SP271 is a solvent-free two-component polyurethane potting material. The resin part (component A) contains hydroxyl groups, and the curing agent (component B) is based on isocyanate. Part A and Part B are mixed and cured to form a hard elasticity. substance, there is no significant change in volume.
Key Features:
- Low viscosity, easy to operate;
- High thermal conductivity, flame retardant grade UL94-V0.
Typical Applications:
- Potting of charging piles and potting of small and medium-sized electronic components;
- Communication equipment, photovoltaic large capacitors, transformers, control power supplies, ignition controllers, electronic sensors, etc.;
- Potting between the cells of the battery PACK.
Packing and Storage:
Shelf life:
6 months in unopened packaging in a cool and dry storage place at temperatures between 8ºC to 28ºC.
Package specification:
Bucket: 5 gallon bucket;
Drum: 55 gallon/drum
| Specification of Part-A (resin) |
| Items |
Standard |
Specification |
Typical value |
| Colour |
Visual |
White |
White |
| Viscosity (mPa.s) |
GB/T 2794 |
5000 ± 1000 |
5200 |
| Density (g/cm3) |
GB/T 13354 |
2.00 ± 0.10 |
2.00 |
| Specification of Part-B (hardener) |
| Items |
Standard |
Specification |
Typical value |
| Colour |
Visual |
Black |
Black |
| Viscosity (mPa.s) |
GB/T 2794 |
5000 ± 1000 |
5000 |
| Density (g/cm3) |
GB/T 13354 |
1.10 ± 0.10 |
1.10 |
| Specification after being mixed |
| Items |
Standard |
Specification |
Typical value |
| Mixing ratio |
By weight |
A:B=1:1 |
A:B=1:1 |
| Colour |
Visual |
Black |
Black |
| Viscosity (mPa.s) |
GB/T 2794 |
5000 ± 1000 |
5100 |
| Density (g/cm3) |
GB/T 13354 |
2.00 ± 0.10 |
2.00 |
| Skin formation time (min) |
/ |
> 90 |
120 |
| Curing time (25 ºC/H) |
/ |
24 |
24 |
SEPNA focuses on the R&D and production of advanced new materials. Headquartered in Shanghai, the factory is located in Qidong High-tech Zone, Jiangsu Province. It is a modern technology factory with an area of 20000 square meters.
SEPNA factory uses advanced MES automatic quality control system and full-process ERP management system for strict quality control. SEPNA factory and products have passed many international system certifications. Such as ISO9001-2015, SGS, 16949 and other certificates.
SEPNA adheres to the values of "customer-centric, take technology as the blood, and focus on high-quality", adhere to the development concept of "DEVELOP DEPEND ON THE TECHNICAL INNOVATION, LIVE DEPEND ON THE QUALI- TY,"; Focus on providing customers with more accurate and safe products with "bonding, sealing and protection" functions.
SEPNA product lines, from flexible sealing, fixed bonding to the development of multiple curing forms products, can fully match the production and manufacturing processes of differ- ent customers, and SEPNA can provide all customers with more options, higher efficiency and better quality product solutions, as well as omni-directional customized services and support.
SEPNA closely connects customers/suppliers/employ- ees/partners with the mission of "Zero-SL Bonds Us Together! ". And continues to promote technology and product innova- tion, service innovation, and talent innovation, better combine the value of products, services, and talents to make products more perfect, make industrial manufacturing more efficient, and to provide more valuable products and service solutions for the high-end and high-end manufacturing industry!
All product properties and application details based on information believe to be reliable and accurate. But you still need to test its property and safety before application. The advices we supply don't apply in any circumstances. SEPNA don't make assurance of any other applications outside the specification until SEPNA supply a special written guarantee. SEPNA is only responsible to replace or refund if this product is defective within the warranty period stated above. SEPNA makes it clear that will not be liable of any accidents.
If you meet any problem about products,you can feel free to contact us.
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