Updated on February 5, 2024

·

Created on August 27, 2015

Olyset Net

Upcoming Update

Olyset net is a long lasting insect net.

Developed By
  1. Sumitomo Chemical
Tested By
  • University of London
Content Partners
Unknown

Author

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 SDGs

SDG 3: Good Health and Well-Being

Target Users (Target Impact Group)

NGOs

Distributors / Implementing Organizations

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

Competitive Landscape

Direct competitors include PermaNet 2.0 and Interceptor.

Manufacturing/Building Method

Mass manufactured in Africa

Intellectural Property Type

Patent

User Provision Model

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

Distributions to Date Status

30 million nets produced per year

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)

No

Design Specifications

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

Technical Support

N/A

Replacement Components

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

Lifecycle

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

Manufacturer Specified Performance Parameters

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

Vetted Performance Status

Testing results from the National Institute of Malaria Research.

Safety

Unknown

Complementary Technical Systems

Unknown

Academic Research and References

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.

 

Against Malaria: Where Do We Buy Our Nets?” The Against Malaria Foundation, 2020.

Compliance with regulations

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

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

Other Information

Detailed report on economic impact of local Olyset Net manufacturing facility

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