DS-726-7

DS-Tianhe Resin Series

Tianhe Dingshi brand DS-726-7 is a phthalate composite acrylic type unsaturated polyester resin, with high viscosity and moderate reactivity. It has good wettability for fillers, high transparency, and high surface hardness, suitable for manufacturing artificial marble, countertops, bathrooms, etc.

Liquid Resin Technical Specifications
Item Unit Specification Testing Standard
Appearance   Viscous Liquid Visual
Color (Pt-Co)   25-35 GB7193
Acid Value mgKOH/g 18-22 GB2895
Viscosity (25℃) mPa.S 650-850 GB7193
Gel Time min 5-8 GB7193
Solid Content % 67-71 GB7193
80℃ Stability h ≥24 GB7193
Note: Gel time is measured at a temperature of 25℃ in an air bath with 50g of resin mixed with 0.5ml of cobalt octoate solution and 0.5ml of MEKP solution.

 

Resin Casting Body Performance Indicators (for reference only)
Item Unit Specification Testing Standard
Barcol Hardness Barcol 37 GB3854
Tensile Strength MPa 65 GB2567
Tensile Elastic Modulus MPa 3000 GB2567
Elongation at break % 6.0 GB2567
bending strength MPa 85 GB2567
Tensile Elastic Modulus MPa 3000 GB2567
impact toughness KJ/m² 10.0 GB2567
heat distortion temperature 62 GB1634.2
(Note: Experimental environment temperature is 23±2℃, relative humidity is 50±5%.)

 

Packaging and Storage

The packaging of Tianhe Dingshi brand DS-726-7 is a net weight of 220KG metal drum, with a storage period of six months at a temperature of 20℃. Higher temperatures will shorten the storage period accordingly. It should be stored in a cool, ventilated place, avoiding direct sunlight and keeping away from heat sources. This product is flammable and should be kept away from open flames.

(Note: This data is determined according to national standards (GB). Due to various factors affecting the processing process, it does not exclude the necessity for users to conduct their own experimental research. Legally, it does not guarantee that certain product performances are fully applicable to any specific use and reserves the right to modify the information.)

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