|
US$279.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
LY/T 3201-2020: Flattened bamboo flooring
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| LY/T 3201-2020 | English | 279 |
Add to Cart
|
3 days [Need to translate]
|
Flattened bamboo flooring
| Valid |
LY/T 3201-2020
|
PDF similar to LY/T 3201-2020
Basic data | Standard ID | LY/T 3201-2020 (LY/T3201-2020) | | Description (Translated English) | Flattened bamboo flooring | | Sector / Industry | Forestry Industry Standard (Recommended) | | Classification of Chinese Standard | B69 | | Classification of International Standard | 79.060 | | Word Count Estimation | 12,156 | | Date of Issue | 2020-03-30 | | Date of Implementation | 2020-10-01 | | Regulation (derived from) | Announcement No. 6 of 2020 by the State Forestry and Grassland Bureau | | Issuing agency(ies) | State Forestry and Grassland Administration | LY/T 3201-2020: Flattened bamboo flooring---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Flattened bamboo flooring
ICS 79.060
B 69
People's Republic of China Forestry Industry Standard
Flatten bamboo floor
2020-03-30 released
2020-10-01 implementation
Issued by the State Forestry and Grassland Administration
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed and managed by the National Bamboo and Rattan Standardization Technical Committee (SAC/TC 263).
Drafting organizations of this standard. Hangzhou Zhuangyi Furniture Co., Ltd., Nanjing Forestry University, Fujian Dazhuang Bamboo Technology Co., Ltd., Hangzhou Dasuo
Technology Co., Ltd., Zhejiang Shenghua Yunfeng New Materials Co., Ltd., Fujian Huayu Group Co., Ltd., Fujian Jinzhu Bamboo Industry Co., Ltd.,
Home Forestry Bureau Nanjing Wood-based Panel Testing Station, Zhejiang Agriculture and Forestry University, Beijing Forestry University, Shuanggun Technology Co., Ltd., Ningbo Shilin Crafts
Co., Ltd., Guizhou Xinjin Bamboo and Wood Products Co., Ltd., Zhejiang Jiuchuan Bamboo and Wood Co., Ltd., Dehua Rabbit Baby Decoration New Materials Co., Ltd.
Company, Jiangshan Oupai Door Industry Co., Ltd., Zhejiang Baishanzu Industry and Trade Co., Ltd., Jiangxi Oriental Famous Bamboo Industry Co., Ltd., Jiangxi Zhuangchijia
Ju Technology Co., Ltd., Hangzhou Mingyi Craft Products Co., Ltd., Zhejiang Zhuangcheng Bamboo Industry Co., Ltd., Jiangxi Benbo Technology Development Co., Ltd.,
Fujian Juyi Bamboo and Wood Industry Co., Ltd., Fujian Chiyu Decoration Materials Co., Ltd., Xiamen Weihaotai Technology Co., Ltd., Guangdong Haochenwang Technology Co., Ltd.
Limited company, Kaihua Zuxingtang Furniture Factory.
The main drafters of this standard. Li Yanjun, Liu Hongzheng, Liang Xingyu, Wang Xinzhou, Chen Lican, Xu Bin, Lou Zhichao, Xu Jiang, Zhou Songzhen,
Guo Xuemai, Wang Jianqin, Yao Lianshu, Li Xiaoxian, Zheng Chenglie, Gu Shuixiang, Shen Haiying, Wu Shuigen, Zhan Xianxu, Zhang Weigang, Lian Suxiang, Wang
Gang, Wu Rong, Zhou Yifan, Xie Xuqin, Zhang Shuizhen, Wu Youqing, Dai Yueping, Zhang Zhihuan, Lin Hongsong, Chen Jinming, Chen Zuxing.
Flatten bamboo floor
1 Scope
This standard specifies the terms and definitions, classification, requirements, inspection methods, inspection rules, signs, packaging, and
Transportation and storage, etc.
This standard applies to flat bamboo flooring for indoor use.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to
This document. For undated references, the latest version (including all amendments) applies to this document.
GB/T 2828.1-2012 Sampling Inspection Procedures by Attributes Part 1.Batch Inspection Retrieved by Acceptance Quality Limit (AQL)
Sampling plan
GB/T 17657-2013 Test method for physical and chemical properties of wood-based panels and facing wood-based panels
GB/T 18103-2013 Solid wood composite floor
GB 18580 The limit of formaldehyde emission in wood-based panels and products of interior decoration materials
GB/T 20240-2017 Bamboo laminated timber flooring
GB/T 38394-2018 Bamboo Product Terminology
3 Terms and definitions
The following terms and definitions defined in GB/T 38394-2018 and GB/T 20240-2017 apply to this document.
3.1
Flattened bamboo
A sheet-like material made of bamboo tubes or curved bamboo sheets after softening, unfolding, drying and shaping.
3.2
The surface layer is made of bamboo slabs.
[GB/T 38394-2018, definition, 2.3.8]
3.3
The surface layer retains the bamboo green flat bamboo floor.
3.4
The surface layer removes the bamboo green flat bamboo floor.
3.5
The surface layer is a bamboo exhibition board, and the bottom layer is a bamboo exhibition board or a floor made of other bamboo materials.
3.6
The surface layer is a bamboo board, and the core or bottom layer is a bamboo board or a floor made of other wooden materials.
4 categories
4.1 According to whether the surface is painted or not.
Finishing and flattening bamboo flooring;
Unpainted flat bamboo flooring.
4.2 According to the presence or absence of bamboo green on the surface.
Stay green and flatten bamboo flooring;
Go to the green flat bamboo floor.
5 requirements
5.1 Classification
According to the appearance quality of the product, it is divided into high-quality products and qualified products.
5.2 Specifications and deviations
5.2.1 Common specifications are as follows.
Length (mm). 810, 970, 1000, 1210,.2000;
Width (mm). 58, 83, 97, 125, 180, 220;
Thickness (mm). 15, 18.
Products of other specifications can be produced upon agreement between the supply and demand parties.
5.2.2 Allowable deviation
Should meet the requirements of Table 1.
5.3 Appearance quality requirements
Should meet the requirements of Table 2.
Note 1.Not obvious-normal vision is 0.4 m from the floor under natural light, which is not easy to distinguish by naked eye observation.
Note 2.Bubbles, pinholes, wrinkled skin, leaking paint, particles, and bulging are the inspection items for coating and flattening bamboo flooring.
Note 3.Surface dents are the inspection items for the green and flat bamboo flooring.
Note 4.Chromatic aberration and missing planing are the inspection items for removing the green and flattening bamboo flooring.
5.4 Physical and chemical performance indicators
Should meet the requirements of Table 3.
6 Inspection method
6.1 Inspection of specifications
6.1.1 Measuring instruments
6.1.1.1 Steel tape measure, 3m long, with a graduation of 1.0 mm.
6.1.1.2 150mm steel ruler, the graduation value is 0.5 mm.
6.1.1.3 Vernier caliper, the graduation value is 0.02 mm.
6.1.1.4 Micrometer, the graduation value is 0.01 mm.
6.1.1.5 Straight angle ruler, accuracy level 2
6.1.1.6 Feeler gauge, the graduation value is 0.02 mm.
6.1.2 Net length of surface layer l
Carry out in accordance with the provisions in 6.2.2.1 of GB/T 18103-2013.
6.1.3 Clear surface width w
According to the provisions of 6.2.2.2 of GB/T 18103-2013.
6.1.4 Thickness t
According to the provisions of 6.2.2.3 of GB/T 18103-2013.
6.1.5 Right angle q
According to the regulations in 6.2.2.4 of GB/T 18103-2013
6.1.6 Edge straightness s
According to the provisions of 6.2.2.5 of GB/T 18103-2013.
6.1.7 Warpage f
According to the provisions of 6.2.2.6 in GB/T 18103-2013.
6.1.8 Assembly height difference h and assembly seam o
According to the provisions of 6.2.2.7 in GB/T 18103-2013.
6.2 Appearance quality inspection
6.2.1 Calibration tools
6.2.1.1 6 times reading magnifying glass.
6.2.1.2 Steel ruler, the graduation value is 0.5 mm.
6.2.1.3 Feeler gauge, the graduation value is 0.02 mm.
6.2.2 Calibration method
6.2.2.1 Use visual inspection and inspection tools to inspect the appearance quality requirements of the floor surface item by item.
6.2.2.2 When using visual inspection, it should be in natural light or approximate natural light in the range of 300 lx~600 lx (for example, 40W daylight).
Under the light), the viewing distance is within 700 mm~1 000 mm.
6.2.2.3 The floor shall be inspected block by block, and its grade shall be determined according to the provisions of 5.3.When there is a dispute, it will be checked by three people together.
The same conclusion is the test result.
6.3 Physical and chemical performance inspection
6.3.1 Sampling
6.3.1.1 The sample shall be drawn according to the provisions of 7.4.4.
6.3.1.2 Cut out the test piece after removing 20 mm from both ends of the sample.
6.3.2 Test piece
The test piece is made according to Table 4 and Figure 1.Figure 1 Draw according to the floor with a length of 920 mm and a width of 92 mm; such as sample specifications
If the size and quantity of the sample are smaller, the sample size can be increased appropriately; if the sample size is larger,
On the premise of meeting the size and quantity of the test piece, the number of samples can be appropriately reduced. The test piece should be straight at the sides and corners, and the length and width allowed
Deviation ±0.5 mm. The formaldehyde emission test piece should be sealed and packaged in polyvinyl chloride plastic bag immediately after sawing, and placed at (23±1)℃
Save under the conditions.
6.3.3 Measurement of specimen size
The measurement method of the size of the test piece is carried out in accordance with the provisions of 4.1 in GB/T 17657-2013.
6.3.4 Water content
According to the provisions of 4.3 in GB/T 17657-2013.The moisture content of the tested sample is the arithmetic average of the moisture content of all specimens.
6.3.5 Dipping peel test
According to the provisions of 6.3.5 in GB/T 20240-2017.
6.3.6 Static bending strength
According to the provisions of 6.3.6 in GB/T 20240-2017.
6.3.7 Wear resistance of surface paint film
According to the provisions of 4.44 in GB/T 17657-2013.After grinding for 100r, calculate the wear value and observe the worn part of the specimen surface
Whether the paint film is worn through.
Method for determining paint film wear through. After abrasion of 100r, apply a little color ink on the wear scar, and then quickly put it in water to rinse or quickly
Quickly wipe off with paper, if the ink does not fade on the wear scar, it is judged that the paint film is worn through.
6.3.8 Pollution resistance of surface paint film
Carry out according to the provisions of Method 2 in 4.41 of GB/T 17657-2013.Choose 2 representative pollutants, acetone and black coffee
It is a conventional pollution test substance.
6.3.9 Surface paint film adhesion
According to the provisions of 4.56 in GB/T 17657-2013.
6.3.10 Surface impact resistance
According to the provisions of 6.3.10 in GB/T 20240-2017.
6.3.11 Formaldehyde emission
According to the provisions of GB 18580-2017.
7 Inspection rules
7.1 Inspection classification
Product inspection is divided into factory inspection and type inspection.
7.2 Factory inspection
7.3 Type inspection
7.3.1 In addition to all inspection items of the factory inspection, the type inspection should also increase the static bending strength, the surface paint film pollution resistance,
Surface paint film adhesion, surface impact resistance, formaldehyde emission and other items.
7.3.2 During normal production, inspection shall be conducted not less than once every six months; type inspection shall be carried out in one of the following situations.
a) When the raw and auxiliary materials and production process undergo major changes;
b) When production resumes after a long-term shutdown;
c) When the market supervision department requests for type inspection.
7.4 Sampling plan and determination rules
7.4.1 Basic requirements
Samples should be taken from the same batch, same specification, and same type of products as required, and the samples should be inspected one by one.
All are counted in blocks.
7.4.2 Specification and size inspection
7.4.2.1 Sampling plan
7.4.2.1.1 The inspection of surface layer net length, surface layer width, thickness, right angle, edge straightness and warpage shall adopt GB/T 2828.1-2012
The general inspection level I and the acceptance quality limit (AQL) of the normal inspection sub-sampling of 4.0 are shown in Table 5.
Note. More than 10 000 pieces will be processed in another batch.
7.4.2.1.2 The number of samples for assembly separation seam and assembly height difference inspection is 10, and the 10 samples are from the same batch of products with inspection specifications and dimensions.
Randomly drawn in.
7.4.2.2 Judgment rules
7.4.2.2.1 The net length of the surface layer, the net width, thickness, right angle, edge straightness, and warpage of the surface layer, the number of samples for the first inspection shall be
Equal to the number of first samples given by the scheme. According to the requirements of Table 1, if the number of unqualified products found in the first sample is less than or
Equal to the first acceptance number, the batch of products should be considered acceptable. If the number of nonconforming products found in the first sample is greater than or equal to
The first rejection number should be considered unacceptable.
If the number of nonconforming products found in the first sample is between the first acceptance number and the first rejection number, a second sample should be taken. Such as
If the cumulative number of unqualified products found in the first and second samples is less than or equal to the second acceptance number, it is determined that the batch of products can be accepted
of. If the cumulative number of unqualified products is greater than or equal to the second rejected number, the batch of products is determined to be unacceptable.
7.4.2.2.2 The samples for assembly separation seam and assembly height difference inspection shall be judged according to Table 1.If the first sampling inspection fails,
It is allowed to double sampling (20 pieces, divided into two groups) in the same batch of products for one re-inspection, and all items are qualified to be judged as qualified.
7.4.2.2.3 The net length of the surface layer, the net width of the surface layer, the thickness, the right angle, the straightness of the edge, the degree of warpage, the seam separation, and the height difference of the assembly
When qualified, the size of the batch of products is determined to be qualified.
7.4.3 Appearance quality inspection
7.4.3.1 Sampling plan
When inspecting the appearance quality of batches of flattened bamboo flooring, samples should be taken from the same batch. Adopt GB/T 2828.1
-In.2012, the general inspection level II and acceptance quality limit (AQL) of the normal inspection sub-sampling of 4.0, the sampling plan is shown in Table 6.
When multiple defects exist on a floor at the same time, the defect that affects the product level the most is judged.
7.4.3.2 Judgment rules
The sample size for the first inspection should be equal to the first sample size given in the plan. If the number of nonconforming products found in the first sample
If it is less than or equal to the first acceptance number, the batch of products should be considered acceptable. If the number of nonconforming products found in the first sample is greater than
Or equal to the first rejected number, the batch of products should be considered unacceptable.
If the number of nonconforming products found in the first sample is between the first acceptance number and the first rejection number, a second sample should be taken. Such as
If the cumulative number of unqualified products found in the first and second samples is less than or equal to the second acceptance number, it is determined that the batch of products can be accepted
of. If the cumulative number of unqualified products is greater than or equal to the second rejected number, the batch of products is determined to be unacceptable.
7.4.4 Physical and chemical performance inspection
7.4.4.1 Sampling plan
When testing physical and chemical properties, samples are randomly selected from the submitted inspection lot. The sampling plan is shown in Table 7.The first sampling inspection fails
For items, double sampling re-inspection is allowed in the same batch of products, and the re-inspection is divided into two groups.
Note. If the sample size is too small, if the samples taken according to the above plan cannot meet the inspection requirements, the number of samples can be appropriately increased.
7.4.4.2 Judgment rules
Moisture content, immersion peel test, static bending strength, surface paint film abrasion resistance, surface paint film pollution resistance, surface paint film adhesion,
When the surface impact resistance and formaldehyde emission meet the requirements, it is qualified; otherwise, the unqualified items should be doubled for sampling and re-inspection.
When qualified, the physical and chemical properties of the batch of products are judged as qualified, otherwise it is judged as unqualified.
7.5 Comprehensive judgment
The three inspection results of product size, appearance quality, and physical and chemical properties meet the technical requirements of the corresponding level, and the batch is determined
The product is qualified, otherwise it is judged as unqualified product.
8 Marking, packaging, transportation and storage
8.1 Logo
The product should be marked with grade, production date, inspector code, or affixed with product mark according to the provisions of the supply and demand contract.
8.2 Packaging
The product packaging box (bag) should be printed or affixed with the name of the manufacturer, address, trademark, product standard number, specification, grade, and formaldehyde
Release level, color, quantity, date of manufacture.
8.3 Transportation and storage
During transportation and storage, the product should be protected from rain, moisture, sun and deformation.
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of LY/T 3201-2020_English be delivered?Answer: Upon your order, we will start to translate LY/T 3201-2020_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time. Question 2: Can I share the purchased PDF of LY/T 3201-2020_English with my colleagues?Answer: Yes. The purchased PDF of LY/T 3201-2020_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet. Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to [email protected]. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.
|