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Bayhytherm® 3146

Solvent               Water                      approx.          49%
                      Solventnaphtha® 100        approx.           2%
                      N-methyl pyrrolidone       approx.           1%
                      1-methoxypropylacetate-2   approx.           1%

Solubility / thinnability  

                      Bayhytherm® 3146 can be diluted with water, esters,

                      ketones, alcohols, glycols and glycol ethers.
                      However, the solutions formed must be tested for their

                      storage stability.

Compatibility         Bayhytherm® 3146 is compatible with Bayhydrol® E 270, U

                      241, UH 2621 and Bayhytherm® VP LS 2153; with blocked

                      polyurethane dispersions such as Bayhydur® BL 5140, VP LS

                      2310 and Bayhydur® BL XP 2706 and also with amino resins

                      such as Cymel® 303, 328, 3701) and Maprenal® MF 9042).
                      However, the compatibility of the combinations used should

                      always be tested.
                      1) Cytec Deutschland GmbH, Neuss
                      2) INDEOS Melamines GmbH, Frankfurt/Main

Properties / Applications

                      Bayhytherm® 3146 is used for the formulation of waterborne,

                      one-component baking systems such as waterborne fillers or

                      general purpose industrial coatings. Coating films based

                      on Bayhytherm® 3146 exhibit extraordinary impact strength,

                      adhesion and overcoatability. Bayhytherm® 3146 can also be

                      used as an additive to conventional waterborne stoving

                      systems to improve flexibility, impact strength and

                      adhesion.
                      The product is characterized by greater reactivity and

                      better pigment wetting and thermal stability than the

                      self-curing Bayhytherm® VP LS 2153. Because it is easier

                      to dilute, it also offers advantages with respect to the

                      solids content and filling power of the coating systems at

                      spray viscosity.
                      Typical curing parameters are 30 min at 130 °C. The

                      product exhibits overbaking stability up to 120 min at 190

                      °C. Slight thermal yellowing may occur depending on the

                      baking temperature and time.

Storage              -Storage in original sealed Bayer MaterialScience container.

                      -Recommended storage temperature: 5 - 23 °C.

                      -Protect from frost, heat and foreign material.

                      General information: The product is sensitive to frost.

                      Freezing will damage the product irreversibly. Prolonged

                      storage at higher temperatures may result in a decrease

                      of viscosity and/or an increase of average particle size,

                      possibly resulting in sedimentation or coagulation.
Storage time          Bayer MaterialScience represents that, for a period of

                      three months following the day of shipment as stated in

                      the respective transport documents, the product will meet

                      the specifications or values set forth in section

                      "specifications or characteristic data" above, what ever

                      is applicable, provided that the product is stored in

                      full compliance with the storage conditions set forth in

                      and referenced under section "storage" above and is

                      otherwise handled appropriately.
                      The lapse of the three months period does not necessarily

                      mean that the product no longer meets specifications or

                      the set values. However, prior to using said product,

                      Bayer MaterialScience recommends to test such a product

                      if it still meets the specifications or the set values.

                      Bayer MaterialScience does not make any representation

                      regarding the product after the lapse of the three
                      months period and Bayer MaterialScience shall not be

                      responsible or liable in any way for the product failing

                      to meet specifications or the set values after the lapse

                      of the three months period.

Labeling and REACH applications

                      This product data sheet is only valid in conjunction with

                      the latest edition of the corresponding Safety Data Sheet.

                      Any updating of safety-relevant information- in accordance

                      with statutory requirements – will only be reflected in

                      the Safety.
                      Data Sheet, copies of which will be revised and

                      distributed. Information relating to the current

                      classification and labeling, applications and processing

                      methods and further data relevant to safety can be found

                      in the currently valid Safety.
                      Data Sheet.