GB/T 17596-1998 (GB/T17596-1998, GBT 17596-1998, GBT17596-1998)
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Textiles. Commercial laundering procedure for textile fabrics prior to flammability testing
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GB/T 17596-1998
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Standards related to: GB/T 17596-1998
| Standard ID | GB/T 17596-1998 (GB/T17596-1998) | | Description (Translated English) | Textiles. Commercial laundering procedure for textile fabrics prior to flammability testing | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | W04 | | Classification of International Standard | 59.080.01 | | Word Count Estimation | 9,963 | | Date of Issue | 1998/11/26 | | Date of Implementation | 1999/5/1 | | Quoted Standard | GB/T 8629-1988; GB/T 8632-1988 | | Adopted Standard | ISO 10528-1995, IDT | | Drafting Organization | Shanghai Textile Institute of Measurement Standards | | Administrative Organization | China Textile Institute of Standardization | | Proposing organization | China Textile Association | | Issuing agency(ies) | State Quality and Technical Supervision | | Summary | This standard specifies test methods for washing fabrics repeat business. This standard applies to assessing the commercial impact of repeated washing of fabric flammability performance. | GB/T 17596-1998
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 59.080.01
W 04
eqv ISO 10528:1995
Textiles - Commercial laundering procedure for textile
fabrics prior to flammability testing
ISSUED ON: NOVEMBER 26, 1998
IMPLEMENTED ON: MAY 01, 1999
Issued by: State Bureau of Quality Technical Supervision
Table of Contents
Foreword ... 3
ISO Foreword ... 4
Introduction ... 5
1 Scope ... 6
2 Reference standards ... 6
3 Equipment and reagents ... 6
4 Components of load ... 7
5 Initial calculation ... 7
6 Standard laundering program of automatic washing machine (Type A) ... 8
7 Gentle laundering procedures of automatic washing machine (Type A) ... 9
8 Standard laundering program of wheel washing machine (w type) ... 9
9 Gentle laundering procedure of wheel washing machine (w type) ... 10
10 Test report ... 11
Appendix A (Informative) Typical parameters of washing machine ... 12
Textiles - Commercial laundering procedure for textile
fabrics prior to flammability testing
1 Scope
This standard specifies test methods for repeated commercial laundering of
fabrics.
This standard is applicable to assess the effect of repeated commercial
laundering on the burning performance of fabrics.
2 Reference standards
The clauses contained in the following standards constitute the clauses of this
standard by being quoted in this standard. At the time of publication, the editions
indicated were valid. All standards will be revised; all parties using this standard
should explore the possibility of using the latest version of the following
standards.
GB/T 8629-1988 Textiles - Domestic washing and drying procedures for
textile testing (neq ISO 6330:1984)
GB/T 8632-1988 Textiles - Woven fabrics - Determination of dimensional
change on commercial laundering near the boiling point (neq ISO 675:1979)
3 Equipment and reagents
3.1 Washing machine
3.1.1 Automatic washing machine (Type A)
There is a horizontal drum with a reverse action; the drum diameter is 480 ~
610 mm; it is equipped with 3 or 4 lifting blades; the speed is 30 ~ 52 r/min,
which reverses every 10 ~ 20 r. The liquid level can be controlled to be high and
low. The capacity is 0.3 V1 and 0.54 V1, wherein V1 is the volume of the drum
(see 5.1). There must be a device for heating and controlling the water
temperature. The automatic washing machine shall be in accordance with the
procedures as specified in Chapter 6 and Chapter 7.
Note 1: The scope of machines allowed by this specification is larger than that
6.3 Inject cold soft water to the high-water level; wash for 3 minutes; drain it.
Repeat 3 times to wash 4 times in total. Drain it for 6 min.
6.4 Repeat washing, cleaning and draining 11 times to a total of 12 times.
Note 3: If the specified number of laundering cannot be successfully completed,
the retention time with moisture after draining is up to 18 h.
6.5 According to the washing instructions of the material, dry the specimen
according to one of the drying procedures as specified in GB/T 8629. Press-
iron it at an appropriate temperature (see 3.5) to eliminate wrinkles (if the
material can be press-ironed).
7 Gentle laundering procedures of automatic washing
machine (Type A)
7.1 Put the load m1 of the specified components (see Chapter 4) as calculated
according to 5.2 in the washing machine (3.1.1); add 15 ~ 40 °C soft water to
the low water level under gentle stirring. At the same time, add the detergent
(see 3.4) m2 as calculated according to 5.3.
7.2 If the inlet water temperature is lower than 37 °C, heat to 40 °C ± 3 °C
without stirring; then gently stir for 15 min ± 0.5 min; drain it.
7.3 Inject cold soft water to the high water-level; wash for 3 minutes; drain it.
Repeat 3 times to 4 times in total. Drain it for 3 min.
7.4 Repeat washing, cleaning and draining 11 times to a total of 12 times.
Note 4: If the specified number of laundering cannot be successfully completed,
the retention time with moisture after draining is up to 18 h.
7.5 According to the washing instructions of the material, dry the specimen
according to one of the drying procedures as specified in GB/T 8629. Press-
iron it at an appropriate temperature (see 3.5) to eliminate wrinkles (if the
material can be press-ironed).
8 Standard laundering program of wheel washing
machine (w type)
8.1 Put the load m1 of the specified components calculated according to 5.2
(see Chapter 4) in the washing machine (3.1.2); add cold soft water to the low
water level; add the detergent (see 3.4) m2 calculated according to 5.3.
8.2 Start the machine and inject steam to raise the temperature to 75 °C ± 3 °C
(see note 5); keep it at 75 °C ± 3 °C for at least 15 min. The total laundering
time including the temperature rise is 30 min ± 3 min. Drain it.
Note 5: Due to condensation of water vapor during heating, the water level will
increase, so the final test solution to load ratio will be slightly higher than the
initial 5:1.
8.3 Add cold soft water to high water level; wash for 3 minutes and drain. Repeat
3 times to wash 4 times in total.
8.4 Repeat laundering and washing 11 times to a total of 12 times.
8.5 According to the washing instructions of the material, dry the specimen
according to one of the drying procedures as specified in GB/T 8629. Press-
iron it at an appropriate temperature (see 3.5) to eliminate wrinkles (if the
material can be press-ironed).
9 Gentle laundering procedure of wheel washing
machine (w type)
9.1 Put the load m1 of the specified components (see Chapter 4) as calculated
according to 5.2 in the washing machine (3.1.2); add cold soft water to the low
water level; add the detergent (see 3.4) m2 as calculated according to 5.3.
9.2 Start the machine and inject steam to raise the temperature to 40 °C ± 3 °C
(see note 6); keep it at 40 °C ± 3 °C for at least 15 minutes. Drain it.
Note 6: The water level will increase due to condensation of water during the
heating process, so the ratio of liquid to load will be slightly higher than the initial
5:1.
9.3 Add cold soft water to high water level; rinse for 3 minutes and drain. Repeat
3 times to wash 4 times in total.
9.4 Repeat washing and laundering 11 times to a total of 12 times.
9.5 According to the washing instructions of the material, dry the specimen
according to one of the drying procedures as specified in GB/T 8629. Press-
iron it at an appropriate temperature (see 3.5) to eliminate wrinkles (if the
material can be press-ironed).
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