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JC/T 564.1-2018 English PDF (JCT564.1-2018)

JC/T 564.1-2018 English PDF (JCT564.1-2018)

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JC/T 564.1-2018: Fiber reinforced calcium silicate boards - Part 1: Non-asbestos calcium silicate boards

This part specifies the terms and definitions, classification, grades, specifications and markings, raw materials, requirements, test methods, inspection rules, signs, certificates, transportation, packaging, storage of nonasbestos calcium silicate boards.
JC/T 564.1-2018
BUILDING MATERIAL INDUSTRY STANDARD
OF THE PEOPLE REPUBLIC OF CHINA
ICS 91.100.40
Q 14
Registration number: 63781-2018
Replacing JC/T 564.1-2008
Fiber reinforced calcium silicate boards -
Part 1: Non-asbestos calcium silicate boards
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ISSUED ON: APRIL 30, 2018
IMPLEMENTED ON: SEPTEMBER 01, 2018
Issued by: Ministry of Industry and Information Technology of PRC
Table of Contents
Foreword ... 3
1 Scope ... 6
2 Normative references ... 6
3 Terms and definitions ... 7
4 Classification, grades, specifications, markings ... 8
5 Raw materials ... 10
6 Requirements ... 10
7 Test methods ... 13
8 Inspection rules ... 14
9 Signs and certificates ... 20
10 Transportation, packaging, storage ... 20
Appendix A (Normative) Raw material ... 22
Appendix B (Informative) Schematic diagram of sampling for physical-
mechanical properties ... 23
Foreword
This part was drafted in accordance with the rules given in GB/T 1.1-2009. JC/T 564 ?€?Fiber-reinforced calcium silicate board?€? is divided into two parts: - Part 1: Non-asbestos calcium silicate boards;
- Part 2: Asbestos calcium silicate board.
This part is the part 1 of JC/T 564. This part was revised with reference to ISO 8336:2009 ?€?Fiber-cement flat sheets - Product specification and test methods?€?, ISO 1896:1991 ?€?Products in fiber-reinforced cement - Non-combustible fiber- reinforced boards of calcium silicate or cement for insulation and fire protection?€?, ISO 390:1993 ?€?Products in fiber-reinforced cement - Sampling and inspection?€?. This part replaces JC/T 564.1-2008. As compared with JC/T 564.1-2008, in addition to editorial changes, the main technical changes are as follows: - MODIFY the ?€?Scope?€?. DEFINE that this part is applicable to the non-
asbestos calcium silicate boards which have fireproof, thermal insulation, dampproof requirements as used for building interior wall panels, exterior wall panels, suspended ceiling panels, carriages, offshore structures, ship interior partitions, composite insulation panels; it may also be applicable to the non-asbestos calcium silicate boards which are suitable for other
purposes such as home decoration (see clause 1; clause 1 of the 2006
version);
- MODIFY the expressions in the normative references (see clause 2; clause 2 of the 2008 version);
- In the normative reference, MODIFY the year number of GB/T 5464, GB/T 7109, GB 8624, GB/T 10294; ADD 6 standards: GB/T 12954.1-2008, GB/T
23263-2009, GB/T 24321, JC/T 409, JC/T 414, JC/T 622 (see clause 2;
clause 2 of the 2008 version);
- MODIFY the definition of fiber-reinforced calcium silicate boards (see clause 3; clause 3 of the 2008 version);
- ADD the definition of the textured sheets and saturated shear board
performance (see clause 3);
- ADJUST the specification size. INCREASE the length to 4880 mm (see
Table 2; Table 1 of the 2008 version);
- The non-asbestos calcium silicate board is divided into three categories according to the use, that is, category A, B, C. MAKE corresponding
adjustments for the markings of the flexural strength grade and the impact strength grade (see clause 4; clause 4 of the 2008 version);
- MODIFY the standard basis for the raw materials (see clause 5; clause 5 of the 2008 version);
- In the appearance quality, MODIFY the back quality requirements (see
Table 3; Table 2 of the 2008 version);
- Separately LIST the shape deviations. For the thickness non-uniformity in the shape deviation, PROPOSE different indicators based on thickness.
Appropriately IMPROVE such indicators as edge straightness, diagonal
difference, flatness (see Table 4; Table 3 of the 2008 version);
- MODIFY the index requirements for dimensional deviation. PROPOSE
different indicators for the length and width based on different intervals. The thickness is divided into textured sheets and non-textured sheets.
PROPOSE different indicators based on different thickness intervals (see Table 5; Table 3 of 2008 version);
- ADD the requirements for asbestos composition;
- MODIFY the requirements for the items and indicators of physical
properties. CANCEL the indicators of moisture content and heat shrinkage rate. The apparent density is explained by the supplier in the quality
document. ADD the requirements for such indicators as moisture
absorption rate, hot rain performance, hot water performance, immersion- drying performance, flexural strength in frost-resistance test (see Table 6; Table 4 of the 2008 version);
- MODIFY the code of flexural strength grade to R1, R2, R3, R4, R5. MODIFY the flexural strength indicator. CHANGE the vertical and horizontal strength ratio items in the original standard into the lowest strength of single block; for the category A and B sheets, CHANGE it into the requirements for
strength indicator in saturated state. ADD the requirements for three
mechanical properties: impact strength, impact resistance, saturated shear board performance (see Tables 7 and 8; Table 5 of the 2008 version);
- MODIFY the representation of the test method. USE form to list the test method corresponding to each item. SUPPLEMENT the test method of the
test items as added in this part (see Table 9; clause 7 of the 2008 version); - ADJUST the exit-factory inspection items. CANCEL the moisture content. ADD the item of water absorption rate (see 8.2.1; 8.2.1 of the 2008 version); - MODIFY the type inspection conditions (see 8.3.1; 8.1.2 of the 2008
version);
Fiber reinforced calcium silicate boards -
Part 1: Non-asbestos calcium silicate boards
1 Scope
This part specifies the terms and definitions, classification, grades,
specifications and markings, raw materials, requirements, test methods, inspection rules, signs, certificates, transportation, packaging, storage of non- asbestos calcium silicate boards (shortly referred to as non-asbestos calcium silicate boards).
This part is applicable to the non-asbestos calcium silicate boards which have fireproof, thermal insulation, dampproof requirements as used for building interior wall panels, exterior wall panels, suspended ceiling panels, carriages, offshore structures, ship interior partitions, composite insulation panels; it may also be applicable to the non-asbestos calcium silicate boards which are suitable for other purposes such as home decoration
2 Normative references
The following documents are essential to the application of this document. For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) are applicable to this standard.
GB 175 Common Portland cement
GB/T 5464-2010 Non-combustibility test method for building materials
GB/T 7019-2014 Test methods for fiber cement products
GB 8624-2012 Classification for burning behavior of building materials and products
GB/T 10294-2008 Thermal insulation - Determination of steady-state
thermal resistance and related properties - Guarded hot plate apparatus GB/T 12954.1-2008 Testing methods for construction adhesives - Part 1:
Test methods for ceramic tiles adhesives
GB/T 23263-2009 Determination of asbestos in products
3.5
Calcareous materials
A material which contains CaO as a main component.
3.6
Siliceous materials
A material which contains SiO2 as a main component.
3.7
Textured sheets
Sheets of embossed pattern.
3.8
Saturated shear bond performance
The maximum breaking load per unit area of the compositing interface
between the adhesive and board along the tangential direction, when the board is used as a baseboard of wall and the adhesive is used to bond the wall facing brick and the board, under saturated state.
4 Classification, grades, specifications, markings
4.1 Classification
4.1.1 According to the surface treatment state, it is divided into the original board (code YB), single-sided sanding board (code DB), double-sided sanding board (code SB).
4.1.2 It is divided into three categories according to their purposes:
- Category A: Suitable for outdoor use. It may be exposed to direct sunlight, rain, snow or frost;
- Category B: Suitable for environments that may be exposed to heat,
moisture, non-recurring frost for a long time. Such as underground facilities, alternating damp heat or outdoor indirect sun exposure, rain, snow, frost and other environments;
- Category C: Suitable for indoor use. It may be subject to hot or humid, but will not be frosted. For example, interior walls, floors, tile linings, baseplates. 18 Water-tightness
GB/T 7019-2014
19 Frost-resistance test a
20 Hot rain performance
21 Hot water performance
22 Immersion-drying performance
23
Mechanical properties
Flexural strength
24 Impact strength
25 Impact resistance
26 Saturated shear board performance GB/T 12954.1-2008
a For the test method for the flexural strength rate in the frost-resistance test, refer to the loss rate of frosting-thawing strength in GB/T 7019-2014.
b The adhesives as used for the saturated shear board performance use the category-D emulsion adhesive in GB/T 12954.1-2008.
8 Inspection rules
8.1 Classification of inspections
The inspection is divided into exit-factory inspection and type inspection. 8.2 Exit-factory inspection
8.2.1 Inspection items
Appearance quality, shape deviation, dimensional deviation, flexural strength, water absorption rate, apparent density.
8.2.2 Group-batch
It shall be composed of products of the same category, the same specification, the same strength grade. Each inspection batch is made up of 5000 sheets. If less than 5000 sheets but more than 500 sheets, it may also form one batch. 8.2.3 Sampling
8.2.3.1 Appearance quality, shape deviation, dimensional deviation
From the inspection batch, randomly take 5 samples which must be inspected and 10 samples which requires re-inspection.
8.2.3.2 Physical properties, mechanical properties
From the samples for appearance quality, shape deviation, dimensional
deviation, take 2 samples which must be inspected. From the same inspection batch, take 4 samples for re-inspection. Follow the requirements of GB/T 7019- 2014 to prepare the specimen.
8.2.4 Determination
8.2.4.1 Appearance quality, shape deviation, dimensional deviation
If only one of the necessary-inspection samples is unqualified, the re-inspection sample shall be re-inspected of the unqualified item. If there are still unqualified products in the re-inspection, this item is judged as unqualified. When there are two or more necessary-inspection samples which are unqualified, this item is judged as unqualified.
8.2.4.2 Physical properties, mechanical properties
If only one of the necessary-inspection samples is unqualified, the re-inspection sample shall be re-inspected of the unqualified item. If there are still unqualified products in the re-inspection, this item is judged as unqualified. When 2 or more items are unqualified, they may not be re-inspected.
8.2.4.3 Comprehensive judgment:
When all the above items are qualified, the batch of products is judged to be qualified. Otherwise, it is judged as unqualified. The unqualified product may be degraded or disposed of.
8.3 Type inspection
8.3.1 Inspection conditions
Type inspection shall be carried out in one of the following cases:
a) Trial-production type identification of new product or trans-plant production of old products;
b) When there is significant change in the raw materials, mix ratio, production process in production;
c) When the exit-factory inspection result is significantly different from the previous type inspection result;
d) When the production is restored after suspension for more than half a year; e) During normal production, once every 12 months.
8.3.2 Inspection items
The type inspection items are as shown in Table 10.
the accepted quantity Ac1 and the rejected quantity Re1 (column 3 and column 4 in Table 11), it shall make the second sampling, to take the sample of the equal quantity as the first sampling to carry out test:
a) The specimens as taken in the second time shall be inspected according to the methods as specified in clause 7 of this part;
b) The number of unqualified samples at the first inspection is added to the number of unqualified samples at the second inspection to obtain the total number of unqualified samples;
c) When the total number of unqualified samples is equal to the total
accepted quantity Ac2 as specified in column 5 of Table 11, the item of this inspection batch is judged to be qualified;
d) When the total number of unqualified samples is equal to or more than the second rejected quantity Re2 as specified in column 6 of Table 11, it is determined that the inspection batch is unqualified.
8.3.5.3 Physical properties
8.3.5.3.1 When both samples are qualified, the item of this inspection batch is judged to be qualified.
8.3.5.3.2 When both samples are unqualified, the item of this inspection batch is judged to be unqualified.
8.3.5.3.3 When any one of the two samples are unqualified, it may reinspect the unqualified items for the reinspection samples. If there is still unqualified sample, the item of this inspection batch is unqualified.
8.3.5.4 Mechanical properties
The evaluation of mechanical properties includes: flexural strength, impact strength (or impact resistance), saturated shear board performance:
a) Flexural strength: When evaluated according to the column
9 of Table 11, if the average value of sample is ??? AL and the
minimum strength of the single block is qualified, the flexural strength item is judged to be qualified; if the average value of sample is or the
minimum strength of the single block is unqualified, the flexural strength item is judged to be unqualified;
b) Impact resistance, saturated shear board performance: When all the
samples inspected are qualified, the item is judged to be qualified; when there is unqualified sample, this item is judged to be unqualified.
8.3.5.5 Comprehensive judgment
When all the above single item is qualified, the inspection batch of products of this grade is judged to be qualified. When there is any one unqualified item, the inspection batch of products of this grade is judged to be unqualified. 9 Signs and certificates
9.1 Signs
9.1.1 On the non-decorative surfaces of products, use a non-fading color to indicate the product?€?s marking, manufacturer (or trademark) and date of manufacture (or batch number).
9.1.2 The signs shall also be marked on the outer packaging of the product. 9.2 Certificate
When the product is delivered, the certificate of the product board must be sent to the user along with the packing list. In case of same batch of products but different users, it may duplicate the certificates. However, it shall indicate the quantity of the products as released this time, including:
a) Size of batch, batch number;
b) Name and address of the manufacturer;
c) Product?€?s identification;
d) Date of exit-factory;
e) Inspection results of exit-factory inspection items;
f) The stamp of the exit-factory inspection department and the signature of the inspector.
10 Transportation, packaging, storage
10.1 Transportation
In case of handling manually, it shall be side-upright handled. In case of handling of whole stack, it shall be transported by using forklift to lift it up. In case of long-distance transportation, reduce shocking, avoid collision and rain exposure. In case of handling, it is prohibited to throw it.
10.2 Packaging

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