S857 monocomponent solder joint high temperature curing adhesive sealant for powder coating machine
S857 is also well suited for sealing applications on E-coated metals before subsequent paint processes (including powder coating processes).
S857 is designed as an adhesive/sealant. As an adhesive, it is usually used in combination with spot welding, riveting, clinching, and other mechanical fastening techniques to fix the parts until the curing process is completed. Bonding of oily substrates is possible up to an oil amount of 3 g/m2.
This product is suitable for professional experienced users only.
Tests with actual substrates and conditions have to be performed to ensure adhesion and material compatibility.
S857 is a one-component solvent-free heat-curing sealant based on PVC/ Acylate.
S857 is cured by heat Curing depends both on temperature and elapsed time.
The most suitable heat sources are convection ovens.
The minimum heating temperature is 175°C (347°F), while
the maximum temperature must not exceed 230°C (446°F). It is
mandatory to perform tests with original parts to ensure proper
curing and function of the bonded part under original conditions
For further information contact the Technical Service Department of SEPNA Industry.
Samples: Express ( FedEx, DHL, TNT, UPS, etc.)
Cargo: By Sea ( FCL / LCL), By Air, By Railway, By truck, etc.
This is construction machinery.
High-temperature resistance of
(180-230°C/356-446ºF),
no aging and discoloration
Suitable for powder-coating processes
Adheres well to most E-coated substrates and oily metal substrates.
Good tooling properties
Spot welding is still possible
Does not contain solvents or PVC
S857 is often used by paint and powder companies when preparing aluminium panels for automotive, construction and manufacturing industries in general. Panels can be bonded together with this adhesive more quickly than using traditional methods. Stainless steel stiffeners can be confidently bonded to panels prior to paint cycles within the cladding and commercial facade industry.
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1. Used for clean metal or electro coat before powder coat.
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2. For bonding clean the steel plate.
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3. For bonding clean electrophoresis plates.
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4. For sealing welds in the body.
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5. For sealing welds outside the body.
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6. It is used for sealing, waterproofing, dustproofing, and anti-corrosion of the vehicle body.
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| Items |
Standard |
Specification |
Typical value |
| Appearance |
Visual |
White, homogeneous paste |
White |
| Sagging |
GB/T 13477 |
<1 |
0 |
| Density /g/cm3 |
GB/T 13477 |
1.50±0.1 |
1.45 |
| Solid content / % |
GB/T 2793 |
>98 |
99 |
| Extrusion rate / g/10s |
25ºC,Φ0.2mm,0.35MPa |
40±10 |
35 |
| Curing speed/min |
200ºC |
<60 |
30 |
| Hardness /Shore D |
200ºC * 30min |
20±5 |
22 |
| Tensile strength /Mpa |
GB/T 528 |
≥1.5
|
2.0 |
| Elongation at break % |
GB/T 528 |
≥100
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110 |
| Adhesion to E-coat and bare steel |
80ºC*30min |
Excellent |
Excellent |
| Heat resistance |
80ºC*60min |
Excellent |
Excellent |
| Application Temperature |
ºC |
15ºC-+35ºC |
-- |
| Shelf life |
Month |
9 |
-- |
Note: The above data are tested under specific conditions All technical data stated in this Product Data Sheet are based on laboratory tests only. Actual measured data may vary due to circumstances beyond our control.
Cure Mechanism
S857 is cured by heat. Curing depends both on temperature and elapsed time. The most suitable heat sources are convection ovens. The minimum heating temperature is 180°C (356°F), while the maximum temperature must not exceed 230°C (446°F). It is mandatory to perform tests with original parts to ensure proper curing and function of the bonded part under original conditions. For further information contact the Technical Service Department of SEPNA Industry.
Method of Application
To obtain the best strength, the following curing conditions should be followed: >175ºC(347°F)*30 min. Different curing conditions will lead to changes in shear strength.
Unpacks: S857 can be applied with electric or pneumatic-driven piston-operated guns. Drums: Dispensing from drums requires the use of standard hydraulic or pneumatic drive pumping equipment. For advice on selecting and setting up a suitable pump system, contact the System Engineering Department of the SEPNA Industry.
310ml/Tube 25KG/Bucket 230kg/ IBC
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!
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.
| Our customers and Exhibition |
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.
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