AKZO NOBEL
MELAMINE UREA FORMALDEHYDE - MUF ADHESIVE
Laminated beam MUF system 1242 / 2542
Adhesives for Glulam beams
- Long storage time
Light coloured system for laminated beam and finger joints in load bearing timber structures.
Mixed application of adhesive and hardener
Product Specification
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1242
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2542
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Product
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MUF adhesive
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Hardener
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Delivery Form
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Liquid
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Liquid
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Colour
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Opaque white
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Cream (light yellow)
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Viscosity (at time of production)
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10000 - 20000 mPas
(Brookfield LVT, sp.4, 12 rpm, 25ºC / 77°F)
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10000 - 20000 mPas
(Brookfield LVT, sp.4, 12 rpm, 25ºC / 77°F)
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pH (at time of production)
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9,5 - 11,0 (at 25ËšC / 77°F)
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0,8 - 1,5 (at 25ËšC / 77°F)
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Dry content
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66 - 69%
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Not applicable
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Storage Life (months)
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15°C/59°F
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20°C/68°F
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30°C/86°F
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15°C/59°F
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20°C/68°F
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30°C/86°F
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---
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8
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4
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---
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6
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---
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Storage Conditions
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Recommended storage temperature 15°C to 25°C / 59°F to 77°F.
Only short time exposure to temperatures below 10°C / 50°F and above 30°C / 86°F are acceptable.
If the product has been frozen it cannot be thawed and used because of irreversible changes in its properties.
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Recommended storage temperature; 15°C to 25°C / 59°F to 77°F.
Only short time exposure to temperatures below 10°C / 50°F and above 30°C / 86°F are acceptable.
Frozen and thawed product cannot be used due to irreversible changes in the product.
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Formaldehyde Info
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≤0.7% free formaldehyde
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Contains no formaldehyde
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Density
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Appr. 1250 kg/m³
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Appr. 1340 kg/m³
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Glue Line Properties
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Fulfills the requirements according to EN 301 (for glue type I and II, service classes 1, 2, 3) and DIN 68141.
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Approvals
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1242 with hardener 2542 is approved by Norsk Treteknis Institutt (NTI), Norway, Materialprüfungsanstalt Universität Stuttgart - Otto - Graf - Institut (MPA), Germany, and SKH/KOMO (DHBC No.32389), Holland for the production of load-bearing timber structures.
1242 with hardener 2542 fulfils the requirements according EN 301 for glue type I for service classes 1, 2, 3 in EN 386 as well as the requirements in DIN 68141 for the production of load-bearing timber structures according DIN 1052.
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Gluing Operation Information
Applications
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Laminated Beams
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Press Type
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Cold Press, Hot Press
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Press Temperature
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Minimum pressing temperature is 20°C / 68°F
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Pressing Time
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Glue joint temperature
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Mixing ratio 100:20
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20°C / 68°F
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10h
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30°C / 86°F
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3h
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Glue joint temperature
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Mixing ratio 100:25
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20°C / 68°F
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9h
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30°C / 86°F
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2h 45’
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Suitable adhesive for fire door repairs
Fire door repair adhesive
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