TECHNICAL DATA SHEET
Adekit A 236
February 19, Version 03 /2019
2
TECHNICAL DATA SHEET
Adekit A 236 with -25 minute (Fast) or -125 minute (Slow) hardeners
POLYURETHANE ADHESIVE SYSTEM
FOR LARGE COMPOSITE PARTS BONDING
DESCRIPTION
Bonding of large composite parts (RTM, SMC, GRP, Laminate), metallic structures, plywood for application
requiring high performances and flexibility in transport industries (truck, bus) and Marine (hull bonding,
deck bonding, interior design). Two cure speeds available : Adekit A 236 25 (25 minute) and Adekit A
236 120 (120 minute).
PROPERTIES
Non sagging paste product with gap
fill up to 30mm in vertical and
ceiling application; 60mm in horizontal
Two separate cured color
options/mixing colors depending on
system used (25 minute or 120 minute).
Excellent strength to dynamic loads
(vibration and impact)
Odor and solvent free
Long open time with reduced handling
time
Usable with pneumatic dispensing guns
Comes in 400 ml, 600 ml cartridges or
drum units
PHYSICAL PROPERTIES (Adekit A 236-25)
Composition Adekit A 236-25
Polyol
Adekit A 236-25
Isocyanate
MIXED
Mix ratio by weight
Mix ratio by volume at 25 C
92
100
100
100
Aspect Paste Paste Paste
Color Black Beige Light Gray
Viscosity 25 C (25 C) 160,000 260,000 40,000 70,000 Paste
Density at 25 C lbs./gal
(g/cc)
ASTM D792 (10.7)
1.29
(11.7)
1.40
(11.2)
1.34
Pot life (50 g.) (minutes) Brookfield 25 – 35
Sag on 40 mm bead < 5%
TECHNICAL DATA SHEET
Adekit A 236
February 19, Version 03 /2019
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PHYSICAL PROPERTIES (Adekit A 236-120)
Composition Adekit A 236-120
Polyol
Adekit A 236-120
Isocyanate
MIXED
Mix ratio by weight
Mix ratio by volume at 25 C
92
100
100
100
Aspect Paste Paste Paste
Color Beige Beige Beige
Viscosity 25 C (25 C) 300,000 400,000 40,000 70,000 Paste
Density at 25 C lbs./gal
(g/cc)
ASTM D792 (10.7)
1.29
(11.7)
1.40
(11.2)
1.34
Pot life (50 g.) (minutes) Brookfield 90 - 120
Sag on 40 mm bead < 5%
MECHANICAL PROPERTIES at 23 C (Adekit A 236-25 & A 236-120)
Hardness (Shore D)* ASTM D-2240 55-60
Tensile Strength (psi) **
ASTM D-638
1,740
Elongation at break (%) ** 60
Tensile Modulus (psi) ASTM D-636 12,000
Working Temperature ( C)*** (80% lap shear retention on
aluminium after 1000 hours)
-40 - 120
*Cured 24hr at 23 C
**Cured 16Hr at 104 F (40 C)
TECHNICAL DATA SHEET
Adekit A 236
February 19, Version 03 /2019
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***80% lap shear strength retention on aluminum
TECHNICAL DATA SHEET
Adekit A 236
February 19, Version 03 /2019
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Mechanical Properties On Assemblies (Cured 16H at 70 C)
Lap Shear Strength at 23 C
Substrate Type/Condition *Lap Shear Strength (Psi) Failure Mode
Aluminum 2017 A - Sandblasted 2,318 CF/SCF
Stainless steel 304 - Sandblasted 2,188 SCF
Electro galvanized steel - Sandblasted 1,884 AF
Electro galvanized steel - Acetone wipe 2,391 CF
ABS - Sanded + Isopropanol wipe 435 SF
PC Sanded + Isopropanol + Primer** 363 AF
PVC Sanded + Isopropanol + Primer** 725 SF
PMMA - Sanded + Isopropanol wipe 725 SF
PA6E - Sanded + Isopropanol + Primer** 362 SF
GFR Polyester Isopropanol wipe 1,159 DF
CF: Cohesive Failure AF: Adhesive Failure SCF: Special Cohesive Failure
SF: Substrate Failure DF: Delamiantion Failure **Sika Advanced Materials Primer
Substrate Preparation
The item to be bonded must be free of all dirt, oil or other foreign matter. A clean, dry surface is a
must. Please consult our Technical Support and refer to the technical data sheet about surface
preparations to choose adapted degreaser or cleaner. Wet Lay- up Polyester or Vinyl ester must be
primed or grinded prior to bonding. Infused Polyester or Vinyl ester: remove the peel ply just before
bonding.
Equipment
ADEKIT A236-25 and A236-120 packaged in 400 ml cartridges require a pneumatic gun.
Please consult our technical department for applications needing a machine.
HANDLING PRECAUTIONS
Normal health and safety precautions should be observed when handling these products :
Ensure good ventilation.
Wear gloves, glasses and protective clothes.
For further information, please consult the Safety Data Sheets.
TECHNICAL DATA SHEET
Adekit A 236
February 19, Version 03 /2019
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STORAGE CONDITIONS
Product shelf life of Adekit A236-25 and Adekit A236-120 resin and hardner is 9 monthswhen
stored in original unopened containers between 65 77 F (15 25 C).
PACKAGING
Packaging information on request, please contact your local sales representative or find
your local contact on www.sikaadvancedresins.us
LEGAL NOTICE
The information, and, in particular, the recommendations relating to the application and end-use of
Sika products, are given in good faith based on Sika s current knowledge and experience of the products
when properly stored, handled and applied under normal conditions in accordance with Sika s
recommendations. In practice, the differences in materials, substrates and actual site conditions are
such that no warranty in respect of merchantability or of fitness for a particular purpose, nor any liability
arising out of any legal relationship whatsoever, can be inferred either from this information, or from
any written recommendations, or from any other advice offered. The user of the product must test the
product s suitability for the intended application and purpose. Sika reserves the right to change the
properties of its products. The proprietary rights of third parties must be observed. All orders are
accepted subject to our current terms of sale and delivery. Users must always refer to the most recent
issue of the local Product Data Sheet for the product concerned, copies of which will be supplied on
request.
TECHNICAL DATA SHEET
Adekit A 236
February 19, Version 03 /2019
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CONTACT ADVANCED RESINS
GERMANY
Stuttgarter Stra e 139
72574 Bad Urach GERMANY
Tel.: (+49) 7 125 940 492
Fax. : (+49) 7 125 940 401
E-mail : tooling@de.sika.com
Website : www.sikaadvancedresins.de
FRANCE
ZI des B thunes - 15, Rue de l Equerre
95310 Saint-Ouen-l Aum ne
CS 40444
95005 CERGY PONTOISE Cedex FRANCE
Tel.: (+33) 1 344 034 60
Fax: (+33) 1 342 197 87
E-mail: advanced.resins@fr.sika.com
Website : www.sikaadvancedresins.fr
SPAIN
Pol gon Industrial Congost - Guardaagulles, 8
08520 LES FRANQUESES DEL VALLES SPAIN
Tel.: (+34) 932 25 16 20
E-mail: spain@axson.com
Website: www.sikaadvancedresins.es
ITALY
Via Morandi 15
21047 Saronno (Va) ITALY
Tel.: (+39) 02 9670 2336
Fax: (+39) 02 9670 2369
E-mail: axson@axson.it
Website: www.sikaadvancedresins.it
UNITED KINGDOM
Unit 15 Studlands Park Ind. Estate
Newmarket Suffolk, CB8 7AU UNITED KINGDOM
Tel.: (+44) 1638 660 062
Fax: (+44) 1638 665 078
E-mail: sales.uk@axson.com
Website: www.sikaadvancedresins.uk
SLOVAKIA
Tovarenska 49
95301 ZLATE MORAVCE SLOVAKIA
Tel: (+421) 376 422 526
Fax: (+421) 376 422 527
E-mail: axson.sk@axson.com
Web site: www.sikaadvancedresins.sk
UNITED STATES
30800 Stephenson Highway
Madison Heights, Michigan 48071 USA
Tel.: (+1) 248 588-2270
Fax: (+1) 248 577-0810
E-mail: axsonmh@axson.com
Web site: www.sikaadvancedresins.us
MEXICO
Ignacio Ram rez #20
Despacho 202 Col. Tabacalera
C.P. 06030 CDMX MEXICO
Tel.: (+52) 55 5264 4922
Fax: (+52) 55 5264 4916
E-mail: marketing@axson.com.mx
Website: www.sikaadvancedresins.mx
CHINA
N 53 Tai Gu Road
Wai Gao Qiao
Free Trade Zone, Pudong
200131 Shanghai CHINA
T l.: (+86) 21 5868 3037
Fax: (+86) 21 5868 2601
E-mail: marketing.china@axson.com
Website: www.sikaadvancedresins .cn
JAPAN
2-5-12 Onishi Okazaki Aichi
444-0871 JAPAN
Tel.: (+81) 564 26 2591
Fax: (+81) 564 26 2593
E-mail: sales.japan@axson.com
Website: www.sikaadvancedresins.jp
INDIA
Office n 8, Building Symphony C - 3rd Floor
Range Hills Road
Bhosale Nagar
PUNE 411 020 INDIA
Tel: (+ 91) 20 25 56 07 10
Fax: (+ 91) 20 25 56 07 12
E-mail: info.india@axson.com
Website: www.sikaadvancedresins.in