Our products |



SP299 Two-part polyurethane electronic potting adhesive resin with transparent color for new energy vehicle electrical controller potting
It has the characteristics of low hardness, good elasticity, excellent waterproof performance, and insulation performance.

SP295
Mixture ratio: AB=100:100 (Mass ratio)
Thermal conductivity 0.69W/m.k

Special features |

2. Good sealing, waterproof, and shockproof effect;
3. Excellent electrical insulation, peelable and easy to repair;
Typical Applications |



2. Electronic and electrical controller;

Technical Data Sheet |
Specification of Part-A (resin) | ||||||
Items | Standard | Specification | Typical value | |||
Color | Visual | Light yellow transparent | Light yellow transparent | |||
Viscosity (mPa.s) | GB/T 2794 | 700±150 | 720 | |||
Density (g/cm3) | GB/T 13354 | 0.97 ± 0.1 | 0.97 | |||
Specification of Part-B (hardener) | ||||||
Items | Standard | Specification | Typical value | |||
Color | Visual | Light yellow transparent | Light yellow transparent | |||
Viscosity (mPa.s) | GB/T 2794 | 500±150 | 370 | |||
Density (g/cm3) | GB/T 13354 | 1.1 ± 0.1 | 1.09 | |||
Specification after mixture | ||||||
Items | Standard | Specification | Typical value | |||
Mixing ratio | Volume ratio | A: B=100:100 | 100:100 | |||
Color | Visual | Light yellow transparent | Light yellow transparent | |||
Viscosity (mPa.s) | GB/T 2794 | 600±150 | 550 | |||
Density (g/cm3) | GB/T 13354 | 1.1 ± 0.1 | 1.03 | |||
Pot life (min) | / | 30± 10 | 30 | |||
Curing speed 25ºC/H | -- | Full time | 24 |
Specification after cured | |||
Items | Standard | Specification | Typical value |
Solid content % | GB/T 2793 | ≥98 | 99 |
Hardness (Shore A) | GB/T 531.1 | 55± 5 | 50 |
Tensile shear strength (MPa) | GB/T 528 | ≥0.4 | 0.65 |
Elongation at break (%) | GB/T 528 | ≥70 | 100 |
Dielectric Strength 25ºC,kV/mm | GB/T 1695 | ≥15 | 18 |
Dielectric constant 50Hz,25ºC | GB/T 1693 | >0.3 | 4.5 |
Volume resistivity (Ω·cm) | ASTM D 257 | ≥ 1011 | 3.5×1011 |
Thermally conductivity (W/m.k) | ASTM D 5470 | >0.6 | 0.69 |
Flame retardant (UL-94) | ANSI/UL-94 | V-0 | V-0 |
Water absorption rate 24H,25ºC, % | GB/T 8810 | <0.3 | 0.13 |
Service temperature (ºC) | / | -60 ~ +120 | / |
Note: The above typical values were all detected at 25 ºC; |
DIRECTIONS FOR USE |

Manual mixing process (230g mixing volume)
After using
After using
The operating container will be cleaned before use. Mixing the main agent and stiffening agent, With the different kinds of stiffening agents and quantity. The process should be completed as soon as possible.

PACKING AND STORAGE |
Package specification: PART A: 15KG per bucket PART B: 15KG per bucket | Storage: Shelf life: 6 months in unopened packaging in a cool and dry storage place at temperatures between +8ºC to + 28ºC. | Transportation: Moisture-proof, rainproof, sunproof, high-temperature roof, keep away from heat sources, handle with care, and do not squeeze or collide. |


Company Profile |
SEPNA is committed to the research, development, and production of advanced new materials. The products are centered around MS polymer, epoxy resins, polyurethane, the formation of new energy, high-end assembly, and electronic adhesives three major series of products.

Focus on the core business, focusing on providing customers with more suitable and more secure "bonding, sealing, protection" new materials.

Our factory adopts an ERP automated quality control system, and a full-process ERP management system, and has passed IATF16949, ISO 9001, ISO14001, and ISO45001 system certifications.

Why Choose Us |
1. Outstanding manufacturers and powerful factories.
3. Free Samples.
4. Imported Raw Materials and Test Equipment.


5. Strict quality control (We have passed GB/T 19001-2016, IS09001:2015, and IATF 16949:2016 quality system authentication, and we can provide ROHS/SGS/ MSDS certification of products).
6. Deliver in 7-15 Days after payment.
7. Excellent QC Team and R&D Team.

8. Provide professional application technology solutions.
9. Complete the after-sales service system.
10. Partners with Top 500 Global Companies.
Sepna's products have been widely used in the international market, mainly in North America, South America, Asia, Southeast Asia the Middle East, Oceania, etc.
Until now, she has serviced nearly 1000 enterprises all over the world.


Our customers and Exhibition |

Certification |

About Transportation |
Samples: Express ( FedEx, DHL, TNT, UPS, etc.)
Cargo: By Sea ( FCL / LCL), By Air, By Railway, By truck, etc.

FAQ: |
Q1. How to get an accurate quotation from us?
A1. Please provide your requirements, product specifications, quantity, and trade terms.
Q2. Can you provide OEM service?
A2.Yes.Private labeling service is available
Q3. How to be SEPNA's distributor?
A3.As the growing of Sepna's global business, we need to find more and more distributors and agents
worldwide. SEPNA will provide the best solution and service for our partners.
For more information, pls contact our salesperson or call us:+86-400-882-1323
Q4. Can I get a sample?
A4. Yes. We offer free samples
Q5. What is your product's shelf life?
A5.9 months when stored in cool dry and well-ventilated areas under 25ºC.
Click here to get the best price.