Chemical Ceramics Corporation

March 15, 2002
Chemical Ceramics Corp.
Mr. Vance Stayner
619 Heartland Rd.
P. 0. Box 536
Sugar Grove, IL 60554

Our Reference: R20640 / 02NK9389

Dear Mr Stayner:

This is a Report summarizing the results of a Special Services investigation for testing of your thermal barrier material.

GENERAL:

The sole purpose of this investigation was to conduct tests in accordance with Standard ASTM E136-99 "Standard Test Method for Behavior of Materials in a Vertical Tube Furnace at 750°C".

The information obtained by this investigation is to be submitted only to the Evaluation Services affiliated with each of the three model code organizations (ICBO, SBCCI and BOCA).

SAMPLES:

The samples utilized in this investigation were neither prepared nor selected by a United Laboratories' representative such that no verification of composition can be provided.

RESULTS:

The results as tabulated below are considered applicable only to the specific samples
tested.

Test

No.

Max

Sample

Surface

Temp. C°

Max

Sample

Internal

Temp. C°

Sample

WT.

Pre-

Test, g

Sample

WT.

Post

Test, g

Sample

WT.

Loss, %

Time to ignition

Min:s

1

768

767

65.11

34.21

47.5

No ignition

2

767

764

66.48

35.15

47.1

No ignition

3

764

795

62.56

32.56

50.0

No ignition

4

764

745

63.28

33.06

47.8

No ignition

In no event shall UL be responsible to anyone for whatever use or non use is made of the information contained in this Report and in no event shall UL, its employees or its agents incur any obligations or liability for damages, including, but no limited to consequential damage, arising out of or in connection with the use or inability to use the information contained in this Report.
Information conveyed by this Report applies only to the specimens actually involved in this test. UL has not established a factory Follow-Up Service Program to determine the conformance of subsequently produced material nor has any provision been established to apply any registered mark of UL to such material.
The Classification Marking of Underwriters Laboratories Inc. on the products is the only method provided by Underwriters Laboratories Inc. to identify products that have been produced under its Classification and Follow-Up Service Program. The issuance of this Report in no way implies Listing, Classification or Recognition by UL and does not authorize the use of UL Listing, Classification or Recognition Marks or other reference to UL on or in connection with the product or system.
Since the anticipated work has been completed, we have instructed our Accounting Department to terminate the investigation and invoice you for the charges incurred to date.
Should you have any questions, please contact the undersigned.