Basic Info.
Application
Motor, High Temperature Insulation
Maximum Voltage
20KV~100KV
Chemistry
Hybrid Insulation
Classification
Hybrid Insulation Materials
Certification
ISO9001, ISO14001, Ohsas18001, ISO10012, Cnas
Product Description
D333 Polyimide Glass Cloth Laminated Sheet consists of woven glass cloth impregnated and bonded with a polyimide thermosetting resin, laminated under high temperature and pressure. The woven glass cloth shall be alkali-free and treated by KH560.
D333 possesses high heat resistance, excellent physical properties and mechanical strength, and radiation-proof property. It is intended for C-class (200ºC) electrical motors or electrical equipments as insulating structural components or parts. It is applicable for the electrical motors or equipments requiring higher mechanical property under thermal state.
1 Performance Requirements for Sheets
1.1 Appearance
The surface of sheet shall be flat and smooth, free of air bubbles, wrinkles or cracks and reasonably free of other small imperfections such as scratches, dents etc. The edges of sheet shall be tidy and be free of delaminations and cracks. The color shall be substantially uniform, but a few stains are permissible.
1.2 Dimension and allowed deviation
1.2.1 Length and Width of Sheets (see Table 1)
| | Table 1 | | | mm |
Width x Length, | mm | | | Deviation |
980 x 1980 | | | | +/-25 |
1220 x 2440 | | | |
| | | | |
1.2.2 Thickness and allowed deviation of Sheets (see Table 2) | | | |
| | Table 2 | | | mm |
Nominal thickness | | Deviation | | Nominal thickness | | Deviation |
0.5 | | +/-0.12 | | 10 | | +/-0.80 |
0.8 | | +/-0.12 | | 12 | | +/-0.90 |
1.0 | | +/-0.15 | | 14 | | +/-1.00 |
1.2 | | +/-0.18 | | 16 | | +/-1.10 |
1.5 | | +/-0.22 | | 20 | | +/-1.30 |
2.0 | | +/-0.25 | | 25 | | +/-1.40 |
2.5 | | +/-0.30 | | 30 | | +/-1.50 |
3.0 | | +/-0.35 | | 35 | | +/-1.70 |
4.0 | | +/-0.40 | | 40 | | +/-1.90 |
5.0 | | +/-0.50 | | 45 | | +/-2.10 |
6.0 | | +/-0.60 | | 50 | | +/-2.30 |
8.0 | | +/-0.70 | | | | |
Note: For sheets of nominal thickness not listed in this table, the deviation shall be the same as to the next greater thickness
1.3 Bending Deflection for Sheets (see Table 3) | | |
| Table 3 | mm |
Thickness, mm | Bending Deflection |
| |
1000mm(Ruler length) | 500mm(Ruler length) |
|
3.0~6.0 | ≤10 | ≤2.5 |
>6.0~8.0 | ≤8 | ≤2.0 |
>8.0 | ≤6 | ≤1.5 |
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1.4 Physical, mechanical and dielectric properties (see Table 4)
Table 4
No. | Properties | Units | Standard Values | Typical Values |
| | | | | | |
1 | Flexural Strength, | | At room temp | MPa | ≥400 | 669 |
perpendicular to laminations | | At 180ºC+/-5ºC | ≥280 | 490 |
| | |
2 | Impact strength, Charpy, notch,lateral | KJ/m2 | ≥50 | 70 |
3 | Voltage endurance, perpendicular to laminations, | KV | 26 | passed |
in transformer oil, at 90+/-2ºC, 1min,2mm sheet |
| | | |
4 | Voltage endurance, parallel to laminations, | KV | ≥35 | passed |
in transformer oil, at 90+/-2ºC,1min |
| | | |
5 | Insulation resistance, parallel to laminations, | Ω | ≥1.0x108 | 6.5x109 |
after immersion | | |
| | | | | |
6 | Dielectric dissipation factor | 1MHz, after immersion | - | ≤0.03 | 0.009 |
7 | Relative permittivity, | 1MHz, after immersion | - | ≤5.5 | 4.6 |
| | | | | | |
8 | Water absorption, 2mm sheet | | | Mg | ≤32 | 26 |
9 | Flammability | | | grade | BH2 | passed |
10 | Temperature Index (TI) | | | - | ≥200 | 195 |
| | | | | | |
2 Referee Test Methods
2.1 Appearance: By visual observation.
2.2 Mechanical Machining: Machining of sheets shall comply with JB/Z 141-1979.
2.3 Voltage endurance
Keep the specimen in transformer oil for 0.5~1.0h before the voltage is imposed, the oil temperature shall be 90ºC +/-2ºC. Adopt board to board pole for the withstand voltage endurance (parallel to laminations).
2.4 Insulation resistance
Treat the specimen in the oven at 50ºC+/-2ºC for 24h, take it out and submerge it into distilled water at 23ºC+/-2ºC for 24h after cooling to room temperature. And then wipe the surface of the specimen with clean cloth or filter paper. The specimen should be tested within 2 minutes at 25ºC+/-10ºC and the relative humidity is no more than 75%. In every direction, take two specimens to get their average values, choose the group with lower values as the final result.
2.5 Dissipation factor and Relative Permittivity
Treat the specimen in distilled water for 24h, take it out and wipe the surface of specimen with clean cloth or filter paper. The specimen should be tested within 20 minutes when it is taken out, and take two specimens to get their average values as final result
2.6 Flammability: Shall comply with GB/T11020-2005 (IEC60707: 1999)
2.7 The Long-term thermal endurance
Shall comply with GB/T11026.1-2003 (IEC 60216-1: 2001). This clause is an appraisal item. 2.8 Others shall comply with GB/T5130-1997 (IEC60893-2: 1992)
3 Inspection, Mark, Packing, Transportation and Storage
3.1 The inspection items for Routine Test shall include Clause 1.1, 1.2, 1.3 and Item 1 & 3 of Table 4. The items in Clause 1.1, 1.2, 1.3 should be checked one by one.
3.2 The sheets shall be stored in a place where temperature is no higher than 40ºC, and be placed horizontally on a bedplate with a height 50mm or above. Keep away from fire, heat (heating apparatus) and direct sunshine. The storage life of sheets is 18 months from the date of leaving factory. If the storage duration is over 18 months, the product also could be used after being tested to be qualified.
3.3 Others shall accord with the stipulations of GB/T1305-1985.
4 Remarks and Precautions for Handling and Use
4.1 Machining shall comply with JB/Z141-1979 because the sheets have inherent difference in attribute from metal.
2
4.2 A high speed and small depth of cutting shall be applied when machining because of sheets¡ weak thermal conductivity.
4.3 Machining and cutting this product will release much dust and smoke. Suitable measures should be taken to ensure dust levels are within acceptable limits during operations. Local exhaust ventilation and use of suitable dust/particle masks is advised.
Address:
188 Sanxing Road, Mianyang, Sichuan, China
Business Type:
Manufacturer/Factory
Business Range:
Auto, Motorcycle Parts & Accessories, Chemicals, Consumer Electronics, Electrical & Electronics, Health & Medicine, Industrial Equipment & Components, Lights & Lighting, Security & Protection, Textile, Transportation
Management System Certification:
ISO 9001, ISO 14001, OHSAS/ OHSMS 18001, ISO 10012
Company Introduction:
Sichuan Dongfang Insulating Material Co., Ltd. ( Dongfang for short ) is the key subsidiary company of Sichuan EM Technology Co., Ltd. ( EMT for short ). EMT is a public company which specializes in R&D, manufacturing and selling chemical new materials. It devotes itself in providing safe and environment-friendly new material solution to create a better life for society.
EMT headquarter, which owns 9 subsidiaries, locates in Sichuan Mianyang City, Sichuan Province. The company sticks to the developing principle of "Technology Supports Enterprise, Hard Work Promotes Industry". By relying on National Insulation Material Engineering Center, National Technology Center and Post-Doctoral Research Center as well as depending a high-quality R&D team which consists of doctors and masters, EMT sticks to the self-development road and prioritizes in developing insulation film, optical film, new insulation material products, environment-friendly FR material and fine chemicals under product brands of Dongfang and EMT. The company can provide service for various industries including new energy, smart power grids, consumer electronics, panel display, electrical engineering and electric apparatus and military projects. With excellent performance and good reputation, EMT exports to over 40 countries and regions and has established long-term stable cooperation with many worldwide famous enterprises.
By sticking to the development road of systematic innovation, relevance technology, diversified products and professional service, EMT is on the way of becoming a global supplier in new material industry.