Rel-270 Is an Isophthalic Unsaturated Polyester Epoxy Resin

• Molecular Principal Chain: Element Organic Polymer
• Color: Yellow
• Specifications: Customized Available
• Specific Gravity: 1.88
• Transport Package: IBC Tank(1100kg) or Drum(220kg)
• Specification: 5.72cm * 5.72cm * 86.00cm
• Model NO.: 270
• Trademark: RealLand
• Origin: Changzhou China
• HS Code: 3905910000
• Production Capacity: 20000 Ton/Year

Product Description

 

Unsaturated Polyester Resin
REL-270

 

Product Description

• REL-270 is an isophthalic /NPG unsaturated polyester resin developed for gel coat base resin;
• Excellent transparency, water resistance, weather resistance, pollution resistance; High toughness and comprehensive mechanical strength;
• Compared with conventional Iso/NPG type resins such as REL-8305, there is a significant improvement in the construction performance, overall strength, and water resistance of the gel coat.

• Gel coat base resin for artificial marble, sanitary ware and furniture;
• Gel coat base resin for boats, swimming pools and fan blades.

Product Parameters

PROPERTIES OF UNCURED RESIN(25ºC):
 

TEST ITEMS	UNIT	VALUE	METHOD
Appearance	---	Clear, yellowish liquid	GB/T8237.6.1.1
Brookfield viscosity	cp	600-800	GB/T7193.4.1
Gel time	min	8.0-12.0	GB/T7193.4.6
Acid Value	mgKOH/g	10.0-15.0	GB/T2895
Non-Volatile Content	%	60.0-64.0	GB/T7193.4.3
Color(Harzen)	--	≤60	GB/T605

  *Gel time test: 0.6Co/naph:2%+ AKZO M-50:2%
 

PROPERTIES OF CURED RESIN:

TEST ITEMS	UNIT	VALUE	METHOD
Tensile Strength	MPa	75	GB/T2568
Tensile Modulus	MPa	3000	GB/T2568
Elongation at Break	%	3.8	GB/T2568
Flexural Strength	MPa	130	GB/T2570
Flexural Modulus	MPa	3350	GB/T2570
Impack Resistance	KJ/M	12.0	GB/T1451
HDT(1.80 MPa)	ºC	87	GB/T1634
Barcol Hardness	---	46	GB/T3854
Water Absorption at 25ºC	%	0.085	GB/T1034

*Curing schedule:1)0.6Co/naph:1.5%+ AKZO M-50:1.5%
                               2)24 hrs at 25ºC,3 hrs at 60ºC,2 hrs at 100ºC
 

Storage

Drums - Store at temperatures below 25°ºC (77°F). Storage life decreases with increasing storagetemperature. Avoid exposure to heat sources such as direct sunlight or steam pipes. To avoidcontamination of product with water, do not store outdoors. Keep sealed to prevent moisture pick-up andmonomer loss. Mild mixing is recommended after prolonged storage. Rotate stock.
 

Features & Applications

 

 

Packaging & Shipping

 

Certifications

 

 

FAQ

Q: Can I Request a Sample of Unsaturated Polyester Resin?
A: Yes,we can provide 10kg of resin as a free sample. 

Q: Do you have OEM/ODM service?
A: Yes, we are highly flexible in offering OEM/ODM services.

Q: Can I Customize the Formulation of Unsaturated Polyester Resin for My Project?
A: Yes, absolutely. We understand that different projects may have unique requirements. Our R & D department is well-equipped to handle custom formulations based on your specific needs. You can provide us with the details of your project, including any specific characteristics or performance criteria you are looking for, and our experts will work on tailoring a formulation that meets your requirements.

Q: How Do I Choose the Right Unsaturated Polyester Resin for My Application?
A: We would provide guidance on selecting the appropriate UPR based on different project requirements.
 
Q: What is The Product Lead Time?
A: 10 days.
 
Q:What's Shelf Life of Unsaturated Polyester Resin ?
A: Normally 8 months.

Q: What Certifications and Quality Standards Does Your Unsaturated Polyester Resin Meet?
A: Our Unsaturated Polyester Resin meets CCS, RoHS, REACH, EMS, and QMS certifications and quality standards.

Q: What is Your Company's International Transportation Form?
A: For samples, we offer Delivery Duty Paid (DDP) services for most of the countries. This means that we handle the delivery process, including the payment of taxes, and you won't be required to manage customs clearance. For bulk orders, we normally transported by sea or land. Our commitment is to ensure the secure and efficient delivery of our products to your specified destination.