开化瑞达塑胶科技有限公司 KAIHUA RUIDA PLASTIC-TECH CO.,LTD | 浙江省衢州市开化县桐村镇 Tongcun Town,Kaihua County,Zhejiang,China Tel:+86-570-6044128 Fax:+86-570-6045256 |
PHENOLIC MOULDING COMPOUND
PF (WD20+MD25),M,FR
PF2A4-161J
Color:Black, Red, Brown
Features and Uses
This product is based on linear phenolic resin, wood powder and mineral filler. Products have good electrical insulation, excellent flame retardant performance and can withstand 520℃ hot tin. Suitable for making coil frame, micro switch, relay and other electrical insulation structure. This product conforms to GB 1404-2008 standard, has obtained UL certification, suitable for injection molding or transfer molding.
Technology index
| Test method | Unit | Index |
Physical properties | |||
Specific gravity | GB/T 1033.1 | g/cm3 | 1.50-1.60 |
Molding shrinkage | ISO 2577 | % | 0.40-0.80 |
Water absorption | GB/T 1034 | mg | ≤50 |
| |||
Tensile fracture stressσB | GB/T 1040 | MPa | ≥50 |
Flexural StrengthσfM | GB/T 9341 | MPa | ≥100 |
Impact Strength(without notch)acu | GB/T 1043.1 | KJ/m2 | ≥8.0 |
Impact Strength(notched) acA | GB/T 1043.1 | KJ/m2 | ≥1.8 |
| |||
Dielectric loss factor(tanδ1M ) | GB/T 1409 | - | ≤0.1 |
Volume resistivityρv | GB/T 1410 | Ωcm | ≥1013 |
Surface resistivityρs | GB/T 1410 | Ω | ≥1012 |
Dielectorni StrengthEs2 | GB/T 1408.1 | Kv/mm | ≥10 |
PTI | GB/T 4207 | - | ≥175 |
Heat resistance properties | |||
| GB/T 1634.2 | ℃ | ≥190 |
Heat distortion temperature(Tf 8.0) | GB/T 1634.2 | ℃ | ≥135 |
Flammability (hot rod) BH | GB/T 2407 | - | ≤BH2-10 |
Flame Rating | UL 94 | 0.5mm | V-0 |
P.S.: Material fluidity can be discussed by each other.
Injection condition
Mould temperature℃ | Charging barrel ℃ | Injection pressure MPa | Back pressure MPa | Dwell time s/mm | ||
Fix Mould | Moving Mould | Front barrel | Back barrel | |||
165-175 | 170-180 | 90-100 | 70-80 | 80-160 | 1-3 | 10-20 |
Packing and storage:
This product is packed in kraft paper bag or woven bag lined with moisture-proof plastic inner bag, net weight 25kg. The product name and model, product standard number, batch number and production date, net content and so on are indicated on the package. This product should avoid damp and heat, not near fire or direct sunlight. Store in a dry and ventilated place. The storage period shall be one year from the date of manufacture. After the storage period, those qualified according to the requirements of performance indicators may continue to be used.