Tianrun TR-8620 belongs to the unsaturated polyester resin (modified) used for neopentyl glycol SMC/BMC, with low viscosity and high reactivity, good coloring and thickening properties. Its products have a flat surface, high glossiness, excellent water and heat resistance, high mechanical strength, and excellent electrical performance. Recommended for use in electrical components, industrial components, bathroom components, vehicle components, and other fields.
2、 Technical specifications of liquid resin (25 ℃):
Item
Unit
Test indicators
Test method
Appearance
---
Light yellow transparent liquid
GB/T8237.6.1.1
Viscosity (25 ℃)
Pa·s
0.6-0.8
GB/T 7193-2008
Acid value
mgKOH/g
12-15
GB/T 2895-2008
High temperature gel time
Min
6.0-8.0
GB/T 7193-2008
Note: High temperature gel time test: 50% BPO powder 2.0%
3、 Physical properties of the casting body (for reference only):
Item
Unit
Measured value
Test method
Tensile strength
MPa
55
GB/T2567-2008
Tensile modulus of elasticity
MPa
3000
GB/T2567-2008
Elongation at break
%
1.5
GB/T2567-2008
Bending strength
MPa
100
GB/T2567-2008
Flexural modulus
MPa
3300
GB/T2567-2008
Heat distortion temperature
℃
130
GB/T1634-2004
Barcol hardness
---
50
GB/T3854-2005
Note:
(1) The casting method shall be executed according to GB/T8237-2005; Curing system: Accelerator 0.6% Co Naph 1.5%, curing agent M-50 1.5%.
(2) Post casting curing treatment: room temperature × 24 hours+60 ℃ × 3 hours+120 ℃ × 2 hours;
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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