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TC-5M

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Product description
Parameters

Product introduction:

TC-5M epoxy adhesive, a black paste adhesive with single component, is applicable for bonding aluminum, steel, titanium, carbon fiber composite material, ceramics, and metal and non-metal materials. The adhesive features high strength, good aging resistance, fatigue resistance, high creep-resistance, single component packaging, longer shelf life in room temperature, good mobility and convenient construction. It is applicable for bonding of complex profile and large parts with rough or porous surfaces as well as pouring and embedment of electrical appliances or other objects. It can be applied to -55℃ to 130℃ for a long time and 150℃ to 200℃ for a short time.

 

Typical characteristics:

Specification item

Condition

Unit

Data

Color

 

 

Black

Viscosity (40℃)

25℃

mpa.s

5000-6000

Specific gravity

25℃

g/ml

1.48±0.1

Curing condition

110-120℃

min

60-70

Hardness

25℃

Shore D

80-90

Withstand voltage

25℃

Kv/mm

20-23

Volume resistivity

25℃

0hm-cm

2.0×1014

Flame retardant property

UL-94

 

V0

Water absorption

25℃×24

%

<0.1

 

Application process:

1. If adhesive is stored in a refrigerator, it shall be taken out and placed in the ambient temperature to recover to normal temperature and moisture on the surface shall be wiped before opening the lid for application.

2. Various objects to be bonded shall undergo oil removing, sand blasting or chemical or anodizing treatment before using a scraper or other proper tools for adhesive application. Each bonding surface consumes about 100g/m2 to 200g/m2 of adhesive before assembling, positioning and applying contact pressure for curing.

3. To bond two objects, temperature rising and curing can be conducted directly, with curing temperature from 110 to 120℃ and duration from 60 to 70 min. After keeping the temperature, cool it below 60℃, release pressure and take out the bonded part.

4. Heat an object to 80℃, keep the temperature for 2h before raising temperature to 110-120℃ during pouring and embedment. Two hours after keeping the temperature, cool it below 60℃ and take out the poured part.

 

Storage condition and shelf life:

Stored in ventilated and dry places. It will have crystal in case of humidity for a long time. Its shelf life is 90d at 5-10℃, 60d at 10-25℃ and 24 months at -18℃-+5℃. It can still be used after passing the test when shelf life expires.

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