longer than traditional ITNs.

Vetted performance Findings of manufacturer evaluations or independent testing centers

Testing results from the National Institute of Malaria Research.

Testing organizations Independent lab, academic research centers, etc.

International Institute of Biotechnology and Toxicology, Malaria Journal, National Malaria Center, University of London School of Oriental and African Studies.

Safety Potential hazards / risks related to operation of this product

Unknown.

Complementary technical systems Performance of this product is improved with another technology (eg. Cookstoves and Wind-blocking skirts)

Unknown.

Academic research Academic research related to the product (e.g. published papers in peer-reviewed journals)

N’Guessan, R., et al., Olyset Net efficacy against pyrethroid-resistant Anopheles gambiae and Culex quinquefasciatus after 3 years’ field use in Cote d’Ivoire. Medical and Veterinary Entomology. 2001 Mar;15(1):97-104.

Sharma, S.K., et al., Wash resistance and bioefficacy of Lyset Net — a long-lasting insecticide-treated mosquito net against malaria vectors and nontarget houshold pests. Journal of Medical Entomology. 2006 Sep 1;43(5):884-888.

Tami, A., et al., Evaluation of Lyset insecticide-treated nets distributed seven years previously in Tanzania. Malaria Journal. 2004 Jun 29;3(19):1-9.

Jeyalakshmi, T., Shanmugasundaram, R., Balakrishna Murthy, P., Comparative efficacy and persistency of permethrin in Olyset Net and conventionally treated net against Aedes aegypti and Anopheles stephensi. Journal of the American Mosquito Control Association. 2006;22(1):107-110.

Sharma, S.K., et al., Field evaluation of Olyset Nets: a long-lasting insecticidal net against malaria vectors Anopheles culicifacies and Anopheles fluviatilis in a hyperendemic tribal area of Orissa, India. Journal of Medical Entomology. 2009 Mar 1;46(2):342-350.

Additional reports and testing found here.

Compliance with regulations Product certifications and standards referenced by designer/manufacturer

Olyset Nets have passed the >20 washes test required by the World Health Organization to be disgnated an LLIN.

Consult Evaluation Methods for a list of ISO fulfillments during product testing.

Evaluation methods Evaluation methods/protocols/guidelines referenced by designer or manufacturer.

Field tests showed dramatic reduction in number of mosquitoes caught, and estimate the Olyset Nets to be guaranteed for at least 5 years.

Full list of testing methods followed in Product Specifications.

Other information

Detailed report on economic impact of local Olyset Net manufacturing facility

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Olyset Net

Sumitomo Chemical

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