Pure Polyester Resin: LT-4ET
1,Properties and Application
LT-4ET saturated polyester resin is suitable for polyester TGIC powder coating system, it enjoys good mechanical performance, decorative properties, good flow and good weather ability.
2. Technical Indexes:
Appearance
| Acid value | Softening point
(universal method)
| Glass transition temperature | Viscosity |
Water white, flake and solid
| 32~38 mgKOH/g | 110~120 | ≥62ºC | 110~150 175ºCPo |
3. Powder Production Formula
LT-4ET
| TGIC | Titanium dioxide
| BaSO4 | Flatting agent | Sensitizer | Benzoin
|
| 600g | 45g | 200g | 150g | 8g | 8g | 5g |
4. Powder Process Conditions
| Extruder | The jacket temperatureºC
| Screw temperature
| The rotation speed | Powder particle size | Curing Condition |
| 50 Extruder | 110~120ºC | 70ºC | 60 rpm | 100 um.max | 180ºC*20min |
5. Coating Performance
| Name | Unit | Numerical value
|
| Coating thickness | µm | 50~75 |
| Gloss 60° | (%) | ≥95 |
| Attachment method | Scribe 2 level | 0 |
Bending test
|
| ≤6 |
| Cupping test |
| ≥7 |
| Impact strength | Kg.cm | 50 |
| Hardness | H | 1~2 |
| Determination of resistance to neutral salt spray | hour | ≥1000 |
| Xenon arc radiation after artificial weathering and exposing to artificial radiation | hour | ≥800 |
Dezhou Longtian Chemical Co., Ltd, is a high-tech company, who specializes in R & D, production and sales of polyester resin for powder coating. The company is located in Dezhou Economic Development Zone of Hi-Tech Industrial Development Zone of Shandong Province. It is next to the Dezhou exits of Beijing Fuzhou Expressway and 104 National Highway, therefore it enjoys advantageous geographical position and convenient transportation. Certified by international quality system ISO9000: 2000, Dezhou Longtian Chemical is one of the key chemical enterprises of Shandong Province.
The company was founded in March 1999. With the joint efforts of Longtian employees, the product quality has been gradually improved and the Company expanded. At present the annual production capacity exceeds 30000 tons. With a professional research team and advanced equipments, we apply advanced production technology and scientific formula to ensure the stability and superiority of the product quality. Longtian polyester has won the trust of our customers by virtue of high quality and competitive price. With Enthusiasm and aggressiveness, our Company will continue to provide high-quality products and more efficient service as your most trusted partner.
