PI Alignment Layer (PSA-mode)
Applications
The main function of Polyimide alignment film material is to control the orientation of liquid crystal molecules and provide a pretilt angle for the liquid crystal. The PSA-mode provided by Daxin Materials is mainly used in the alignment film material for TVs, enabling the liquid crystal components to have excellent performance and wide processability conditions.

Features
- No image sticking
- High VHR and excellent reliability
- Stable pre-tilt angle
- Drop mura free
- Excellent adhesion
- Excellent coating properties
Specifications
| Product Name | DA-90X | DA-63X | DA-91X | ||
|---|---|---|---|---|---|
| Field of Application | Normal type | Pioneer ESG | |||
| Features | 1. Drop Mura Free 2. No Image Sticking | Suitable for PFA Type PSA-LCD | Low hard bake temperature | ||
| Viscosity | cP | 6~25 | 6~25 | 14~22 | |
| Non-Volatile Matter Content | wt% | 3.0~7.0 | 3.0~7.0 | 6.0~7.0 | |
| Voltage Holding Ratio, VHR | % | >90 | >90 (Normal) >80 (After PCT 12hr) | > 90 | |
| Volume Resistivity | Ω.cm | 1011~1013 | 1011~1013 | 1011~1012 | |
| Recommend Process Conditions | Pre-bake | oC ; min | 70~90 ; 2 | 70~90 ; 2 | 70~90 ; 2 |
| Post-bake | oC ; min | 210~230 ; 15~60 | 210~230 ; 15~60 | 180~230 ; 15~30 | |