GB/T 14982-2008 PDF English
US$90.00 · In stock · Download in 9 secondsGB/T 14982-2008: Fireclay refractory mortars 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 14982: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 14982-2008 | English | 90 |
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Fireclay refractory mortars
| Valid |
| GB/T 14982-1994 | English | 239 |
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Fireclay refractory mortars
| Obsolete |
Excerpted PDFs (Download full copy in 9 seconds upon purchase)PDF Preview: GB/T 14982-2008
GB/T 14982-2008: Fireclay refractory mortars---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/GBT14982-2008
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 81.080
Q 46
Replacing GB/T 14982-1994
Fireclay refractory mortars
粘土质耐火泥浆
Issued on: OCTOBER 30, 2008
Implemented on: JULY 01, 2009
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of the People's Republic of China;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword ... 3
1 Application Scope ... 4
2 Normative References... 4
3 Classification ... 4
4 Technical requirements ... 5
5 Test methods... 5
6 Quality evaluation procedure ... 6
7 Packaging, marking, transportation, storage and quality certificate ... 6
Foreword
This standard replaces GB/T 14982-1994 "Fireclay refractory mortar".
Compared with GB/T 14982-1994, the main technical differences of this standard are
as follows.
-- Modify the refractoriness indicator;
-- Designation of phosphate binding refractory mortar is changed by P;
-- Adjust the heating permanent linear-change rate for designations NN-30 and
NN-38;
-- Adjust the heating permanent linear-change test-temperature for designations
NN-42, NN-45 and NN-45P.
This standard was proposed by and shall be under the jurisdiction of National
Refractory Material Standardization Technical Committee.
Drafting organizations of this standard. MCC Wuhan Ye Jian Technology Co., Ltd.
AND Wuhan Weilin lining material Co., Ltd.
Main drafters of this standard. Fang Changrong, Su Boping, Xie Zhaohui, Lei Qingyun,
Peng Yan and Li Bo.
The historical version replaced by this standard is as follows.
-- GB/T 14982-1994.
Fireclay refractory mortars
1 Application Scope
This standard specifies the fireclay refractory mortar’s classification, technical
requirements, test methods, quality evaluation procedures, packaging, marking,
transportation, storage and quality certificate.
This standard applies to fireclay refractory mortars that are used for fireclay bricks.
2 Normative References
The provisions in following documents become the provisions of this Standard through
reference in this Standard. For dated references, the subsequent amendments
(excluding corrigendum) or revisions do not apply to this Standard, however, parties
who reach an agreement based on this Standard are encouraged to study if the latest
versions of these documents are applicable. For undated references, the latest edition
of the referenced document applies.
GB/T 6900 Chemical analysis of alumina-silica refractories
GB/T 7322 Refractory products - Determination of pyrometric cone equivalent
(refractoriness)
GB/T 15545 Unshaped refractory - Packing, marking, transportation and storage
GB/T 17617 Refractory products - Sampling of raw materials and unshaped
products
GB/T 22459.3 Refractory mortars - Part 3. Determination of joint stability
GB/T 22459.4 Refractory mortars - Part 4. Determination of flexural bonding
strength
GB/T 22459.5 Refractory mortars - Part 5. Determination of grain size distribution
(sieve analysis)
GB/T 22459.7 Refractory mortars - Part 7. Determination of properties at elevated
temperatures
3 Classification
Fireclay refractory mortar, according to physiochemical properties, are divided into 5
designations. NN-30, NN-42, NN-45, NN-45P. N and N represent the first letters of
6 Quality evaluation procedure
6.1 Group-batch
6.1.1 Products are batched according to the same designation in a continuous normal
production. When there are changes in raw materials or production processes, then it
shall be batched separately.
6.1.2 For the same-designation products, the maximum amount of each batch is 60
tons.
6.2 Sampling
Fireclay refractory mortar’s sampling shall be in accordance with the provisions of
GB/T 17617.
6.3 Determination rules
Refractoriness, room temperature flexural bond strength, load softening temperature
are the acceptance test items. When all the inspection results comply with the values
specified in Table 1, then this batch of products are deemed as qualified.
When the inspection results have failed items, it shall re-sample double-quantity
according to 6.2 to conduct re-inspection. If single-value of re-inspection results
complies with the provisions in Table 1, then it is determined that this batch of
products are qualified; otherwise, it is determined as unqualified batch.
6.4 Form of conformity evaluation
Conformity evaluation may adopt declaration by the supplier, verification by the
receiving party, or authentication by third party.
7 Packaging, marking, transportation, storage and quality
certificate
7.1 Packaging, marking, transportation and storage shall comply with GB/T 15545.
7.2 The liquid binder may be packaged in plastic drums and delivered separately.
7.3 When delivering the products, the supplier shall provide the quality certificate and
the product instruction manual; quality certificate shall indicate the contents such as
supplier's name, the name of the demand-side, manufacturing date, contract number,
standard number, product name, designation, batch number, physiochemical
indicators, and preservation period.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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