DRAFT UGANDA STANDARD  
  DUS  2672   
First  Edition  
2023-mm-dd 
 
 
 Refe rence number  
DUS  2672 : 202 3 
© UNBS 2023  
  
Disposable b ouffant c ap — Specification   
 
 
 
 DUS 2672 : 2023 
ii © UNBS 2023 – All rights reserved  
 Compliance with this standard does not, of itself confer immunity from legal obligations  
A Uganda Standard does not purport to include all necessary provisions of a contract. Users are 
responsible for its corr ect application  
© UNBS 2023  
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilised in any 
form or by any means, electronic or mechanical, including photocopying and microfilm, without prior written 
permi ssion from UNBS.  
Requests for permission to reproduce this document should be addressed to  
The Executive Director  
Uganda National Bureau of Standards  
P.O. Box 6329  
Kampala  
Uganda  
Tel: +256 41 7 333 2 50/1/2 
Fax: +256 41 4 286 123  
E-mail: info@unbs.go.ug  
Web: www.unbs.go.ug  
 
 DUS 2672 : 2023 
© UNBS 202 3 – All rights reserved  iii 
 Foreword  
Uganda National Bureau of Standards (UNBS) is a parastatal under the Ministry of Trade , Industry and 
Cooperatives established under Cap 327 , of the Laws of Uganda , as amended .  UNBS is mandat ed to co -
ordinate the elaboration of standards and is  
(a) a member of International Organisation for Standardisation (ISO) ;  
(b) a contact point for the WHO/FAO Codex Alimentarius Commission on Food Standards ; and  
(c) the National Enquiry Point on TBT  Agreement  of the World Trade Organisation (WTO).  
The work of preparing Uganda Standards is carried out through Technical Committees. A Technical 
Committee is established to deliberate on standards in a given field or area and consists of key stakeholders 
including gover nment, academia, consumer groups, private sector and other interested parties.  
Draft Uganda Standards adopted by the Technical Committee are widely circulated to stakeholders and the 
general public for comments. The committee reviews the comments before r ecommending the draft standards 
for approval and declaration as Uganda Standards by the National Standards Council.  
The committee responsible for this document is Technical Committee UNBS /TC 315, Textiles and related 
products . 
 
  DRAFT UGA NDA ST ANDARD  DUS 2672 : 202 3 
 
© UNBS 2023 – All rights reserved  1 
 Disposable b ouffant cap — Specification  
1 Scope   
This Draft Uganda Standard specifies requirements, sampling and tes t methods for dispo sable bou ffant caps  
also known as dispos able hairnets , medical  head caps, head cover s and  mobcap s. 
2 Normative references   
The following documents are referred to in the text in such a way that  some or all of their content constitutes 
requirements of this docum ent. For dated references, only the edition cited applies. For undated references, 
the latest edition of the referenced document (including any amendments) applies.  
ISO 20158 , Textiles — Determination of water absorption time and water absorption capacity of textile fabrics  
ISO 9073 -2, Textiles — Test methods for nonwovens — Part 2: Determination of thickness  
US ISO 1833  (all parts), Textiles — Quantitative chemical analysis  
ISO 9073 -1, Textiles — Test methods for nonwovens — Part 1: Determination of mass p er unit area  
ISO 9073 -15, Textiles — Test methods for nonwovens — Part 15: Determination of air perm eability 
ISO 9073 -18, Textiles — Test methods for nonwovens — Part 1 8: Determination of breaking strength and 
elongation of nonwoven materials using the  grab tensile test  
ISO 9073 -4, Nonwovens — Test methods — Part 4: Determination of tear resistance by th e trapezoid 
procedure  
ISO 8784 -1, Pulp, paper and board — Microbiological examination — Part 1: Enumeration of bacteria and 
bacterial spores based on disintegration  
ISO 2859 -1, Sampling procedures for inspection by attributes — Part 1: Sampling schemes indexed by 
acceptance quality limit (AQL) for lot -by-lot ins pection 
3 Terms and definitions   
For the purposes of this document, the following terms and definitions apply.  
ISO and IEC maintain terminological databases for use in standardization at the following addresses:  
— ISO Online browsing platform: available at http://www.iso.org/obp  
bouffant cap  
cap worn by personnel to reduce the risk of hair and head c ontaminants in controlled areas  DUS 2672 : 202 3 
2 © UNBS 2023 – All rights reserved  
 4 Requirements  
4.1 General requirements  
4.1.1  All material s, dyes and chemicals used in the manufacture of disposable bouffant  caps shall not 
cause any undesirable effects to the body . 
4.1.2  Bouffant caps shall be breathable  and low -linting . 
4.1.3  The disposable bouffant cap shall be fitted with a suitable securi ng mechanism that fits comfortably 
around the head of th e wearer  and ensures ease of . wearing  and removing . 
NOTE  The mechanism may be an elasticated double stitch  
4.1.4  Disposable bouffant caps shall be free from defects that affect their appearance and/or performance , 
and free from mark s, spots  or stains incurred in their manufacture . 
4.1.5  Disposable bouffant caps shall be evenly meshed throughout the material surface .  
4.1.6  Disposable bouffant caps should be free from latex. If latex is used, it shall be decl ared. 
4.2 Specific requirements  
4.2.1  Fibre composition  
Disposable bouffant caps shall comply with the declared fibre composition when tested in accordance with a 
relevant part of US ISO 1833.   
4.2.2 Physical  requirements  
Disposable surgical caps s hall comply with the physical  requirements given in Table 1 when tested in 
accordance with the test  methods prescribed therei n. 
Table 1 — Physical requirements for di sposable bouffant caps  
S/N Parameter  Requirement  Test method  
i Mass per unit area, g/m2, min.  9 ISO 9073 -1 
ii Thickness, mm, min.  0.12 ISO 9073 -2 
iii Absorption capacity, s  Above 60  ISO 20158  
iv Air permeabilit y, I/cm2.s, min.  0.015  ISO 9073 -15* 
v Breaking strength, N, min.  Cross direction  6 ISO 9073 -18 
Machine direction  10 
vi Tearing strength, N, min.  Cross directio n 6 ISO 9073 -4 
Machine direction  9 
*Use differential pressure of 100 Pa across the spe cime n  
 
4.2.3 Microbiological requ irements  
If declared to be sterile, bouffant caps shall comply with the microbiological requirements given in Table 2  
when t ested in accordance with the test methods specified therein.  DUS  2672 : 2023 
© UNBS 2023 – All rights reserved  3 
 S/N Parameter  Requirement  Test 
method  
i Pseudomonas aeruginosa, c fu/g Not detected  ISO 8784 -1 
ii Staphlococcus aureus, cfu/g  
iii Candida albicans, cfu/g  
iv Total viable count , cfu/g , max 100 
 
4.2.4 Dimensions  
The dimensions of bouffant caps shall comply with the declared  dimensions when measured with the aid of  a 
vernier calliper . Annex A offers guidance on recommended sizes.   
5 Packaging  
Disposable bouffa nt caps  shall be packaged in suit able mat erial so as to protect them from damage during 
transpo rtation and storage.  
6 Labelling  
Each  secondary package  shall be legibly and indelibly labelled  with the following information:  
a) manufacturer’s name , address  and/or tradem ark; 
b) product name such as “Bouffant cap”; 
c) size of bouffant cap ; 
d) type of mate rial used such as “100 % Polypropylene ”; 
e) instru ctions for use and disposal;  
f) number of units in the package ; 
g) country of origin.  
7 Sampling  
Sampling shall be done in accordance with US ISO 2859 -1 DUS 2672 : 202 3 
4 © UNBS 2023 – All rights reserved  
 Annex  A 
(normative)  
 
Recommended bouffant cap sizes  
General  
Dimensions are as sessed as guided by Figure A.1.  
In case o ne wants to find the right size that fits them, it is recommended that one wraps a measuring tape 
around the head,  keeping it above the ears, and allowing it to meet in t he middle of the forehead. In case one 
is at the borderline between two sizes, a smaller size for a tighter fit is recommended while a larger size for a 
looser  fit is rec ommended.
  
Figure A.1 — Typical figure of a bouffant cap  
Table A.1 — Recommended bouffant c ap sizes  
Size 
inches  Diameter of constricted openi ng 
(A) 
cm Diameter of D istended opening 
(A) 
cm Cap Di ameter (B)  
cm 
18 19 45.5 24 
21 13 53.5 30.5 
24 15 60 33.5 
 
 
 
 
 
 
 
 
 
 DUS  2672 : 2023 
© UNBS 2023 – All rights reserved  5 
 Bibliography  
DKS 2933:2021 , Disposable Surgical Cap – Specification  
 DUS 2672: 2023 
6 © UNBS 2023 – All rights reserved  
 Certification marking  
Products tha t conform to Uganda standards may be ma rked with Uganda National Bureau of Standards 
(UNBS) Certification Mark shown in the figure  below.  
The use of the UNBS Certification Mark is governed by the Standards Act, and the Regulations made 
thereunder. This ma rk can be used only by those licensed u nder the certification mark scheme operated by  
the Uganda National Bureau of Standards and in conjunction with the relevant Uganda Standard. The 
presence of this mark on a product or in relation to a product is an ass urance that the goods comply with the 
requireme nts of that standard under a system of  supervision, control and testing in accordan ce w ith the 
certification mark scheme of the Uganda National Bureau of Standards. UNBS marked products are 
continually checked  by UNBS for conformity to that standar d.  
Further particulars of the terms and condi tions of licensing may be obtained from the D irector, Uganda 
National Bureau of Standards.  
 
 DUS 2672 : 202 3   
 
ICS 59.080.99  
Price based on nn pages  
© UNBS 2023– All rights reserved