912月

Polyglass banding tape for transformer

Posted by: xincheng insulation Categories: Insulation tape
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Polyglass banding tape

Specification:  
No. Item Standard Tolerence  
1 Thickness mm 0.17，0.20，0.25, 0.30, ±0.03  
 
2 Width mm 10 ±1  
15 ±1.5  
20，25 ±2  
30，40，50  
3 Length mm Coil 125 ±1 0  
 
200,250,300 ±2 0  
 
Roll 500 ±3 0  
 
1000,1500 ±5 0  
 

 

 

 

 

Performance:（JB/T6236.3-92）
No. Index Unit Standard Value
2830 2831 2840 2841-W 2842-W 2843-W
1 Volatile % ≤5.0
2 Resin content % 27±2
3 Soluble resin content % ≥90
4 Curing property   Easy to be peeled off ,not adhesion
5 Tensile strength before curing N/10mm width — ≥5.00×102（0.17mm thickness）
≥1.00×103（0.30mm thickness）
6 Tensile strength of annular sample(room temp. MPa ≥8.00 ≥9.00 ≥8.00 ≥9.00 ≥1.15 ≥9.00
×102 ×102 ×102 ×102 ×103 ×102
           
7 Tensile strength of annular sample(Termal state) MPa ≥5.00×102 ≥5.60 ≥9.00 ≥5.60
×102 ×102 ×102
8 Elongation at break of annular sample % ≤4.0
9 Tensile elastic modulus for annular sample MPa ≥4.50×104
10 Temperature index for long-term heat resistance ℃ ≥130 ≥ 155

 

Curing condition : (not including the heating time of itself)  
2830　 2831 2840 2841-W 2842-W 2850 2851
2843-W 2844-W
Temp. Time Temp. Time Temp. Time Temp. Time Temp. Time
℃ h ℃ h ℃ h ℃ h ℃ h
80 2 80 2 80 2 120 2 80 2
105 2 100 2 120 2 140 2 130 2
120 2 130 2 155 15 160 2 155 2
130 15 155 8     180 4 180 3
            200 4    

 

Storage: Should be kept in dry,well-ventilated,clean place under 30℃,or Reefer.Storage life (from the ex-factory date),pls see below:  
 
Storage Temp.℃ ≤5 6～10 11～15 16～20 21～25 26～30      
Storage Life Month 12 8 6 4 3 2