Home Cart Quotation About-Us
www.ChineseStandard.net
SEARCH

QB/T 2725-2005 PDF English

US$70.00 · In stock · Download in 9 seconds
QB/T 2725-2005: Leather. Determination of Odour
Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure
Status: Valid
Standard IDUSDBUY PDFDeliveryStandard Title (Description)Status
QB/T 2725-200570 Add to Cart Auto, 9 seconds. Leather. Determination of Odour Valid

Similar standards

GB/T 38412   QB/T 2726   QB/T 5905   

QB/T 2725-2005: Leather. Determination of Odour

---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/QBT2725-2005
QB LIGHT INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 59.140 Classification No.. Y45 File No.. 15777-2005 Leather - Determination of odor Issued on. MARCH 19, 2005 Implemented on. SEPTEMBER 1, 2005 Issued by. National Development and Reform Commission, People's Republic of China

Table of Contents

Foreword... 3 1 Scope... 4 2 Devices... 4 3 Test environment... 4 4 Tester... 4 5 Sampling and sample preparation... 4 6 Procedures... 5 7 Level... 5 8 Test report... 6

Foreword

This Standard referred to American Society of Automotive Engineers Standard SAE J 1351.1993 “Hot odor test for insulation materials”. Technical requirements are consistent with SAE J 1351.1993. This Standard was proposed by China Light Industry Federation. This Standard shall be under the jurisdiction of National Technical Committee on Leather Industry of Standardization Administration of China (SAC/TC 252). The drafting organizations of this Standard. Zhejiang Carson Industrial Co., Ltd., China Leather and Footwear Industry Research Institute. Main drafters of this Standard. Zhou Xiaosong, Xu Huaihai, Zhu Miaofeng, Shi Jie. This Standard shall be issued for the first time. Leather - Determination of odor

1 Scope

This Standard specifies the determination method for the odor of leather in an isolated environment. This Standard is applicable to the leather with odor requirements.

2 Devices

2.1 Test cans, metal cans or glass jars, with a volume of approximately 1 L, are odorless at room temperature and 65°C, with suitable lids which shall be easily opened and replaced. 2.2 Oven, with air circulation system capable of maintaining temperature at (65±3)°C.

3 Test environment

The test shall be carried out in an environment where the odor is freely distributed, and the space for adjustment shall be as ideal as possible, but not required.

4 Tester

The tester shall have no olfactory defects; smokers, users of heavy-scented cosmetics, traditional scent or tobacco are not suitable as testers.

5 Sampling and sample preparation

5.1 Sampling Cut two representative samples. The size of the sample is 125mm × 100 mm.

6 Procedures

6.1 In order to avoid pollution, it is necessary to clean the test cans (including the lids) before the test. First, wash them with hot water, wash them with a proper amount of laboratory detergent, then rinse them with cool-water and dry them to keep them clean. 6.3 Place the blank contrast cans and test cans together in an oven pre- adjusted to (65±3)°C for 1h. 6.4 Remove the blank contrast can from the oven. The first tester shall place the head close to the blank contrast can (distance is about 15cm), remove the lid, and then fan by hand to direct the air from the test can to the nose. 6.5 Wait 2min, repeat step 6.3 to test the wet sample. 6.6 Repeat 6.4, 6.5 steps. Test each sample.

7 Level

The level of odor shall meet the requirements of Table 1.

8 Test report

The test report shall contain the following information. QB/T 2725-2005 QB LIGHT INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 59.140 Classification No.. Y45 File No.. 15777-2005 Leather - Determination of odor Issued on. MARCH 19, 2005 Implemented on. SEPTEMBER 1, 2005 Issued by. National Development and Reform Commission, People's Republic of China

Table of Contents

Foreword... 3 1 Scope... 4 2 Devices... 4 3 Test environment... 4 4 Tester... 4 5 Sampling and sample preparation... 4 6 Procedures... 5 7 Level... 5 8 Test report... 6

Foreword

This Standard referred to American Society of Automotive Engineers Standard SAE J 1351.1993 “Hot odor test for insulation materials”. Technical requirements are consistent with SAE J 1351.1993. This Standard was proposed by China Light Industry Federation. This Standard shall be under the jurisdiction of National Technical Committee on Leather Industry of Standardization Administration of China (SAC/TC 252). The drafting organizations of this Standard. Zhejiang Carson Industrial Co., Ltd., China Leather and Footwear Industry Research Institute. Main drafters of this Standard. Zhou Xiaosong, Xu Huaihai, Zhu Miaofeng, Shi Jie. This Standard shall be issued for the first time. Leather - Determination of odor

1 Scope

This Standard specifies the determination method for the odor of leather in an isolated environment. This Standard is applicable to the leather with odor requirements.

2 Devices

2.1 Test cans, metal cans or glass jars, with a volume of approximately 1 L, are odorless at room temperature and 65°C, with suitable lids which shall be easily opened and replaced. 2.2 Oven, with air circulation system capable of maintaining temperature at (65±3)°C.

3 Test environment

The test shall be carried out in an environment where the odor is freely distributed, and the space for adjustment shall be as ideal as possible, but not required.

4 Tester

The tester shall have no olfactory defects; smokers, users of heavy-scented cosmetics, traditional scent or tobacco are not suitable as testers.

5 Sampling and sample preparation

5.1 Sampling Cut two representative samples. The size of the sample is 125mm × 100 mm.

6 Procedures

6.1 In order to avoid pollution, it is necessary to clean the test cans (including the lids) before the test. First, wash them with hot water, wash them with a proper amount of laboratory detergent, then rinse them with cool-water and dry them to keep them clean. 6.3 Place the blank contrast cans and test cans together in an oven pre- adjusted to (65±3)°C for 1h. 6.4 Remove the blank contrast can from the oven. The first tester shall place the head close to the blank contrast can (distance is about 15cm), remove the lid, and then fan by hand to direct the air from the test can to the nose. 6.5 Wait 2min, repeat step 6.3 to test the wet sample. 6.6 Repeat 6.4, 6.5 steps. Test each sample.

7 Level

The level of odor shall meet the requirements of Table 1.

8 Test report

The test report shall contain the following information. ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
Image 1     Image 2     Image 3     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of English version of QB/T 2725-2005 be delivered?Answer: The full copy PDF of English version of QB/T 2725-2005 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.

Question 2: Can I share the purchased PDF of QB/T 2725-2005_English with my colleagues?Answer: Yes. The purchased PDF of QB/T 2725-2005_English will be deemed to be sold to your employer/organization who actually paid 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+ countries

Question 4: Do you accept my currency other than USD?Answer: Yes. www.ChineseStandard.us -- QB/T 2725-2005 -- Click this link and select your country/currency to pay, the exact amount in your currency will be printed on the invoice. Full PDF will also be downloaded/emailed in 9 seconds.

How to buy and download a true PDF of English version of QB/T 2725-2005?

A step-by-step guide to download PDF of QB/T 2725-2005_EnglishStep 1: Visit website https://www.ChineseStandard.net (Pay in USD), or https://www.ChineseStandard.us (Pay in any currencies such as Euro, KRW, JPY, AUD).
Step 2: Search keyword "QB/T 2725-2005".
Step 3: Click "Add to Cart". If multiple PDFs are required, repeat steps 2 and 3 to add up to 12 PDFs to cart.
Step 4: Select payment option (Via payment agents Stripe or PayPal).
Step 5: Customize Tax Invoice -- Fill up your email etc.
Step 6: Click "Checkout".
Step 7: Make payment by credit card, PayPal, Google Pay etc. After the payment is completed and in 9 seconds, you will receive 2 emails attached with the purchased PDFs and PDF-invoice, respectively.
Step 8: Optional -- Go to download PDF.
Step 9: Optional -- Click Open/Download PDF to download PDFs and invoice.
See screenshots for above steps: Steps 1~3    Steps 4~6    Step 7    Step 8    Step 9