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- Saturated Polyester, Polymer Materials Category
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High-Performance Coatings, Inks & Metal Sheet Coatings from China Suppliers | Reliable Factory Solutions
| NO. | Product Model | Applications | Suitable Equipment | Performance | |||
|---|---|---|---|---|---|---|---|
| Dry Type | Flexo | Solvent-Free | Coating Machine | ||||
| 15 | AS 8550 / AS 8575H | Coatings, inks, metal sheet coating fields | ✓ | — | — | — | High molecular weight polyester material, resistant to high and low temperatures, with excellent adhesion to metal sheets, glass and various films. |
| SR 39-16 | — | — | — | ✓ | |||
| HR 2564 | — | — | — | ✓ | |||
| CR 21-12 | — | — | — | ✓ | |||
Product Performance Advantages
| NO. | Product Model | Performance Advantages |
|---|---|---|
| 1 | AS 8550 / AS 8575H |
|
| 2 | SR 39-16 |
|
| 3 | HR 2564 |
|
| 4 | CR 21-12 |
|
Frequently Asked Questions (FAQ)
Q1
What are the main application fields of the AS 8550 / AS 8575H polyester resin?
AS 8550 / AS 8575H is primarily designed for high-end electronic Mylar products. It offers high initial tack, high peel strength, and high tensile elongation, making it ideal for bonding PET/AL, CU, and other material combinations in coatings, inks, and metal sheet coating fields.
Q2
What type of equipment is compatible with SR 39-16, HR 2564, and CR 21-12?
SR 39-16, HR 2564, and CR 21-12 are all compatible with Coating Machines. They are not designed for use with Dry Type laminators, Flexo printing equipment, or Solvent-Free laminating machines.
Q3
What is the difference between SR 39-16 (soft resin) and HR 2564 (hard resin)?
SR 39-16 is a soft resin with high molecular weight and low glass transition temperature (Tg), providing excellent flexibility and adhesion between metal and PET substrates. HR 2564, by contrast, is a hard resin with high molecular weight and high Tg, offering superior rigidity and excellent adhesion to metal sheets such as stainless steel, making it suitable for self-drying primer coatings.
Q4
What makes CR 21-12 suitable for heat-seal primer coatings?
CR 21-12 is a semicrystalline resin with high molecular weight and low Tg. Its low Tg ensures no blocking during storage or processing, while its strong adhesion and encapsulation properties make it highly effective as a self-drying heat-seal primer coating for various metal sheets, metal films, and metal wires.
Q5
Which product is recommended for mica decorations and reflective adhesive applications?
SR 39-16 is specifically recommended for mica decorations and high-adhesion reflective adhesive fields. It also finds wide application in inks, coil coatings, and adhesives, thanks to its excellent adhesion performance and high temperature resistance.
Q6
Do these polyester resins support adhesion to glass substrates?
Yes. The product group under NO. 15 — including AS 8550 / AS 8575H, SR 39-16, HR 2564, and CR 21-12 — is formulated with high molecular weight polyester materials that exhibit excellent adhesion not only to metal sheets but also to glass and various film substrates, while maintaining resistance to both high and low temperatures.