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Phenolic moulding compounds

Phenolic moulding compounds are  thermosetting plastics.

Thermosets offer many advantages over basic thermoplastics and are suitable for compression , transfer or injection moulding..They are produced in a precise and vibrant range of colors.

This material has a superior high voltage resistance , highly mechanical strength , good heat resistance , good dimension stability and superior chemical resistance

 

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

Colorimeter (x rite 8400)

-

 

* Compression moulding.

** Injection moulding.

 

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

 

 

 

 

 

 

 

 


*All of these items may be variable according to customer pressing conditions.

 

  • Many applications in electrical and electronic markets : insulation boards, switching parts,electrical devices, parts for telecommunication use , commutators and wiring devices
  • Automotive parts .

  • Household appliances.

 

Packing :
  • 25Kgs. nett laminated polyethylene bags.

Handling:

  • It is advisable to wear a dust musk while emptying the bags . Hands should be thoroughly washed at the end of the working day and before meals.  
Storage:
  • Storage at 250c gives stability for several years .
  • A higher temperature affect the materials flow and its mouldability.