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1121 (SUPER XL-METAL)
INSTRUCTIONS FOR USE
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1. TO ENSURE AN EFFECTIVE 2. WORKING LIFE
MOLECULAR WELD
From the commencement of mixing, Belzona® 1121 must be
used within the times shown below.
APPLY ONLY TO CLEAN, FIRM, DRY AND WELL Temperature 41°F (5°C) 59°F (15°C) 77°F (25°C)
ROUGHENED SURFACES
a) Brush away loose contamination and degrease with a rag Use all material within 90 min. 60 min. 35 min.
soaked in Belzona® 9111 (cleaner/degreaser) or any other
effective cleaner which does not leave a residue e.g. methyl
ethyl ketone (MEK). Use a flame to sweat out oil from deeply 3. MIXING SMALL QUANTITIES
impregnated surfaces. For mixing small quantities of Belzona® 1121 use:
1.0 parts Base to 1 part Solidifier by volume
b) Roughen surfaces by blast cleaning, deeply scoring or 1.2 parts Base to 1 part Solidifier by weight
grinding.
4. VOLUME CAPACITY OF MIXED BELZONA® 1121
c) Stabilise cracks by drilling the extremities. Long cracks should 23.5 cu.in. (385 cm³) per kg.
be drilled, tapped and bolted every 3-4 inches (77-103 mm).
d) Vee-out all cracks using a rotary file. 3. APPLYING BELZONA® 1121
e) Finally degrease again. Use clean rags to avoid spreading FOR BEST RESULTS
contamination. Do not apply when:
(i) The temperature is below 41°F (5°C) or the
WHERE BELZONA® 1121 SHOULD NOT ADHERE relative humidity is above 90%.
Brush on a thin layer of Belzona® 9411 (Release Agent) and allow (ii) Rain, snow, fog or mist is present.
to dry for 15-20 minutes before proceeding to step 2. (iii) There is moisture on the metal surface or is
likely to be deposited by subsequent
condensation.
2. COMBINING THE REACTIVE (iv) The working environment is likely to be
COMPONENTS contaminated by oil/grease from adjacent
equipment or smoke from kerosene heaters
or tobacco smoking.
Stir the contents of the Solidifier container thoroughly to reincorpo-
rate any separation. Transfer the entire contents of the Base and
Solidifier modules on to the Belzona® Working Surface. Mix a) Apply the Belzona® 1121 directly on to the prepared
thoroughly together to achieve a uniform material free of any surface with the plastic applicator or spatula provided.
streakiness.
b) Press down firmly to fill all cracks, remove entrapped air,
1. MIXING AT LOW TEMPERATURES and ensure maximum contact with the surface.
To ease mixing when the material temperature is below 41°F (5°C),
warm the Base and Solidifier modules until the contents attain a c) Over cracks, gaps and holes, stipple in Belzona® 9341
temperature of 68-77°F (20-25°C). (Reinforcement Tape).
d) Contour the Belzona® 1121 to the correct profile with the 5. APPLICATION OF A FURTHER
plastic applicator or alternatively allow to cure and then
machine down. LAYER OF BELZONA® 1121
e) When Belzona® 1121 is being used as an irregular shim, When a further layer of Belzona® 1121 is required, this should
offer the two mating surfaces together as soon as Belzona® be applied no longer than 1½ days after application of the first
1121 has been applied. Remove excess with the spatula. layer when the ambient temperature is 59-77°F (15-20°C).
CLEANING At higher temperatures, this time will be reduced; at lower
Mixing tools should be cleaned immediately after use with temperatures it will be extended.
Belzona® 9111 or any other effective solvent e.g. Methyl ethly
ketone (MEK). Brushes, injection guns, spray equipment and After the maximum overcoating time has elapsed, the solidified
any other application tools should be cleaned using a suitable Belzona® 1121 must be roughened before applying further
solvent such as Belzona® 9121, MEK, acetone or cellulose Belzona® 1121.
thinners.
4. COMPLETION OF THE
MOLECULAR REACTION
Allow Belzona® 1121 to solidify as below subjecting it to the
conditions indicated.
Temper- Movement or Machining Full Immersion
ature use involving and/or mechanical in
no loading light or thermal chemicals
or immersion loading loading
41°F/ 5°C 28 hours 4 days 10 days 24 days
50°F/10°C 15 hours 2 days 5 days 12 days
59°F/15°C 9 hours 27 hours 3 days 7 days
68°F/20°C 4¾ hours 16 hours 1½ day 4 days
77°F/25°C 2½ hours 9 hours 1 day 2½ days
86°F/30°C 1½ hours 5 hour 16 hours 1½ day
These times are for a thickness of approximately
0.25 inch (6 mm); they will be reduced for thicker
sections and extended for thinner sections.
HEALTH & SAFETY INFORMATION
Please read and make sure you understand the relevant Material Safety Data Sheets.
All descriptions are based on the results of long term tests carried out in our Belzona Polymerics Ltd.,
laboratories and are believed to be true and accurate. No condition or warranty is Claro Road, BS EN ISO 9002 : 1994
given covering the results from the use of our products in any particular case, whether Harrogate, HG1 4AY, England.
the purpose is disclosed or not, and we cannot accept liability if the desired results Certificate No. Q09335
are not obtained. Tel: +44 (0) 1423 567641
Fax: +44 (0) 1423 505967
Copyright © 2002 by Belzona International Limited. All rights reserved. Certain portions of this work
copyright © 1980 - 2001 by Belzona International Limited. No part ot this work covered by the
E-Mail: belzona@belzona.co.uk
copyrights hereon may be reproduced or used in any form or by any means - graphic, electronic or
mechanical including photocopying, recording, taping or information storage and retrieval systems Belzona Inc.,
- without written permission of the publisher. Belzona® is a registered trademark 2000 N.W. 88 Court,
Miami, Florida 33172, U.S.A.
Belzona® 1121 - Instructions For Use - (Page 2) Tel: +1 (305) 594 4994
Fax: +1 (305) 599 1140
Printed in England Publication No. 04-7-01 E-Mail: belzona@belzona.com www.belzona.com
