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位置:维兴电子 >> 产品展示 >> Dolph's Varnish>> HI-THERM BC-346-A凡立水

HI-THERM BC-346-A凡立水

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详情描述

产品说明
BC-346A为一种特制的耐高温绝缘凡立水,且已被广泛的使用于UL CLASS A、B、F
及H等系统中。

产品特点
1. 极佳的延展性与粘着性。 2. 高度的结合力。

3. UL绝缘系统认证至CLASS H等级(180℃)。 4. 通过美国政府认定之产品。

5. 美国国防部核准为MIL-I-24092,CB等级180系列。

产品说明
电气产品与电子零件各类型线圈、马达、发电机、变压器、电枢等
1. 依产品特性决定所需要稀释的浓度。

2. 将欲处理之产品预热到105℃。

3. 冷却至65℃至75℃。

4. 浸没于凡立水中,15-30分钟至气泡消失为止。

5. 将产品滴干15~30分钟。(为使其拥有更强的结合力,滴干时间愈短愈好)

6. 至于烤箱烘烤,以下为建议的烘烤温度及时间。(依产品不同做适当调整)

*2.5-5小时 @ 135℃ *1.5-4小时 @148℃

*1-2小时 @ 162℃

*烘烤时间为产品达到烘烤温度后完全硬化所需之时间

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.
High temperature (220°C) varnish: tough, flexible, and QPL and UL recognized; meets MIL-I-24092D. Class 180 for processing at land-based facilities. UL systems up to 220°C.