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TR-8620

2023-11-13

1、 Features and main uses:

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.

Hotline

0523-86925111

Address: No.1 Yuxing Road, Yonganzhou Town, Gaogang District, Taizhou City

E-mail:trtuhongyuan@tztrchem.cn

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