Zhejiang Changming Chemical Products Co.,Ltd.

Matting Hardener CM68

• Category :

  Agrochemicals

• CAS NO :

• EC NO :

• Molecular Formula :

• Molecular Weight :

• Main Specifications :

• Product description :

  1. Application

  CM-3 is a kind of polyester resin mixed with epoxy resin in (70:30) for producing epoxy/polyester powder coatings.

  2. Properties

  CM-3

  High gloss

  Good flow

  Film chubbiness

  Perfect Mechanical properties

  Good anti-yellowing

  Good storage stability

  3. Specification

  Apperance	Granular Solid
  Color（50%DMF）max	6
  Acid value（mgKOH/g）	30-45
  Softening point（ball）（℃）	95-110
  Tg（℃）	≥50

   

   

   

  4. Formulation

  CM-3	Around 450 g
  Epoxy resin（663U）	Around 200 g
  TiO2	350g
  Flow agent（CM503）	50g
  CM701	10g
  Benzoin	5g

  5. Extrusion Condition

  Double kneading screw temp:100℃±5；particle size μm max:100；

  Curing condition：180℃×15min

  6. Application Condition

  Spray tension KV：40-60；Degreased cold-rolled steel mm : 0.5

  7. Film Properties

  Thickness μm60±10；Gloss 60°：>86%；Adhension（Gloss-hatch 2mm）：0；

  Bending≤6mm；Impact kg.cm: 50；Hardness（pencil）H：1-2

  8. Package and Storage

  Every PVC bag contains 25 kg, stored in dry and well ventilated place at temperature below 30℃, for 1 year.