Tianrun TR-885IN is an unsaturated polyester resin (modified) synthesized from isophthalic anhydride and neopentyl glycol as the main raw materials, which has been dissolved in styrene. It has moderate viscosity and reactivity, high water resistance, and high hardness. Especially suitable for imitation granite/marble, with a hard surface material.
2、 Technical specifications of liquid resin (25 ℃):
Item
Unit
Test indicators
Test method
Appearance
---
Transparent yellowish viscous liquid
GB/T8237.6.1.1
Viscosity
Pa·s
0.5-0.85
GB/T 7193-2008
Acid value
mgKOH/g
15-26
GB/T 2895-2008
Gel time
Min（25℃）
3.5-6.5
GB/T 7193-2008
Stability
H（80℃）
≥24
GB/T 7193-2008
Note: gel time test: T-8A 0.6%, M-55 1%
3、 Physical properties of the casting body (for reference only):
Item
Unit
Test performance
Test method
Casting body
Tensile strength
MPa
≥60
GB/T2568-1995
Tensile modulus of elasticity
MPa
≥3100
GB/T2568-1995
Elongation at break
%
≥2.8
GB/T2568-1995
Bending strength
MPa
≥100
GB/T2570-1995
Flexural modulus
MPa
≥3200
GB/T2568-1995
Heat distortion temperature
℃
≥55
GB/T1634-2004
Barcol hardness
---
≥43
GB/T3854-2005
Note: 1) The casting body and fiberglass sample preparation method shall be carried out in accordance with GB/T8237-2005;
2) Post casting curing treatment: room temperature × 24 hours+60 ℃ × 3 hours+80 ℃ × 1 hour;
4、 Precautions:
1. Before use, please stir evenly in the packaging bucket, or pour out all the resin in the packaging bucket and stir evenly before use.
2. During transportation, it should comply with Chapter 5 of the State Council's "Regulations on the Safety Management of Chemical Dangerous Goods" regarding the transportation and loading and unloading of chemical dangerous goods. The product should be stored in a cool place below 25 ℃, avoiding ignition and isolating heat sources. The shelf life for storage below 25 ℃ is 3 months.
5、 Regarding Product Safety Data (MSDS):
Before using this product, please read the MSDS carefully.
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