A.12.1. Chemglaze H322 (also called Aeroglaze)

PRODUCT

Type

Heat-activated, Electrically-conductive, Matt-black Coating

Chemical Composition

Polyurethane

Manufacturer

Lord Corporation

          111 Lord Drive

          P.O.Box 8012

          Cary, NC 27512-8012, USA

Tel: +1 919 468 5979

Fax: 1 919 469 5777

Email:

www.lordcorp.com

Europe

Lord Corporation (Europe) Ltd.

          Barton Dock Rd.

          Stretford, Manchester M32 0ZH

          UK

Tel: +44 (0)161 865 8048

Fax:+ 44 (0)161 865 0096

Email:

www.lordcorp.com

EXPERIENCE & AVAILABILITY

Development Status

Commercial Product

Cost Range

Low

Lot Reproducibility

Fair

Space Experience

Extensive

GENERAL PROPERTIES (Physical, Mechanical, Thermal, Electrical, Optical)

Nature

Typical Value

Remarks

Solid Content

25%

Manufacturer’s Data

Viscosity

500 cps

Manufacturer’s Data

Electrical Surface Resistance

5 kW £

@ 1V, nonconductive substrate

Solar Absorptance

0.95

ECSS-Q-70-09

Hemisperical Emittance

0.85

ECSS-Q-70-09

Shelf Life

6 Months

20°C

PROPERTIES RELEVANT TO SPACE USE (Effects of and/or on environment)

Nature

Typical Value

Type of Test

Flammability

Pass 21% O2. (on 1mm thick Aluminium foil).

NASA NHB 8060-1B

Outgassing

TML = 1.6%, RML = 0.9%, CVCM = 0.04%

ECSS-Q-70-02

UV/Particle Effects

Das = -0.025

3 Years/OTS spec.

Thermal Cycling

Pass

ECSS-Q-70-04

SPECIAL RECOMMENDATIONS

·          Recommended cure: 15 mins. at 125°C after last layer + post cure 50 Hours at 100°C (Specification ECSS-Q-70-34).

·          Primer: Lesonol 01-66050 may be used for increased adhesion.

·          This paint (like most others) is not recommended for use in badly vented places where high electrical fields are present in the vicinity (corona risk).

·          Quality control tests according to ECSS-Q-70-02 are recommended.

·          Difficult to procure in Europe.