Model No.︰3721
Brand Name︰QY
Country of Origin︰China
Unit Price︰CNY ¥ 1.55 / KG
Minimum Order︰200 KG
High mechanical applications, suitable as structural parts for electrical equipments.
1. Insulation materials Insulation rods 3721 Phenolic cotton rods .
2. 3721 Phenolic cotton rods are are made of insulating cotton cloth impregnated phenolic resin by moulding and processing under heat and pressure .
3. 3721 Phenolic cotton rods has high mechanical applications .
4. 3721 Phenolic cotton rods can be processed into all kinds of insulation parts , The products are widely used transformers, electric motors, cabinets, control boxes, electric switches, railway, automobile and medical appliance,etc.
5.The size of 3721 Phenolic cotton rods :
Diameter:10-200mm
Length:1000mm
6.The company passed ISO9001 quality system.
7.The materials has Rohs test report.
No. |
Item |
Units |
Value |
3721 |
|||
1 |
Applicable Standards |
— |
JB889-75 |
2 |
Density |
g/cm³ |
1.25~1.45 |
3 |
Bending strength perpendicular to laminations |
MPa |
117.6 |
4 |
Tensile strength |
MPa |
78.4 |
5 |
Impact strength |
MPa |
— |
6 |
Insulation resistance Impregnated in water |
Ω |
1.0×108 |
7 |
Voltage endurance parallel to lamination (in oil 20±2°C) |
kV |
10.0 |
8 |
Water absorption Thickness 13mm Thickness 25mm Thickness >25~51mm |
mg |
1.0(%) |
9 |
Temperature index |
°C |
120 |
Payment Terms︰ TT, LC, DP, LC, DP