Thermal Bonding of PU and Metal Adhesive Sealant Epoxy Adhesives for Transformer

• Customization: Available
• CAS No.: 9009-54-5
• Formula: CH3h8n2o
• Model NO.: SP297
• Bonding Function: Sealing and Potting
• Application: Automobile, Construction, Woodworking, Electronics
• Material: Polyurethane
• Classification: Two-Component
• Main Agent Composition: Polyurethane Elastomer
• Characteristic: Waterproof
• Promoter Composition: No
• Composition: PU
• Color: Black
• Type: Two-Component
• Main Raw Material: Polyurethane Adhesive
• Advantage: High Bond Strength and Sealing
• Usage: Structural Bonding of New Energy Batteries
• OEM/ODM: Free OEM&ODM Service
• Mixture Ratio: a:B=100:15
• UL94: V-0
• Hardness/Shore a: 80
• Tensile Strength/MPa: >4
• Elongation at Break/%: 60
• CTI/Value: More Than 600
• Dielectric Strength/Kv / mm: > 20
• Dielectric Constant: 4.64
• Transport Package: Air, Sea, Road and Railway.
• Specification: 15KG
• Trademark: SEPNA
• Origin: China
• HS Code: 35069900
• Production Capacity: 1000000000

Product Description

Our products

Thermal Bonding of PU and Metal Adhesive sealant Epoxy Adhesives for Transformer




SP297 is a solvent-free, high-performance two-component polyurethane potting adhesive. The resin part (PART A) contains hydroxyl. The curing agent (PART B) is based on isocyanate. After mixing A and B, it is cured to form an elastomer, and the volume does not change significantly.

It can be cured between 15-65 degrees without bubbles, with high volume resistivity and flame retardant grade of UL94 V-0

 
  

Special features

 

 

 

Typical Applications

1. Filling coating casting, metal, and plastic bonding well.

2. Casting of communication supplies, transformers, and electrical and electronic equipment.

3. Filling and sealing of charging pile.

 

Technical Data Sheet

 
 

PROPERTY	STANDARD	VALUE-SP297
Component	--	Part A	Part B
Appearance	Visual	Black liquid	Dark brown liquid
Viscosity/mPa.s	GB/T10247-2008	7500±1500	200±50
Density      g/cm^3	GB/T13354-92	1.5±0.05	1.2±0.05
Data details after mixing
Mixture ratio	Mass ratio	A: B=100:15
After Mixing Viscositym /Pa.s	GB/T10247-2008	2000±500
Solid content/%	GB-T2793-1995	>99
Operation time after mixing	GB/T10247-2008	25±5 min
Tack free time/Min 25ºC/50%	GB/T10247-2008	40
Curing speed	GB/T10247-2008	60g (plastic cup) /65 ºC 30min
Hardness/Shore A	GB/T531.1-2008	80±5
Tensile strength/Mpa	GB/T528-2009	>4
Elongation at break/%	GB/T528-2009	60
Flame retardant grade/UL94	ANSI/UL-94-1985	V-0
Thermal conductivity /W/m.k	GB/T10297-1998	0.64
CTI/value	GB/T4207-2012	≥600
Dielectric strength/kV / mm	GB/T1693-2007	> 20
Dielectric constant	GB/T1693-2007-	4.64
Dielectric loss coefficient /100kHz	GB/T1693-2007	0.1
Volume resistivity/Ω • cm	GB/T1692-92	3.7×10^15
Water absorption /24h, 25 ºC,%	GB/T8810-2005	24h/23ºC   0.12%      10d/23ºC   0.21%     0.5h/100ºC 0.09%
Application temperature / ºC	GB/T20028-2005	-50-150ºC

 

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:25KG per bucket PART B:3.75KG 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 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 or call us:[phone]

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.