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N3250PT unsaturated polyester resin (modified)

2023-11-14

1、 Features and main uses:

TR N3250PT is an unsaturated polyester resin (modified) mainly composed of phthalic anhydride and standard diols, which has been dissolved in styrene. Has moderate reactivity. It has the characteristics of medium viscosity, high thixotropy, and fast post curing. Especially suitable for model making and high-performance FRP products.


2、 Technical specifications of liquid resin:


Item

Unit

Test indicators

Test method

Apperance

---

Pink thixotropic liquid

GB/T8237.6.1.1

Viscosity

CPa·s

350-450

GB/T 7193-2008

Acid value

mgKOH/g

14-25

GB/T 2895-2008

Gel time

Min(30℃)

15-20

GB/T 7193-2008

Stability

Month(25℃)

3-4

GB/T 7193-2008

THIXOTROPIC INDEX

 

2.0-2.2

 


Note: In a 30 ℃ water bath, add 1g of curing agent M-50 to 100g of resin


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


Item

Unit

Test performance

Test method

Casting body

Tensile strength

MPa

≥65

GB/T2567-2008

Tensile modulus of elasticity

MPa

≥3000

GB/T2567-2008

Elongation at break

%

≥3

GB/T2567-2008

Bending strength

MPa

≥100

GB/T2567-2008

Flexural modulus

MPa

≥3000

GB/T2567-2008

Heat distortion temperature

≥55

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: curing agent M-50 1%.

(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

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

E-mail:trtuhongyuan@tztrchem.cn

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