Klebit 303.
2
Industrial glue for water-resistant                   Properties of the glue
bonding in accordance with DIN EN 204                 Base:             PVAC dispersion
Stress Group D 3                                      Mixing ratio (weight
                                                      or volume):       Comp. A : Comp.B = 20 : 1
                                                                        (i.e. 5 % hardener added)
Fields of use                                         Specific weight: Comp. A = approx. 1.10 g/cm³
•   Bonding windows and doors                                                  Comp. B = approx. 1.13 g/cm³
                                                      pH-value:                approx. 3.0
•   Surface bonding of HPL boards
                                                      Colour of glue:          white
•   Surface bonding during partition and element      Colour of mixture:       white
    manufacture                                       Consistency:             medium viscous
•   Bonding hard and exotic timbers, e.g. for the     Viscosity at 20°C
    construction of stairs                            - Brookfield RVT Sp 6/20 rpm:
•   Suitable for veneers                                                       13,000 ± 3,000 mPa·s
•   High frequency bonding                            Pot life:                approx. 24 hrs with hardener added
                                                      Open time (at 20°C): 6-10 minutes
Advantages                                            Chalk point:             approx. +5°C
•   As a single component glue - ready for use        Identification - Glue: Identification      not      required
•   As a two component glue - for demanding                                    according      to   the    German
    requirements                                                               Hazardous               Substances
                                                                               Regulations, GefStoffV.
•   Suitable for hot and cold bonding                                          (See our safety data sheet)
•   Short press times                                 Identification - Hardener:
                                                                               Identification     is      required
Properties of the bond                                                         according to GefStoffV. Contains
•   When used as a single-component glue                                       Isocyanates. Protect hands and
    KLEIBERIT        Klebit  303.2    meets     the                            eyes!     Wash      off   splashes
                                                                               immediately with water.
    requirements of stress group D3 according to
                                                                               (See our safety data sheet.)
    DIN EN 204 (see test certificate no. 555 27399
    issued by the “Fenster Institut Rosenheim”,
    dated 28.08.03)                                   Application methods
•   When used a two-component glue with 5%            •   Brush, spatula or glue roller
    KLEIBERIT Turbo-Hardener 803.5 added, it          •   Gluing devices fitted to frame presses and
                                                          dovetailing machines
    meets the requirements of stress group D4
                                                      •   Glue spreading machines
    (see test report 555 27396/1 issued by the
    “Fenster Institut Rosenheim” dated 08.09.03)
                                                      Application devices must be made from V2A
•   KLEIBERIT Klebit 303.2 has been tested acc.
    to WATT91 (test report 555 27399/2 issued by      steel or synthetic materials.
    the “Fenster Institut Rosenheim”, dated
    15.09.03)                                         Application techniques
•   High bond strength, also with hard and exotic     The materials to be glued must be free from dust,
    timbers                                           oil and grease, and be acclimatised.
•   Glue line (single-component glue): tough          The most favourable working temperature is 18-
    elastic, colourless                               20° C and the moisture content of the wood should
•   Glue line (two-component glue), tough elastic,    range between 8-10 % for indoor areas and 10-14
    slighty yellow)                                   % for window production. Do not process below
                                                      +10° C!
                                                      In most cases, single-sided glue application is
                                                      sufficient.    Double-sided       application     is
                                                      recommended for hard and exotic timbers!
       KLEBCHEMIE M. G. Becker GmbH + Co KG • P.O. Box 1204 • D-76353 Weingarten
    tel. +49 7244 620 • fax +49 7244 7000 • E-Mail info@kleiberit.com, http://www.kleiberit.com
                                                                                    Slight foaming of the mixture will not affect the glue
Klebit 303.2                                                                        quality and can be eliminated by stirring.
                                                                                    Windows and similar frame constructions can be
Application quantity:                                                               removed from the press immediately after having
120-130 g/m² for veneer work.                                                       been temporarily fastened together with nails. Final
150-200 g/m² when bonding solid wood.                                               bond strength which meets the requirements of
The application quantity is dependent upon the                                      DIN/EN 204 stress groups D3 or D4 will be
structure of the surface and the application devices                                reached after 7 days.
used.
Open time:                                                                          Wood and wooden materials are natural products.
6-10 min.                                                                           Influenced by the region of the world from which
                                                                                    they originate, as well as the differing pre-treatment
The open time is influenced by the quantity of glue                                 methods to which they have been exposed,
applied, absorbability of the materials, temperature                                isolated cases of discolouration, (e.g. Birch, Cherry
and the moisture content of the wood and air.                                       and Sugar Maple) can occur. The same can
                                                                                    happen when bonding wood which contains tannin
Pot life: approx. 24 hours                                                          (e.g. Oak) and when it makes contact with iron
Thoroughly stir in the prescribed amount of                                         (due to an unsuitable pressing plant).
hardener until a good mixture is achieved.
Following expiry of the pot life, any glue remaining
may be used as D3 glue or re-mixed with 5 %
KLEIBERIT Turbo-Hardener 303.2 to attain a D4                                       Cleaning
bond.                                                                               Application devices, machines and containers can
                                                                                    be cleaned with water
Pressure: 0.70-1.00 N/mm² for laminated plastics
          and laminated wood                                                        Packaging
                                                                                    KLEBIT 303.2:
Press times:                                                                        Plastic hobbock                                                      10 kg net
Joint bonding                                  at 20° C - from 15 min               Plastic hobbock                                                      28 kg net
Joint bonding (pre-heated)                     at 50° C - from 5 min                Plastic drum                                                        130 kg net
Joint bonding                                  at 80° C - from 2 min                Disposable plastic container                                       1000 kg net
Surface bonding HPL boards                     at 20° C - 15-20 min
Surface bonding HPL boards                     at 50° C - approx. 5 min
Surface bonding                                at 80° C - 1-2 min                   KLEIBERIT Turbo Hardener 803.5:
                                                                                    Carton cont. 12 metal bottles each 0.50 kg net
When used as a two component glue, the times                                        Carton cont. 12 metal bottles each 0.7kg net
shown should be increased by approx. 50 %.
                                                                                    Storage
                                                                                    Both components can be stored for approx. 1 year
                                                                                    at 20° C in the original factory sealed containers.
                                                                                    The glue is resistant to frost and temperatures
                                                                                    down to approx. -30° C. Before use, warm to room
                                                                                    temperature and stir well.
                                                                                    EX 0605 - Replaces all previous editions
Waste Disposal                                                                      Service
Disposal of contents and/or containers should comply with all applicable federal,   Our application department may be consulted at any time without obligation. The
state and local regulations.                                                        statements made herein are based on our experience gained to date. They are to be
Our containers are made of recyclable material.                                     considered as information without obligation. Please test and establish for yourself
                                                                                    the suitability of our products for your particular purposes. No liability exceeding the
                                                                                    value of our product can be derived from the foregoing statements. This also applies
                                                                                    to the technical consultancy service which is rendered free of charge and without
                                                                                    obligation.
        KLEBCHEMIE M. G. Becker GmbH + Co KG • P.O. Box 1204 • D-76353 Weingarten
     tel. +49 7244 620 • fax +49 7244 7000 • E-Mail info@kleiberit.com, http://www.kleiberit.com