Main Products: fiberglass tape ,class F DMD ,F class electrical insulation paper DMD ,epoxy resin prepreg SHS electric insulation material ,GHG Pre-impregnated Material
Epoxy-resin impregnated DMD for dry-type transformer
USD $3.5 - $8 /Kilogram
Min.Order:1 Kilogram
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Mianyang Guo Shun Electric Co., Ltd.
Business Type: Manufacturer
Sichuan ChinaMain Products: fiberglass tape ,class F DMD ,F class electrical insulation paper DMD ,epoxy resin prepreg SHS electric insulation material ,GHG Pre-impregnated MaterialProduct Details
Epoxy-resin impregnated DMD for dry-type transformer is made of non-woven polyester mat bonded to both sides of an electrical grade polyester film using heat-resistant resin, and then bake to half-solidified laminate, Epoxy-resin impregnated DMD for dry-type transformer is steady thermal-bond adhesive material, and the Epoxy-resin impregnated DMD for dry-type transformer thermal class is F(155℃)
Characteristics
Good properties of mechanism and electric , and Epoxy-resin impregnated DMD for dry-type transformer applicable for the high quality, insulation system
Good flexibility, high strength of bonding with resin and substrate material
Long storage time, simple molding process
Big content of dissolve resin, high strength divesting
Little content of volatile and part discharge
Application
Epoxy-resin impregnated DMD for dry-type transformer are used as slot insulation, phase insulation, and Epoxy-resin impregnated DMD for dry-type transformer liner insulation and layer-pressure insulation of class F dry type transformer.
Storage
Epoxy-resin impregnated DMD for dry-type transformer should be put into carton after sealed with plastic pocket, of which the weight is no less than 60kg. Epoxy-resin impregnated DMD for dry-type transformer storage under the dry, well-ventilated, room temperature. Epoxy-resin impregnated DMD for dry-type transformer should be care of fire-proof, moisture-proof, compression-proof and sun-proof and sun-proof. it can storage more than 6 months.
Curing Conditions
| Temperature ( ℃) | 130 | 140 | 150 |
| Times(hrs) | 5 | 4 | 3 |
Technical Criteria
| NO. | Items | Unit | Index | ||||||||||||||||||
| 1 | Nominal Thickness | mm | 0.15 | 0.18 | 0.20 | 0.23 | 0.25 | 0.30 | 0.35 | 0.40 | 0.45 | ||||||||||
| 2 | Thickness Tolerance | mm | ±0.020 | ±0.025 | ±0.030 | ±0.030 | ±0.030 | ±0.030 | ±0.035 | ±0.040 | ±0.045 | ||||||||||
| 3 | Nominal Gram and Tolerance | g/square meter | 170 | 210 | 230 | 240 | 260 | 300 | 360 | 440 | 490 | ||||||||||
| ±25 | ±30 | ±35 | ±30 | ±40 | ±45 | ±50 | ±55 | ±60 | |||||||||||||
| 4 | Film Nominal Thickness | mm | 0.05 | 0.05 | 0.05 | 0.10 | 0.10 | 0.15 | 0.188 | 0.25 | 0.25 | ||||||||||
| 5 | DMD Nominal Thickness | mm | 0.10 | 0.14 | 0.15 | 0.18 | 0.20 | 0.25 | 0.30 | 0.35 | 0.40 | ||||||||||
| 6 | Tensile Strength (MD) | n/cm | ≥70 | ≥80 | ≥100 | ||||||||||||||||
| 7 | Resin Content | % | 35±5 | 30±5 | 25±5 | 20±5 | |||||||||||||||
| 8 | Volatile Content | % | ≤1.5 | ||||||||||||||||||
| 9 | Dissolvable Resin Content | % | ≥85 | ||||||||||||||||||
| 10 | Dielectric Strength | MV/m | ≥40 | ||||||||||||||||||
| 11 | Breakdown Voltage(min) | kV | 7 | 7 | 7 | 10 | 10 | 13 | 15 | 18 | 18 | ||||||||||
| 12 | Tensile And Sheared Strength | mpa | ≥3.0 | ||||||||||||||||||
| 13 | Heat Shrinkable | TD | % | ≤1.0 | Special requirements will be negotiated by both sides | ||||||||||||||||
| MD | ≤2.0 | ||||||||||||||||||||
| 14 15 | Appearance | Flexible, smooth, no delaminating, machinery damage, impurity, crack, blister and adhesive phenomenon | |||||||||||||||||||
| 16 | Supplied Size | Supplied with reel, inner diameter is 76mm, the width is from 15mm to 1100mm, can be cut to tape | |||||||||||||||||||
| 17 | Color | Red , burnt almond, white | |||||||||||||||||||
| 18 | Index of Long Time High Temperature Resistance(TI) | ℃ | ≥155 | ||||||||||||||||||
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