SKYBON ES-830 Saturated Polyester Resin - 广州昊毅新材料科技股份有限公司

SK saturated polyester resin

SKYBON ES-830 Saturated Polyester Resin

                                               

 

Product performance

parameter

unit

Numerical value

Exterior

 

transparent block

molecular weight

g/mole

7,000

Viscosity

dl/g

0.24

glass transition temperature

Degree C

23

Softening point (°C)

Degree C

100

Acid value

KOH mg/g

less than 3

Hydroxyl value

KOH mg/g

18-28

Applications
Coil Coating for Household Appliances
Varnish
Metallic paint, etc.

Features
Superior hardness and chemical resistance
Strong adhesion to steel, aluminum and tin plates
Fast fixation speed, suitable for high line speed operation
The solution has low viscosity

Dissolution method
1. Put all the solvent into the reactor
2. While stirring, put ES-830 solid into the reactor
3. After adding all the ingredients, raise the temperature of the reactor to 90-100 degrees and stir for 2 hours. When using MEK and acetone, the maximum pressure of the reactor: 2kg/cm2
4. Turn off the heating system and continue stirring for an hour and a half to let the temperature of the reactor drop naturally.
5. Stop stirring, the solution needs to be filtered, and put the solution into a 200kg bucket

Common solvents
MEK, toluene, acetone, butanediol, DBE, Solvesso, cyclohexanone, celusoleacetate, isophorone, etc.

starting recipe
- For inner coating of aluminum food cans

1. ES-830 solution(ES-830S)

 ES-830 solid        55%
 S#150                   45%

2. Mill Base grinding base

ES-830S                         250.00kg
DBE/S#150=20:80       142.10kg
TiO2                                 300.00kg
Total                                 692.10kg

3. Let down mix

grinding base                           692.10kg
ES-830S                        178.60kg
Cymel 303                      42.90k
DBE/S#150=20:80       73.70kg
DNNSA                           12.00kg
Total                                1000kg

**DNNSA:50% in cellusolve Acetate
**Leveling Agent:0.5-1% by Mill Base
***Solid content of Paint:50%
***P/B Ratio(Pigment Binder):1:1
***Cymel/ES-830 Solid:1/6
***Catalyst by ES-830 solid:2%

Film performance

parameter

condition

testing method

value

pencil hardness

shave

mitsubishi pencil

H-2H

T-Bend

room temperature

1T

No cracks

luster

Photometer

60°

more than 85%

chemical resistance

↑↓ times

MEK wipe

More than 100

stain resistance

Magic

Xylene wash after 30 minutes

superior


Product packaging
Solution: 200kg Drum (55%Solution)

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