NZQA registered unit standard
25570 version 2
Page 1 of 3
Title
Demonstrate knowledge of abrasives used in furniture production
Level
2
Credits
4
Purpose
People credited with this unit standard are able to demonstrate
knowledge of abrasives used in furniture production.
Classification
Furniture > Furniture Operations
Available grade
Achieved
Explanatory notes
1
This unit standard may be assessed against on-job or off-job.
2
The reference text for this unit standard is:
Jackson, A. and Day, D, (2nd ed.) 1999. Good Wood Handbook. London, England:
Popular Woodworking Books, which is available at http://www.amazon.com.
Outcomes and evidence requirements
Outcome 1
Demonstrate knowledge of abrasives used in furniture production.
Evidence requirements
1.1
Types of abrasive grains used to sand timber are explained in accordance with
the reference text.
Range
1.2
Different grades of abrasive paper and the type of job they should be selected
for are explained in accordance with the reference text.
Range
1.3
80, 120, 600+.
Different abrasive backings and the type of job they should be selected for are
explained in accordance with the reference text.
Range
1.4
aluminium oxide, silicon carbine, garnet, glass.
paper, cloth, fibre.
Types of glue used to bond abrasive to backing are explained in terms of enduse.
Range
Competenz
SSB Code 101571
natural glue, synthetic resins.
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
1.5
25570 version 2
Page 2 of 3
Methods of coating for abrasives are explained in terms of how the abrasives
are coated and the effect on spacing of grit.
Range
gravity, electro.
1.6
Close grain and open grain abrasives are explained in terms of the types of
timber they should be used on, and the reasons they should be used on those
types of timber.
1.7
Different flexes of coated abrasives are explained in terms of the type of jobs
they should be selected for.
Range
1.8
single, double, triple.
Wet and dry paper are explained in terms of where they are used in the
finishing process and types of finishing coats.
Range
1.9
undercoat, gloss, lacquer, paint.
The requirements for storage of coated abrasives are explained in terms of
temperature and humidity.
Replacement information
This unit standard replaced unit standard 16233.
Planned review date
31 December 2019
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
19 June 2009
31 December 2018
Review
2
19 March 2015
N/A
Consent and Moderation Requirements (CMR) reference
0173
This CMR can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Please note
Providers must be granted consent to assess against standards (accredited) by NZQA,
before they can report credits from assessment against unit standards or deliver courses
of study leading to that assessment.
Industry Training Organisations must be granted consent to assess against standards by
NZQA before they can register credits from assessment against unit standards.
Competenz
SSB Code 101571
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
25570 version 2
Page 3 of 3
Providers and Industry Training Organisations, which have been granted consent and
which are assessing against unit standards must engage with the moderation system that
applies to those standards.
Requirements for consent to assess and an outline of the moderation system that applies
to this standard are outlined in the Consent and Moderation Requirements (CMR). The
CMR also includes useful information about special requirements for organisations wishing
to develop education and training programmes, such as minimum qualifications for tutors
and assessors, and special resource requirements.
Comments on this unit standard
Please contact Competenz at qualifications@competenz.org.nz if you wish to suggest
changes to the content of this unit standard.
Competenz
SSB Code 101571
 New Zealand Qualifications Authority 2016