Tianrun TR-896 is an unsaturated polyester resin (modified) synthesized from phthalic anhydride and standard diols, which has been dissolved in styrene. It has medium viscosity and medium reactivity and has excellent mechanical properties. Suitable for bathroom products, with excellent strength, toughness and water resistance, weather resistance.
2. Technical indicators of liquid resin (25℃) :
Item
Unit
Test index
Test method
Appearance
-
Transparent water white with green light liquid
GB/T8237.6.1.1
Viscosity
Pa·s
0.75-0.85
GB/T 7193-2008
Acid number
mgKOH/g
20-28
GB/T 2895-2008
Gel time
Min（25℃）
4.25-6.75
GB/T 7193-2008
Stability
H（80℃）
≥24
GB/T 7193-2008
Note: In a water bath at 25℃, add 1ml methyl ethyl ketone peroxide solution and 0.6ml colorless accelerator T-8A solution to 100g resin
3. Physical properties of casting body (for reference only) :
Item
Unit
Test performance
Test method
Casting body
Tensile strength
MPa
≥58
GB/T2567-2008
Tensile modulus of elasticity
MPa
≥3000
GB/T2567-2008
Elongation at break
%
≥3.0
GB/T2567-2008
Bending strength
MPa
≥100
GB/T2567-2008
Flexural elastic modulus
MPa
≥3400
GB/T2567-2008
Thermal deformation temperature
℃
≥55
GB/T1634-2004
Bacor hardness
---
≥40
GB/T3854-2005
Note:
(1) Casting system sample method according to GB/T8237-2005 execution; Temperature 25℃, curing system: accelerator RCA 1.0%, curing agent M-50 1.5%.
(2) Curing after casting: room temperature ×24 hours +60℃×3 hours +80℃×2 hours;
4. Precautions:
1. Stir well in the packaging bucket before use, or pour out all the resin in the packaging bucket and stir well before use.
2. The transportation shall comply with the transportation and loading provisions of chemical dangerous goods in Chapter 5 of the Regulations on the Safety Administration of Chemical Dangerous Goods of The State Council. The product should be stored in a cool place below 25℃, avoid fire, isolate heat source, and the shelf life below 25℃ is 3 months.
5. Product Safety Data (MSDS) :
Before using this product, be sure to read this product MSDS in detail.
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