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TR-919PT unsaturated polyester resin (modified)

2023-11-14

1、 Features and main uses:

Tianrun TR-919PT is an unsaturated polyester resin (modified) mainly composed of phthalic anhydride and standard diols, which has been dissolved in styrene. It has medium viscosity and reactivity, and excellent mechanical properties after curing. Widely applicable to various fiberglass products and forming processes such as hand layup and winding.


2、 Technical specifications of liquid resin (25 ℃):


Item

Unit

Test indicators

Test method

Apperance

---

Transparent reddish viscous liquid

GB/T8237.6.1.1

Viscosity

Pa·s

0.35-0.45

GB/T 7193-2008

Acid value

mgKOH/g

14-25

GB/T 2895-2008

Gel time

Min(25℃)

15-20

GB/T 7193-2008

Stability

H(80℃)

≥24

GB/T 7193-2008


Note: 25 ℃ gel time test: add 1ml methyl ethyl peroxide solution and 2ml cobalt isooctanoate solution to 50g resin in 25 ℃ water bath


3、 Physical properties of the casting body (for reference only):


Item

Unit

Test performance

Test method

Casting body

Tensile strength

MPa

≥60

GB/T2567-2008

Tensile modulus of elasticity

MPa

≥3000

GB/T2567-2008

Elongation at break

%

≥3.0

GB/T2567-2008

Bending strength

MPa

≥110

GB/T2567-2008

Flexural modulus

MPa

≥3200

GB/T2567-2008

Heat distortion temperature

≥100

GB/T1634-2004

Barcol hardness

---

≥40

GB/T3854-2005

Note: 

(1) The casting method shall be executed according to GB/T8237-2005; Temperature 25 ℃, curing system: accelerator RCA 1.0%, curing agent M-50 1.5%.

(2) Post casting curing treatment: room temperature × 24 hours+60 ℃ × 3 hours+80 ℃ × 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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蘇ICP備18051636號-1 Technical support:MUZINFO