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GB/T 2792-2014 English PDF (GB/T 2792-1998, GB/T 2792-1981)

GB/T 2792-2014_English: PDF (GB/T2792-2014)
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 2792-2014English145 Add to Cart 0--9 seconds. Auto-delivery Measurement of peel adhesion properties for adhesive tapes Valid GB/T 2792-2014
GB/T 2792-1998English70 Add to Cart 0--9 seconds. Auto-delivery Test method for peel strength of pressure-sensitive tape at 180 Degree angle Obsolete GB/T 2792-1998
GB/T 2792-1981EnglishRFQ ASK 3 days [Need to translate] The method for determination of peel strength of pressure-sensitive adhesive tape (180-degree peel test) Obsolete GB/T 2792-1981


BASIC DATA
Standard ID GB/T 2792-2014 (GB/T2792-2014)
Description (Translated English) Measurement of peel adhesion properties for adhesive tapes
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G38
Classification of International Standard 83.180
Word Count Estimation 16,141
Date of Issue 2014/7/8
Date of Implementation 2014/12/1
Older Standard (superseded by this standard) GB/T 2792-1998
Quoted Standard GB/T 2523-2008; GB/T 3280-2007; GB/T 22396
Adopted Standard ISO 29862-2007, MOD
Drafting Organization Shanghai Institute of Rubber Products
Administrative Organization National Standardization Technical Committee of Adhesives
Regulation (derived from) 2014 National Standards Bulletin No. 18
Proposing organization China Petroleum and Chemical Industry Federation
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This Standard specifies a series of test methods for adhesive tape peel strength. This Standard applies to the determination of the peel strength of adhesive tape, adhesive tape used for quality control of the product.

BASIC DATA
Standard ID GB/T 2792-1998 (GB/T2792-1998)
Description (Translated English) Test method for peel strength of pressure-sensitive tape at 180 Degree angle
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G38
Classification of International Standard 83.18
Word Count Estimation 5,591
Date of Issue 1998/10/19
Date of Implementation 1999/4/1
Older Standard (superseded by this standard) GB/T 2792-1981
Adopted Standard JIS Z0237-1991, MOD
Drafting Organization Shanghai Institute of Rubber Products
Administrative Organization National Standardization Technical Committee Adhesives
Proposing organization Ministry of Chemical Industry of the People Republic of China
Issuing agency(ies) State Quality and Technical Supervision
Summary This standard applies to single, double-sided pressure sensitive adhesive tape was measured with stainless steel 180 �� peel strength, but also for other materials, such as PVC, ABS, PE, etc.

BASIC DATA
Standard ID GB/T 2792-1981 (GB/T2792-1981)
Description (Translated English) The method for determination of peel strength of pressure-sensitive adhesive tape (180-degree peel test)
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G38
Date of Issue 1981/10/30


GB/T 2792-2014 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 83.180 G 38 Replacing GB/T 2792-1998 Measurement of peel adhesion properties for adhesive tapes (ISO 29862.2007, Self adhesive tapes - Determination of peel adhesion properties, MOD) ISSUED ON. JULY 8, 2014 IMPLEMENTED ON. DECEMBER 1, 2014 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 ... 4  1 Scope ... 7  2 Normative references ... 7  3 Terms and definitions ... 7  4 Classification ... 8  5 Method 1. Test method of peel strength for adhesive tapes from stainless steel at an angle of 180° ... 9  6 Method 2. Test method of peel strength for adhesive tapes from their own backings at an angle of 180° ... 13  7 Method 3. Test method of peel strength for double-sided and transfer adhesive tapes from stainless steel at an angle of 180° ... 15  8 Method 4. Test method of peel strength for adhesive tapes from adhesion- resistant materials at an angle of 180° ... 17  Annex A (Normative) Test method of peel strength for adhesive tapes at low temperature... 20  Annex B (Normative) Test method of peel strength for adhesive tapes at an angle of 90° ... 21  Annex C (Informative) Structural variations in this Standard compared with ISO 29862.2007 ... 24  Annex D (Informative) Technical differences between this Standard and ISO 29862.2007 and corresponding causes ... 25  Foreword This Standard was drafted in accordance with the rules given in GB/T 1.1-2009. This Standard replaces GB/T 2792-1998 Test method for peel strength of pressure-sensitive tape at 180° angle. Compared with GB/T 2792-1998, the major technical changes are as follows. — MODIFY the standard name to Measurement of peel adhesion properties for adhesive tapes; — DELETE the reference standard JB/T 7499-1994 Waterproof abrasive paper (SEE Chapter 2 of 1998 edition); — MODIFY the definition of the term “peel strength” (SEE Section 3.1 in Chapter 3 of 1998 edition); — ADD the term “test assembly” (SEE Section 3.2 of this Standard); — ADD the term “roughness average” (SEE Section 3.3 of this Standard); — MODIFY the types of cleaning agents (SEE Section 5.2.2 of this Standard, Section 5.3.1 of 1998 edition); — ADD the sample cutting method (SEE Section 5.3.1 of this Standard); — MODIFY the requirements of standard test plates (SEE Section 5.3.3 of this Standard, Section 5.2 of 1998 edition); — MODIFY the dimensions and mass of the roller (SEE Section 5.3.4.1 of this Standard, Sections 4.1.1 and 4.1.3 of 1998 edition); — MODIFY the standard test conditions for laboratory (SEE Section 5.4.1 of this Standard, Section 6.2 of 1998 edition); — MODIFY the standard sample dimensions (SEE Section 5.4.2 of this Standard, Section 5.1 of 1998 edition); — ADD the cleaning method of steel plates (SEE Section 5.5.2.1 of this Standard); — MODIFY the number of press rolls (SEE Section 5.5.3.1 of this Standard, Section 7.3 of 1998 edition); — MODIFY the sample preparation time and the dwell time before testing (SEE Section 5.5.3.1 of this Standard, Section 7.4 of 1998 edition); Measurement of peel adhesion properties for adhesive tapes 1 Scope This Standard specifies a series of test methods for the peel strength of adhesive tapes. This Standard is applicable to the determination of peel strength of adhesive tapes, and is also used for controlling the quality of adhesive tapes. 2 Normative references The following documents are essential to the application of this document. For dated references, only the editions with the dates indicated are applicable to this document. For undated references, only the latest editions (including all the amendments) are applicable to this document. GB/T 2523-2008 Measuring method of surface roughness and peak count for cold-rolled metal sheet (strip) GB/T 3280-2007 Cold-rolled stainless steel plate, sheet and strip GB/T 22396 Terminology relating to pressure sensitive adhesive products 3 Terms and definitions The terms and definitions defined in GB/T 22396 and the following ones are applicable to this document. 3.1 Peel strength It refers to the force required to peel a unit width of adhesive tape from a specific adhesive surface at a specified angle and speed, in unit of N/cm. 3.2 Test assembly It refers to the assembly formed by pasting the adhesive tape to be tested behind the steel plate. 3.3 Roughness average — methanol; — methyl ethyl ketone; — acetone; — n-heptanone; — a mixture of n-heptane and a fluorinated hydrocarbon, such as refrigerant (suitable when toxicity or flammability restrictions apply). Solvents shall be of general purpose chemical grade and held in a suitable vessel. 5.3 Apparatus 5.3.1 Test piece cutter An appropriate test piece cutter shall hold two single edge razor blades in parallel planes a precise distance apart, to form a cutter of exact specimen width; two cutters, 12mm and 24mm cutting widths, shall be available or appropriate alternatives which will not cause edge damage. The precision of the razor blade separation shall be the nominal width ± 0.1mm. 5.3.2 Testing machine A constant rate of extension (CRE) tension tester shall be used. It is proposed to use an automatic recorder taking at least one reading per mm of the adhesive tape peeled. The tester shall have two clamps calibrated to the same centerline, parallel with the direction of the motion on the same plane and so aligned that they will clamp the specimen wholly. MOVE at a uniform rate of (5.0 ± 0.2) mm/s. RECORD the load reading. The maximum permissible error shall be 2%. 5.3.3 Stainless steel plates The surfaces of the stainless steel plates shall be perfectly flat, at least 125mm long, 50mm wide and 1.1mm thick. Stainless steel types shall comply with the 06Cr19Ni10 material specified in GB/T 3280-2007. The stainless steel plates (hereinafter referred to as “steel plates”) shall have a bright annealed finish with a surface roughness (GB/T 2523-2008) of (50 ± 25) nm. The steel plates showing stains, discoloration or many scratches are not acceptable. The steel plates shall be cleaned prior to use as described in Section 5.5.2. The steel plate test surface shall be protected from scratches and contamination during use, and shall be stored according to the conditions described in Section 5.4.1. The standard test conditions are as follows. the ambient temperature shall be (23 ± 1) °C; the relative humidity shall be (50 ± 5) %. 5.5.2 Preprocessing of the steel plates 5.5.2.1 USE one of the solvents described in Section 5.2.2 to clean the steel plates. USE fresh absorbent cleaning material to wipe the steel plates to dryness. REPEAT for a total of three washes with the same solvent. USE methyl ethyl ketone or acetone for cleaning during the final wipe. 5.5.2.2 After washing, DRY the steel plates for at least 10min. The testing steel plates that have not been used within 10h need to be cleaned again. In order to obtain consistent results, USE methyl ethyl ketone or acetone to clean new steel plates for at least 10 times before use. Note. DISCARD the steel plates with stains, discoloration or many scratches. AVOID contacting the surfaces of the steel plates with fingers. During storage, the steel plates shall be protected from damage or contamination. 5.5.3 Sample preparation and test for the peel strength 5.5.3.1 Sample preparation As described in Section 5.4.4, CUT a 300mm long test piece from the adhesive tape to be tested. FOLD 12mm at one end, adhesive surface to adhesive surface to form a tab. TOUCH the other end of the test piece to an end of the steel plate. HOLD the tabbed end of the test piece so that it does not make contact with the steel plate, but is positioned loosely above it. ROLL mechanically or by hand twice in each lengthwise direction, so as to prevent entrapment of air between adhesive surface and steel plate. Should this occur, DISCARD the test piece, and MAKE preparation again. Individually PREPARE each test piece. TEST within 1min. Note. Peel strength increases with the dwell time of various adhesive tapes. If it is necessary to select longer dwell time, MAKE further indications. 5.5.3.2 Peel strength test PEEL 25mm of the adhesive tape from the steel plate at the folded end of the adhesive tape. CLAMP one end of the steel plate into one of the jaws of the tensile testing machine. CLAMP the free end of the adhesive tape into the other jaw. CONDUCT continuous peeling at the rate of (5.0 ± 0.2) mm/s. After the load jaw is in operation, DISREGARD the values obtained while the ... ......


GB/T 2792-1998 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA Replacing GB/T 2792-1981 Test method for peel strength of pressure-sensitive tape at 180° angle ISSUED ON. OCTOBER 19, 1998 IMPLEMENTED ON. APRIL 01, 1999 Issued by. State Bureau of Quality Technical Supervision Table of Contents Foreword ... 3  1 Scope ... 4  2 Normative references ... 4  3 Definitions ... 4  4 Test devices ... 4  5 Specimen ... 5  6 Conditioning and test environment ... 6  7 Test procedures ... 6  8 Test results ... 7  9 Test report ... 8  Foreword This standard equivalently adopts the to the part 8. 180° adhesion test method of JIS Z 0237-1991 Pressure-sensitive adhesive tape test method. 1. Differences between this standard and part 8 of JIS Z 0237. (1) JIS Z 0237 specifies that the material of the test plate is SUS 304, which is the domestic brand Cr18Ni9. This standard specifies that the material of the test plate is 0Cr18Ni9 or 1Crl8Ni9Ti. (2) JIS Z 0237 does not clearly specify the preparation of double-sided pressure-sensitive adhesive tape specimen. 2. This standard mainly revises the following contents of GB/T 2792-1981. (1) ADD the specimen preparation and test of double-sided pressure- sensitive adhesive tapes. (2) ADD the specifications for the material of test plates. (3) ADD the treatment of the surface of the test plate and test plate cleaning before the test. (4) CHANGE the hardness of the roller wrapping rubber (Shore A) from 60° ± 5° to 80° ± 5°. This standard will replace GB/T 2792-1981 as of the date of implementation. This standard was proposed by the Chemical Industry Ministry of the People's Republic of China. This standard shall be under the jurisdiction of the National Adhesives Standardization Technical Committee. This standard was drafted by Shanghai Rubber Products Research Institute. The main drafter of this standard. Shen Zhengying. This standard was first published in 1981. For this standard, the National adhesives Standardization Technical Committee is entrusted for its interpretation. Test method for peel strength of pressure-sensitive tape at 180° angle 1 Scope This standard applies to the 180° peel strength determination for the single, double-sided pressure-sensitive adhesive tape and stainless steel plate, it is also applicable to other materials, such as PVC, ABS, PE, etc. 2 Normative references The provisions contained in the following standards are incorporated into this standard and constitute the provisions of this standard. At the time of publication, the versions indicated were valid. All standards will be revised and all parties using this standard shall explore the possibility of using the latest version of the following standards. GB/T 3280-1992 Stainless steel cold rolled steel plate JB/T 7499-1994 Waterproof sandpaper 3 Definitions This standard uses the following definition. Peel strength Under the specified peeling conditions, the load that can be withstood per unit width when the adhesive sample is separated, expressed in kN/m. 4 Test devices 4.1 Compression roller (as shown in Figure 1) Where. S - Area within the value range of the recording curve, mm2; L - Length within the value range of the recording curve, mm; b - The actual width of adhesive tape, mm; C - Load per unit height of recording paper, kN/m. 8.3 Reading method calculation Within the peeling value range, read a number at the interval of 20 mm, read 4 numbers in total, calculate the average value. 8.4 The number of specimens in each group shall be not less than 3, and the test results shall be expressed as the arithmetic mean of peel strength. 9 Test report The test report includes the following several parts. a) The number and name of this standard; b) Description of the pressure-sensitive adhesive tape for test, including the type, source, manufacturer's grade, batch size, lot number, etc.; c) Materials to be bond, surface treatment methods; d) The material grade of the test plate; e) Test environment and test date; f) Standing time after sample preparation. g) The type of failure of the specimen; h) Test results and calculation methods; i) Test phenomena that need to be reported; j) Any inconsistency with the prescribed steps that may affect the test results. ......

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