EVA Psa Hot Melt Glue Reactor | RFQ Sourcing Details
Bakery And Snack Machinery · Quote on request
This is a product procurement detail page: check specs, images, category context and related sourcing paths before sending an RFQ.
Product specs
Buyer's Digest
Use this page as a product-first sourcing checkpoint before sending an RFQ. Category: Bakery And Snack Machinery. Confirm application fit, capacity, materials, destination, lead time and compliance requirements before comparing suppliers.
Original product description
white PVA glue Process Flow 1. Dissolution: Fully dissolve the polyvinyl alcohol (PVA) powder in deionized water and filter it 2.
Mixing: Add the polyvinyl alcohol glue to a stainless steel reaction kettle (a porcelain-lined kettle can also be used, but it has inferior heat transfer properties compared to stainless steel), then add emulsifier OP-10 and start the mixer to ensure uniform mixing. 3.
Addition of Monomer and Initiator: Add 15% of the total amount of vinyl acetate monomer (i.e., 6.9) and 40% of the formula amount of potassium persulfate (i.e., 0.036) into the stainless steel reaction kettle, continue stirring, and start heating. Stop heating when the temperature reaches 60-65°C.
Note that the initiator potassium persulfate should first be diluted with pure water to form an 8%-10% aqueous solution, added in several batches. 4. Temperature Control: Under the action of the initiator, although heating is stopped, the temperature will rise naturally.
When the temperature exceeds 65°C, the reflux device of the reaction kettle will begin to reflux. As the temperature rises above 80°C, the reflux will gradually weaken.
At this point, start adding the vinyl acetate monomer dropwise from the kettle's dropping funnel, controlling the addition rate to about 10% of the total hourly addition (about 4.6).
Closely monitor the reaction temperature, and add cooling water to the jacket of the reaction kettle to maintain the temperature below 80°C. 5. Adding Initiator: During the addition of the vinyl acetate monomer, also add the initiator at a rate of about 4.5% of the formula amount per hour. 6.
Completion of Monomer and Initiator Addition: Both the vinyl acetate and the initiator should be controlled to be completed in about 8 hours. Due to the action of the initiator, the reaction will be vigorous, and when the temperature rises to about 93°C, maintain this temperature for 30 minutes.
The polymerization reaction will be nearly complete. 7. Cooling: Turn on the cooling water to lower the temperature inside the stainless steel reaction kettle.
When the temperature drops below 50°C, add the sodium bicarbonate aqueous solution (10% concentration, pre-dissolved) and dibutyl phthalate, adjusting the pH to 6-7. 8. Continuous Mixing: The mixer in the stainless steel reaction kettle should not stop.
When the temperature cools to room temperature, the white latex product
EVA | Applications and Buyer Notes
EVA is organized as a sourcing-ready Bakery And Snack Machinery reference. The page combines visible product or company data with structured procurement cues so buyers can compare application fit, specifications, quantity, quality requirements and lead-time qu
Applications
- Initial shortlist building for related product or supplier options.
- Specification and application fit review before bulk purchasing.
- Category, keyword and detail-page comparison before sending an RFQ.
Key specifications
- 1
- Unit, setBased on visible page data; confirm exact value in the RFQ.
- 2
- Type, Reaction KettleBased on visible page data; confirm exact value in the RFQ.
- 3
- Material, Stainless Steel Capacity: >1000L Pressure: NegativeBased on visible page data; confirm exact value in the RFQ.
- 4
- Warranty, One YearBased on visible page data; confirm exact value in the RFQ.
- 5
- After-sales Service, ProvideBased on visible page data; confirm exact value in the RFQ.
- 6
- Category, Bakery And Snack MachineryBased on visible page data; confirm exact value in the RFQ.
Buyer tips
- State quantity range and split-delivery needs before price comparison.
- Add certification, material or inspection standards when they affect acceptance.
- For time-sensitive projects, include target arrival date and destination.
- For special applications, describe operating condition, installation environment and duty cycle.
FAQ
What should buyers confirm first?
Confirm application, specification, quantity, destination and lead-time requirements before comparing offers.
Can buyers inquire when specs are incomplete?
Yes. Add model, material, size, use case and inspection needs in the RFQ to make replies comparable.
How should this listing be evaluated?
Check title, category, specifications and related keywords against the actual sourcing requirement.
Source mix: ugc
Key specifications
Product sourcing keywords
These terms come from the title, visible copy and specifications, and link into matching aggregate pages.
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Supplier profile
FOSHAN TGM MACHINE CO., LTD focuses on checkweighers for food processing machines, bakery, beverage, meat, vegetable, and production lines sourcing and rfq-ready export supply platform