Unsaturated Polyester Craft Resin of Low Shrinkage/Viscosity /Reactivity for Crafts Production

• Molecular Principal Chain: Element Organic Polymer
• Color: Yellow
• Specifications: Bisphenol a Epoxy Vinyl Ester
• Acid Value: 5.0-13.0 Mg KOH/ G Sample
• Geltime(25ºC): 10-30min
• Transport Package: IBC Tank/Drum
• Model NO.: 8358
• Specification: 5.72cm * 5.72cm * 86.00cm
• Trademark: RealLand
• Origin: Changzhou China
• HS Code: 3905910000
• Production Capacity: 20000 Ton/Year

Product Description

Unsaturated Polyester Resin
REL-8358

Product Description

REL-8358 is an isophthalic unsaturated polyester resin developed for gel coat base resin.It is recommended for use in outdoor GRP gel coats. It has medium reactivity, good water resistance,higher elongation and good resistance to environmental stress cracking.
 

Product Parameters

 PROPERTIES OF UNCURED RESIN(25ºC):
 

TEST ITEMS	UNIT	VALUE	METHOD
Appearance	---	Clear, yellowish liquid	GB/T8237.6.1.1
Brookfield viscosity at 25ºC	cp	600-800	GB/T7193.4.1
Gel time	min	6.0-12.0	GB/T7193.4.6
Acid Value	mgKOH/g	12.0-18.0	GB/T2895
Non-Volatile Content	%	60.0-64.0	GB/T7193.4.3
APHA Color		≤100	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	%	5.0	GB/T2568
Flexural Strength	MPa	130	GB/T2570
Flexural Modulus	MPa	3500	GB/T2570
Impack Resistance	KJ/M2	14	GB/T1451
HDT(1.80 MPa)	ºC	80	GB/T1634
Barcol Hardness	---	44	GB/T3854
Water Absorption at 25ºC	%	0.12	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

Stored at temperatures below 25ºC.Storage life decreases with increasing storage temperature. Avoid exposure to heat such as direct sunlight or steam pipes. To avoid contamination of the product with water, do not store outdoors. Keep sealed to prevent moisture pick-up and monomer loss. Mild mixing is recommended after prolonged storage. Rotate stock.
 

Features & Applications

 

 

Certifications

Packaging & Shipping

 

 

Company Profile

FAQ

Q: Can I Request a Sample of Unsaturated Polyester Resin?
A: Yes,we can provide 10kg of resin as a free sample, but freight are typically the responsibility of the buyer. 

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 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 The Product Lead Time?
A: 10 days.
 
Q:What's Shelf Life of Unsaturated Polyester Resin ?
A: Normally 8 months.

Q:Can I Get a Lower Price for a Large Quantity Order ?
A: Absolutely. The online price serves as a reference, but due to fluctuations in raw material costs, our sales team can provide you with the most accurate and competitive pricing. Before making a purchase, kindly engage with our sales representatives. They will work closely with you, taking into account your order quantity and specific requirements, to ensure you receive the best and most cost-effective pricing tailored to your needs.