HECHIN/HAOTAI offers a broad variety of transformer boards. The cellulose based pressboard is available in various densities and thicknesses - ranging from 1.0mm - 60mm, all meeting international standards. Transformer board ensures long-term dimensional stability.
|Oil absorption rate||%||≥9|
|Electric conductivity water extract||Ms/m||≤8.0|
|Voltage resistant strength （In oil）||Kv/mm||≥6|
Packing & Delivery
Is there quality control on electrical insulation materials production lines?
Yes, every type electrical insulation material production lines have adequate quality control.
Is there a procedure to conduct random product inspection after final packing?
Yes, with clear standard and written inspection records.
How do you control product quality?
Our control quality is divided into three modules, first, raw materials entering the factory for testing, second, professional technicians for supervision during production, and third, laboratory testing quality before shipment.