Products and services


Used for tin cans and roll coatings, also can be used for other general metal baking paints

Main properties: good flexibility, quick physical drying, good adhesion, good solvent resistance and hydrolysis, high gloss, high hardness, high satiation

Product pictures:


Acrylic modified polyester structural representation

Main technical parameters
Appearance Light yellow or transparent sticky liquid
Solid content% 69+1
PH1%H2O 6.5-7.5
Viscosity/23℃ 4000-15000cp
Color Gardner 1-4
Acid value based on the solid 55-65mgKOH/g
Hydroxyl value based on solid 1.5 -2
Proportion g/cm³ 1.045
Volatile substance Ethylene glycol monobutyl ether

Gransport™4301 recommended formulation and application of metal baking paint

Blacking wash   Finished product formulation
Gransport™4301 50 Main resin Gransport™4301 96 Main resin
DMEA 2.2 Neutralizer DMEA 5.5 Neutralizer
Di-Water 25.8 Deionized water Di-Water 23.6 Deionized water
BYK-190 6 Wettting dispersant Blacking wash 35 Self-made paste
Black carbon 10 Pigment CYMEL303 20 Crosslinking agent
BCS 6 Solvent DPM 2 Solvent agent
      BCS 4 Solvent
      104E 0.6 Auxiliaries
      BYK346 0.6 Auxiliaries
Formulation expected parameters:
Solid content , wt% 35-40
PH 8.0-8.5
Applicable viscosity 18-22s
Applicable method Laboratory hand painting
Roasted conditions indoor temperature 5min+70℃*5min+145℃*30min

Gransport™4301 performance test results of baking paint

Evaluation of project Result Test standard
Gloss(60°) 98 GB/T1743-98
Adhesion (tinplate,1mm) Level 0 GB/T9286-86
Impact GB/T1732-93
Hardness ≥2H GB/T6739-96
Bending 1mm GB/T1731-93
Water-tolerant(40℃) 96h no foaming, adhesive level 0 GB/T1733-93
Acid-resisting(0.1N H2SO4solution) 24h no change GB/T1771-91
Alkali-resisting(0.1N NaOHsolution) 48h no change GB/T1771-91
Salt mist resisting(neutral salt mist 200H GB/T1771-91
Solvent resisting(xylene ) no significant change in 100 strokes GB/T23989-2009
Petrol-resistance(92#) 48Hno change GB/T1734-79

Note: thickness of dry film :25-35um: Base material:tin plate