Phenolic moulding compounds

Parameter

Value

Unit

standard

Appearance

Solid – granular form

Colour

Different according to                customer requirements

Flow

(150 – 180)^*

           ( 45 – 60 )^**

mm x 10^-2

CT

( 50 – 60 ) ^*

            ( 65 – 80 ) ^**

sec

Press Time

1 – 6

sec

Bulk density

0.56 – 0.70

gm/cm³

ISO 60

Specific weight

1.3 - 1.4

gm/cm³

Din 7708

Humidity (60 ⁰C)

1 max

%

Volatile matter (105 ⁰C)

4 max

%

Grain size

According to customer requirements

mm

Shrinkage

0.9 max

%

Din 7708

Water absorption

≤ 100

mg

ISO 14526

Mechanical Properties

1- stress at break

 (≥ 40)^*

  ( ≥ 50)^**

Mpa

    ISO 14526

2- Flexural strength

 ( ≥ 70)^*

 (≥ 80)^**

Mpa

ISO 14526

3-Charpy Impact strength

                ( ≥ 4.5)^*

   (≥ 5.0)^**

KJ/m²

ISO 14526

4- Charpy Notched Impact strength

  (≥ 1.3)^*

  (≥ 1.3)^**

KJ/m²

    ISO 14526

Thermal  Properties

1-Temperature of deflection under load Tf (1.8)

≥ 160

⁰C

ISO 14526

2- Temperature of deflection under load Tf (8.0)

≥ 115

⁰C

ISO 14526

3- Flammability (glow bar) , BH

≤ BH2-10

^-

ISO 14526

Electrical Properties

1-Surface Resistivity

≥ 10⁹

Ω

ISO 14526

2- Proof Tracking Index

≥ 125

-

ISO 14526

Brabender  Plastograph

Plastogram

-

Din 53764

Colour testing

Colourimeter (x rite 8400)

-

Preheating ^*   condition

Moulding condition ^*

Temperature,⁰C

Time, sec

Temperature,⁰C

Pressure Kg/cm2

Curing time sec/mm

Time of production

70 – 80

30 – 60

160 – 165

400 min

   11 - 12

According to shape, thickness , ……. of the product