GB/T 20810-2018 PDF English
US$245.00 · In stock · Download in 9 secondsGB/T 20810-2018: Toilet tissue paper (including toilet tissue base paper) Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedureStatus: Valid GB/T 20810: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 20810-2018 | English | 245 |
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Toilet tissue paper (including toilet tissue base paper)
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| GB 20810-2006 | English | 479 |
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3 days
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[Replaced by GB/T 20810-2018] Bathroom tissue (including bathroom tissue base paper)
| Obsolete |
Excerpted PDFs (Download full copy in 9 seconds upon purchase)PDF Preview: GB/T 20810-2018
GB/T 20810-2018: Toilet tissue paper (including toilet tissue base paper)---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT20810-2018
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 85.060
Y 32
Replacing GB/T 20810-2006
Toilet tissue paper (including toilet tissue base paper)
Issued on. JUNE 07, 2018
Implemented on. JULY 01, 2019
Issued by. State Administration for Market Regulation;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword... 3
1 Scope... 5
2 Normative references... 5
3 Terms and definitions... 6
4 Classification... 7
5 Requirements... 7
6 Test methods... 11
7 Inspection rules... 14
8 Marks, packaging, transport and storage... 16
Annex A (normative) Determination of dispersibility... 18
Annex B (normative) Determination of powder drop rate... 21
Annex C (normative) Determination of microbial indicators... 24
1 Scope
This Standard specifies terms and definitions, classification, requirements, test
methods, inspection rules, marks, packaging, transport and storage for toilet
tissue paper (including toilet tissue base paper).
This Standard is applicable to toilet tissue paper used in daily life and toilet
tissue base paper used for processing toilet tissue paper sold externally.
2 Normative references
The following referenced documents are indispensable for the application of
this document. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any
amendments) applies.
GB/T 450, Paper and board - Sampling for testing
GB/T 451.1, Paper and board - Determination of size and deviation
GB/T 461.1, Paper and board - Determination of capillary rise (Klemm
method)
GB/T 462, Paper and board - Determination of moisture content
GB/T 742, Fibrous raw material, pulp, paper and board - Determination of
ash
GB/T 1541, Paper and board - Determination of dirt
GB/T 2828.1, Sampling procedures for inspection by attributea-Part1.
Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot
inspection
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1 toilet tissue (base) paper made from virgin fiber
toilet tissue paper and toilet tissue base paper that the fiber raw material is 100%
virgin pulp (fiber)
3.3 toilet tissue (base) paper made from virgin non-wood fiber
toilet tissue paper and toilet tissue base paper that the fiber raw material is 100%
virgin non-wood pulp (fiber)
3.4 toilet tissue (base) paper made from virgin wood fiber and virgin non-
wood fiber
3.5 toilet tissue (base) paper made from recycled fiber
toilet tissue paper and toilet tissue base paper that fiber raw materials contain
recycled pulp (fiber)
4 Classification
4.1 Toilet tissue paper and toilet tissue base paper, according to fiber raw
materials, are classified into two categories.
4.2 Toilet tissue paper, according to package style, is classified into roll toilet
tissue paper, disc type toilet tissue paper, flat-cut toilet tissue paper and tissue
toilet tissue paper.
4.3 Toilet tissue paper and toilet tissue base paper, according to number of
layers, are classified into single-layer, double-layer or multiple-layer.
5 Requirements
5.1 Technical indicators of toilet tissue (base) paper made from virgin fiber shall
comply with Table 1.
5.2 Technical indicators of toilet tissue (base) paper made from recycled fiber
shall comply with Table 2.
5.3 Microbiological indicators of toilet tissue paper and toilet tissue base paper
shall comply with Table 3.
5.4 The roll width of toilet tissue base paper, the width of roll toilet tissue paper
and disc type toilet tissue paper, the length and width of flat-cut toilet tissue
paper, tissue toilet tissue paper, shall meet the contract or indicated
requirements.
5.5 The roll weight of toilet tissue base paper, the roll weight (or number of
sections) of roll toilet tissue paper and disc type toilet tissue paper, the
packaging mass (or number of sheets) of flat-cut toilet tissue paper, number of
tissues of tissue toilet tissue paper, shall meet the contract or indicated
requirements.
5.6 The toilet tissue paper shall be punched evenly. It is easy to tear between
sections.
5.7 Toilet tissue paper can be embossed, printed or dyed. The color of the same
batch of products shall be basically the same. Dyed toilet tissue paper shall not
decolor easily.
6 Test methods
6.1 Specimen extraction and processing
Specimen extraction is in accordance with GB/T 450.During quantification, D65
brightness, horizontal liquid absorption height, tensile index, softness, spherical
burst resistance, holes, skewness, deviation measurement,
6.2 Quantification
Quantification is determined according to GB/T 24328.5.Display the
measurement results in single layer.
6.3 D65 brightness
D65 brightness is measured according to GB/T 7974.
6.6 Softness
Softness is measured according to GB/T 8942.Slit width is 5mm. Specimen
size is 100mm×100mm.
6.7 Migrating fluorescent substance
Place the specimen under the UV lamp. Under UV light with wavelengths of
254nm and 365nm, check if there is fluorescence.
6.8 Ash content
Ash content is determined according to GB/T 742.Burning temperature is
575°C.
6.12 Dustiness
Dustiness is determined according to GB/T 1541.For double-layer or multiple-
layer specimen, only measure the outer side of the upper surface. The test area
of each sample (the total area of the upper and lower layers) shall not be less
than 0.5m2.Measure both front and back sides of single layer specimen.
6.18 Deviation
6.19 Appearance quality
Visually inspect the appearance quality. For the detection of toilet tissue paper
defects, breakages, hard blocks, raw grass tendons, pulp masses and other
paper defects and foreign matter as well as other appearance paper defects, it
shall choose any whole roll (disc, package). Open completely. Visually inspect
it.
7 Inspection rules
7.1 The manufacturer shall ensure that the toilet tissue paper and toilet tissue
base paper produced comply with this Standard or contract. The products of
the same raw material and the same specification, with one delivery quantity,
are one batch. Each batch of products shall be accompanied by a product
qualification certificate.
7.2 If the microbiological indicators or raw materials of a batch of toilet tissue
paper and toilet tissue base paper are nonconforming, the batch is determined
to be unacceptable.
7.3 Sampling inspection procedures by attributes shall be carried out in
accordance with GB/T 2828.1.The unit for toilet tissue paper sample and toilet
tissue base paper sample is piece.
7.4 Determination of acceptability. The number of samples for the first
inspection shall be equal to the first sample size given in the plan.
7.5 If the purchaser has objections to the quality of the product, it can notify the
supplier for a joint re-inspection within three months after the arrival of the
goods or entrust a mutually agreed inspection department to conduct the re-
inspection.
8 Marks, packaging, transport and storage
8.1 Sales marks and packaging
8.1.1 The following content shall be marked on the sales package of the product.
8.1.2 The sales packaging of the product shall ensure that the product is not
contaminated. The various signs and information on the sales package shall be
clear and not easy to fade. About Chinese characters, numbers and letters used
in product marks, the font height should not be less than 1.8mm.
8.2 Transport and storage
8.2.1 The transportation of toilet tissue paper and toilet tissue base paper shall
use clean transportation tools. Prevent product contamination. The paper shall
not be dropped from a high place during transportation to avoid damage to the
outer packaging.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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