Two-Part Polyurethane Potting Compound Suitable for Filling Excellent Bonding on Metal and Plastic Substrates.

Product Description

Our products

SP291 is a two-component polyurethane potting compound, the A component contains hydroxyl groups, and the B component is based on isocyanate.

After A and B are mixed, they will form an elastomer after curing, and the volume will not change significantly.


Solvent-free environment-friendly and transparent two-component polyurethane electronic potting adhesive



 
  

Special features

 

 
 

1. Low hardness, good elasticity, excellent earthquake resistance.

2. Good sealing, waterproof and shockproof effect.

3. Excellent electrical insulation, flame retardant grade UL94 V-0, peelable and easy to repair.

4.The product can be cured between 15-65 degrees without bubbles

 

Typical Applications

 

 

 

1.Electronic circuit board (PCB).

2. Electronic and electrical controller

3. IGBT potting, new energy vehicle electrical controller potting, etc.

4. Used in communication equipment, transformers, control power supplies, ignition controllers, electronic sensors, etc.

5. It can be used for filling, coating, casting, metal and plastic bonding well.

6. Suitable for charging pile potting.

 

Technical Data Sheet

 
 

PROPERTY	STANDARD	VALUE-SP291
Component	--	Part A	Part B
Appearance	Visual	Black liquid	Light yellow transparent liquid
Viscosity / mPa.s	GB/T 10247-2008	20000-30000	3000-6000
Viscosity after mixing / mPa.s	GB/T 10247-2008	10000-20000
Density / g/cm^3	GB/T 15223-1994	1.40±0.05	1.40±0.05
Data details after mixing
Mixture ratio	Mass ratio	A:B=100:100
Operating time after mixing	GB/T 10247-2008	15-30 min
Gel time  25ºC/50%	GB/T 10247-2008	60min(Time adjustable)
Hardness / Shore D	GB/T 521-2008	30-40
Tensile strength MPa	GB/T 528-2009	>8
Elongation at break /%	GB/T 528-2009	>100
Shear strength /MPa	GB/T 528-2009	> AI-AI
Flame retardant grade /UL94	ANSI/UL-94-1985	V-0
Thermal conductivity / w/m.k	GB/T 10297-1998	0.70
Dielectric constant 50Hz,25ºC	GB/T 1693-2007	3.35
Loss coefficient 50Hz,25ºC	GB/T 1693-2007	0.02
Volume resistivity /Ω.cm	GB/T 1692-92	>10^14
Water absorption rate 24H,25ºC,%	GB/T 8810-2005	< 0.15
Glass transition temperature  Tg(ºC)	GBT 11998-1989	10
Expansion coefficient um/m · ºC	GBT 20673-2006	140
Operating temperature range	GB/T 20028-2005	-40ºC-125ºC

 

DIRECTIONS FOR USE

 

 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: Sealed and stored in a dry, cool, dark, and well-ventilated place. It is recommended to operate in an environment with a temperature of 5-25 ºC and a humidity of ≤ 50% RH. .

Transportation:   moisture-proof, rainproof, sunproof, high-temperature roof, keep away p from heat sources, handle with care, and do not squeeze or collide

 

Company Profile

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 an advanced MES automatic quality control system and a 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 being "customer-centric, take technology as the blood, and focus on high-quality", adheres to the development concept of "DEVELOP DEPEND ON THE TECHNICAL INNOVATION, LIVE DEPEND ON THE QUALITY,"; Focus on providing customers with more accurate and safe products with "bonding, sealing and protection" functions.

SEPNA product lines, from flexible sealing, and fixed bonding to the development of multiple curing forms products, can fully match the production and manufacturing processes of different customers, and SEPNA can provide all customers with more options, higher efficiency, and better quality product solutions, as well as omnidirectional customized services and support.

 

SEPNA closely connects customers/suppliers/employees/partners with the mission of "Zero SL Bonds Us Together! ". And continues to promote technology and product innovation, 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 provide more valuable products and service solutions for the high-end and high-end manufacturing industry!

 

 

Why Choose Us

1. Outstanding manufacturers and powerful factories.

2. OEM / ODM AVAILABLE (Professional design team providing package design solutions for OEM / ODM customers free of charge.
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 

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.