ДСТУ EN 60641-2:2022 Картон и пресс-бумага для электрических целей. Часть 2. Методы испытаний (EN 60641-2:2004, IDT; IEC 60641-2:2004, IDT)



ДСТУ EN 60641-2:2022
(EN 60641-2:2004, IDT; IEC 60641-2:2004, IDT)

Картон і прес-папір для електричних цілей. Частина 2. Методи випробувань

 

 
   
 
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

1 Scope

2 Normative references

3 Terms and definitions

4 General notes on tests

4.1 Conditioning

4.2 Drying

4.3 Tolerances

4.4 Results

5 Thickness

5.1 Test apparatus

5.2 Setting gauge

5.3 Procedure

5.4 Results

6 Apparent density

7 Tensile strength and elongation

7.1 Principle

7.2 Determination with non-folded test pieces

7.3 Determination with folded test pieces

8 Internal tearing resistance

9 Edge tearing resistance

9.1 Procedure

9.2 Results

10 Compressibility

10.1 Principle

10.2 Test apparatus

10.3 Test pieces

10.4 Procedure

10.5 Results

11 Shrinkage

11.1 Test apparatus

11.2 Test pieces

11.3 Procedure

11.4 Results

12 Plybond resistance

12.1 Principle

12.2 Test pieces

12.3 Test apparatus

12.4 Test method

12.5 Results

13 Moisture content

14 Ash content

15 Conductivity of aqueous extract

15.1 Test apparatus

15.2 Procedure

15.3 Results

16 pH of aqueous extract

16.1 Test apparatus

16.2 Procedure

16.3 Results

17 Oil absorption

17.1 Test pieces

17.2 Procedure

17.3 Results

18 Conducting paths

19 Presence of metallic particles

19.1 Chemical methods

19.2 X-ray method

20 Electric strength

20.1 Test apparatus

20.2 Test pieces for test in air

20.3 Test pieces for test in oil

20.4 Test pieces for testing after folding

20.5 Number of tests

20.6 Procedure

20.7 Results

Annex ZA (normative) Normative references to international publications with their corresponding European publications

Bibliography