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PCM phase change interface material



Product Description

PCM phase change interface material

The material is heat reinforced polymer, designed to meet the thermal conductivity and reliability demand for the thermal conductivity of high application terminal. In addition, the heat sink’s performance benefits a lot from the low heat resistance. And improve the microprocessor, DC - DC converter of memory module and the reliability of power module.

The phase change characteristics: the material is solid in room temperature and installation is completely convenient,used between heat sink and devices. The material can be softened and flowing when the products reach phase-change temperature to fill the devices’ tiny irregular contact surface. Thus, the material has the ability to fill the gap between the devices and heat sink completely, make the phase change better than non-current elastomers or thermal graphite pad and get the performance of thermal conductive silicon grease.

The material is nonconductive, however, as the material has endured the phase change at high temperature, may make the metal get to the metal, so the phase change interface material can not be used as electrical insulating material.

Features & benefits
●Low heat resistance und low stress     ●Flowing but not silicone oil    ●No radiator preheating
●Low volatility—less than 1%                   ●Self-adhesive , easy to use

Typical applications:
●High frequency microprocessors          ●Bridge rectifiers                       ●Graphics chips & Amplifiers chip
●Chipset                                                       ●Cache memory chips

Physical properties:

Test  item

Unit

Test value

Test method

PCM-A

PCM-B

PCM-P

PCM-Y

Color

 

Black 

Black

Pink 

Yellow 

Visual 

Carrier

 

 

Aluminum foil

 

 

 

Thermal impedance

℃-in2/w

0.035

0.03

0.05

0.05

ASTM D5470

Thermal conductivity

w/m-k

2.5

2.5

1.0

1.0

ASTM D5470

Phase change temp

50 to 60

50 to 60

50 to 60

50 to 60

 

Density

g/cm2

1.2

2.2

1.3

1.35

 

Total Thickness

mm

0.076/0.127

0.09

0.127

0.127

ASTM D374

Storage temp

<40

<40

<45

<45

 

Temperature range

-45~125

-45~125

-45~125

-45~125

 

Storage time

Month

12

24

12

12

 

 

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