PCB코팅
1. 개요
2. 용도
3. 특징
4. 물성표
| 구분 | 폴리우레탄 PCU | PCU-200 | PCU-700 | PCU-800 | PCU-900 | |||
|---|---|---|---|---|---|---|---|---|
| Specifications | External look | Main material | Pale yellow | Light yellow | Light yellow | Light yellow | ||
| Hardener | Crystal light yellow | Lemon yellow | Milky color | Lemon yellow | ||||
| Composition | Main material | MDI | MDL | MDL | MDL | |||
| Hardener | PYLOL | PYLOL | PYLOL | PYLOL | ||||
| Viscosity (25℃) | Main material | CPS | 1300 ± 200 | 1300 ± 200 | 1300 ± 200 | 1300 ± 200 | ||
| Hardener | 7000 ± 200 | 700 ± 200 | 2150 ± 200 | 730 ± 200 | ||||
| Specific gravity (25℃) | Main material | 1.08 ± 0.02 | 1.08 ± 0.02 | 1.08 ± 0.02 | 1.08 ± 0.02 | |||
| Hardener | 0.99 ± 0.02 | 0.97 ± 0.02 | 0.91 ± 0.02 | 0.97 ± 0.02 | ||||
| Work Condition | Compound ratio | Main material | 100 | 70 | 100 | 100 | ||
| Hardener | 100 | 100 | 400 | 100 | ||||
| Compound viscosity | 25℃ | 380 ± 100 | 900 ± 200 | 1980 ± 200 | 1000 ± 200 | |||
| Effective curing time after applying | 15~20minutes | 20minutes | 4hours | 20minutes | ||||
| Mixture volatility | KSM 5000 | % | 98 ± 2 | 98 ± 2 | Greater than 85% | 98 ± 2 | ||
| Hardening condition | normal temperature | 4hr | 3hr | 12 ±3 | 3hr | |||
| 40 ℃ | 40~50 minutes | 50~60 minutes | 3~4 hr | 50~60 minutes | ||||
| 60 ℃ | 30~35 minutes | 30~40 minutes | 2 hr | 40~50 minutes | ||||
| Specifications after hardening | External look | Crystal pale yellow | Lemon yellow | Crystal pale yellow | Lemon yellow | |||
| Tensile strength | KSM 3705 | kg/㎠ | 6~8kg/㎡ | 6~8kg/㎡ | 6~8kg/㎡ | 6~8kg/㎡ | ||
| Extension rate | KSM 6518 | % | 130~150% | 130~150% | 130~150% | 130~150% | ||
| Natural volume resistivity | KSM 3015 | ohm=cm | 2×1014 | 2×1014 | 2×1014 | 2×1014 | ||
| Fire resistance | UL 94 | V1 | V1 | V1 | V1 | |||
| Weter suction rate | KSM 3027 | % | Less than 0.3% | Less than 0.3% | Less than 0.3% | Less than 0.3% | ||
| Withstand voltage | KSM 3015 | kg/mm | Greater than 25 | Greater than 25 | Greater than 25 | Greater than 25 | ||
| Strength | -20℃ | KSM 3705 | 35 | 35 | 30 | 60 | ||
| Strength | +25℃ | 25~30 | 30 ± 35 | 25 ± 5 | 55 ± 5 | |||
| Strength | 80℃ | 30 | 35 | 30 | 60 | |||
| Use | Transparent resin for mass molding of electrical and electronic parts | Resin for mass molding of electrical, electronic, mobile and communication parts | PCS coating and keeping purpose | Resin for mass molding of electrical, electronic and communication parts. | ||||
| Packing | 17kg Set | 17kg Set | 17kg Set | 17kg Set | ||||