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HI-THERM BC-346-A Varnish
TYPICAL PROPERTIES
Physical
| Appearance/Color | Clear/Amber |
| Specific Gravity @700F.,ASTM D-287 | 19.5-21.5° |
| Viscosity,.Dolph Cup @86°F | 48.0-21.5 sec. |
| Viscosity,#1 Demmler Cup @86°F | 44-55 sec. |
| Build-Up, D.F.T., ASTM D-115 | 4-5 mils |
| Thinner | T-100 |
| Bake Time @300°F. on a Strip,ASTM D-115 | 30 min. |
| Cure Time @ 300°F. in 20 gram test cup | 65 min |
| Corrosive Effect on Copper | None |
Chemical Resistance
| Water | Excellent |
| Acid (10% Sulfuric Acid) | Excellent |
| Alkali (1% Sodium Hydroxide) | Excellent |
| Salt Water | Excellent |
| Oil. ASTM D-115 | Passed |
Electrical
| Dielectric Strength, volts/mil (dry) | 4,000 |
| Dielectric Strength, volts/mil (wet) | 2,900 |
GENERAL PROPERTIES
COMPATIBILITY WITH MAGNET WIRE COATINGS
HI-THERM BC-346A is compatible with the following magnet wire coatings:
Polyamide Epoxy Polyester Amide-Imide
Textile Polyimide Polyvinyl Formal-Polyamide
Polyurethane Amide-Imide Polyurethane-Polyamide
HEAT LIFE
HI-THERM BC-346A has a heat life of 20,000 hours at 215℃.And 40,000 hours at 205℃.As determined by
IEEE#57(Twisted Pairs)using Polyester Amide-Imide wire Data is available on use of BC-346A in UL listed
systems through 220℃
SOLVENT
Thin with DOLPH’S T-100(V.M. & P.Naphtha)
Dolph’s T-200-X(Xylol) may also be used
IMPREGNATING ABILITY
Excellent wetting properties give maximum penetration using atmospheric or vacuum impregnation
DIP TANK STABILITY
Field experience has proved HI-THERM BC-346-A to have excellent dip tank stability.