background image

 

Standard

 

STD 420-0003

  

 

Volvo Group 

 

Version 

Page

 
 

37

73

110

37

73

11

0

Point of measuring

0,

1

 

±

0,

0

2

±

0,

2

Dimensions in millimetres

 

 

 

Figure 2 Spacer on top of glass plate 

 

4.12 Dishwasher

, preferably connected to a deionized-water or distilled-water supply and possible to operate at 

80 °C. 

An ordinary domestic dish-washer is not capable of washing at 80 

°

C and is normally not designed for alkaline 

dishwasher detergents.  

4.13 Balance

, with scale divisions of 0,01 mg. 

4.14 Glass plate rack 

4.15 Phosphorpentoxide and silica gel 

4.16 Stamping apparatus,

 for circular test pieces 80 

±

 1 mm.

 

4.17 Gloves

, powder-free polythene gloves and lint-free cotton gloves.

 

4.18 Desiccator with suitable drying material 

4.19 Lintless paper for industrial cleaning, 

complying with French Standard NF Q 33-033.

 

NOTE – This paper with reference A28 432 can be obtained from either:  

APURA IIe de France 

BERNARD 

14 avenue Ferdinand de Lesseps, BP 80 

BP 102 

95190 GOUSSAINVILLE 

59332 TOURCOING CEDEX 

France France 

Содержание STD 420-0003

Страница 1: ...neral 4 2 Thermostatically controlled bath 4 3 Cooling plates 4 4 Flat bottomed beakers 4 5 Metal rings 4 6 Sealing rings 4 7 Float glass plates 4 8 Filter paper 4 9 Aluminium foil 4 10 Reflector mete...

Страница 2: ...e it is the difference expressed in mg between the masses of the aluminium foil before and after testing 3 Materials 3 1 Thermal transfer fluid for the thermostatically controlled bath The fluid shal...

Страница 3: ...ooling plates designed to be placed on the glass plates to keep them cool The cooling plates shall be hollow and made of corrosion resistant metal with the side facing the glass plate made of aluminiu...

Страница 4: ...uminium foil in order to decrease the risk of their edges being uneven and damaged Great care needs to be excercised so that the aluminium foil does not get contaminated Use lint free cotton gloves or...

Страница 5: ...kaline dishwasher detergents 4 13 Balance with scale divisions of 0 01 mg 4 14 Glass plate rack 4 15 Phosphorpentoxide and silica gel 4 16 Stamping apparatus for circular test pieces 80 1 mm 4 17 Glov...

Страница 6: ...ces containing natural materials 168 h 2 h Coated fabrics 48 h 2 h Other materials 24 h 2 h 6 1 2 Cleaning 6 1 2 1 Cleaning with a dishwasher Wash the sealing rings beakers and metal rings with glass...

Страница 7: ...pe with paper If the beakers have contained greasy products or if the specimens have become damaged during the test leaving a deposit on the bottom of the beakers the beakers shall be washed in aceton...

Страница 8: ...the glass plate is placed on the sealing ring The beakers with test pieces are placed in the bath that has reached the prescribed temperature On top of the glass plate a filter paper is placed follow...

Страница 9: ...culated using the formula 1 4 4 1 2 i j i j F F s where Fi is the fogging value of each point of measuring in 4 is the number of test points on the glass plate This standard deviation indicates the ho...

Страница 10: ...DP Note It is very important not to moisten the walls of the beaker with the DIDP when handling the beaker as this will lead to a larger area with DIDP and a higher test result 6 2 4 Procedure 6 2 4 1...

Страница 11: ...is reported with an accuracy of 0 01 mg 7 Report The report shall contain Reference to this standard Reference to mehod used method F evaluation of fogging using a glossmeter or method G gravimetrica...

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