Techspray 1977 Data Sheet

Product Information

Transistor Silicone Grease

Heat Sink Compound

1977

Introduction

A heat conductive material used to coat the bases of power transistors as they
are connected to heat sinks. The grease is heat conductive and will draw the
heat away from the transistor allowing it to run cooler.

Features / Benefits

Conducts Heat
Nanthe Cleaning
Easy Application

Color
Specific Gravity
Penetration, worked (ASD 217)

Service Temperature Range
Thermal Conductivity, cal/cm/ C/s
Dielectric Strength, KV/mm (UTE C 26225)
Dielectric Strength at 1 kHz (AS D 150)
Tangent of loss angel at 1 kHz (AS D 150)
Volume Resistivity, ohm.cm (UTE C 25215)
Drop Point, C (F) (AS D 566)
Flash Point (TCC Method)

Chemical Components

Environmental Policy

Zinc Oxide, USP……………………………….. (1314-13-2) >70%
This material is not considered to be a hazard.
Products of this type are sold to consumers, over the counter

Techspray® is committed to developing products that have minimal effects on
the environment. We will continue to meet and sustain the regulations of all
federal, state and local government agencies.

Technical Data

White, opaque

2.4 @ 25˚C per ASTM D70 test method
280 Penetration, unworked after 24 hrs.,

maximum: 270 Bleed, 24 hrs./200°C
(392°F), % maximum: 1.5 Evaporation,
24 hrs./200°C (392°F)

-40°C to 200°C/-40°F to 392°F
1 x 10-3 W/m/ C/s: 0.42
15

3.5
5 x 10-3
1 x 1015
None
None

Packaging and Availability

Transistor Silicone Grease is available in the following sizes:
1977-DP 4 Ounce Squeeze Tube

Resources

Techspray® products are supported by a global sales, technical and customer
services resources.

For additional technical information on this product or other Techspray® products
in the United States, call the technical sales department at 800-858-4043, email
[e-mail] or visit our web site at:

North America Europe Countries Outside US

Tech Spray L.P. Techspray International Call to locate a distributor
P.O. Box 949 UNIT 4, 44/46 Bunyan Road, Kempston in your country.
Amarillo, TX 79105 Bedford MK42 8HL United Kingdom
800-858-4043 [phone]
email: [e-mail] email: [e-mail]

Important Notice to Purchaser/User: The information in this publication is based on tests that we believe are reliable. The
results may vary due to differences in tests type and conditions. We recommend that each user evaluate the product to
determine its suitability for the intended application. Conditions of use are outside our control and vary widely. Techspray’s
only obligation and your only solution is replacement of product that is shown to be defective when you receive it. In no
case will Techspray® be liable for any special, incidental, or consequential damages based o n breach of warranty,
negligence or any other theory.

www.techspray.com.

Tech Spray, L.P.
P.O. Box 949
Amarillo, TX 79105

www.techspray.com

Copyright 2004 Tech Spray, L. P.

For Commercial Use Only