C-EP 6841/6840 Technical Data Sheet

PRODUCT DESCRIPTION 產(chǎn)品描述

C-EP 6841/6840 is an optimally filled casting resin system with good impregnation capability for processing and curing at room temperatures or slightly elevated temperatures. It is suitable for atmospheric or vacuum casting. The product is featured with its very good thermal shock resistance, thermal endurance and flame retardance. It is suitable for the application such as voltage regulators, relays, resistor networks, iron core transformers, modules, proximity switches, etc. C-EP 6841/6840 是一種擁有良好的注入性能的極佳環(huán)氧樹脂澆鑄系統(tǒng)，它可在室溫或略高的溫度下固化并且適合于大氣下或真空澆鑄。固化后的產(chǎn)品具有極好的熱沖擊性能，耐熱性能和阻燃性。適用于調(diào)壓器，繼電器，電阻網(wǎng)絡(luò)，鐵心變壓器，模塊，接近開關(guān)等。

PROPERTIES OF UNCURED MATERIAL 固化前材料性能

Properties

性能

Test Method

測(cè)試方法

Resin-A

環(huán)氧樹脂-A

Hardener-B

固化劑-B

Mixed-A/B

混合物-A/B

Color/Appearance

顏色/外觀

Visual

目測(cè)法

Green liquid

黑色液體

Clear yellowish

liquid 透明黃色液態(tài)

green

黑色

Specific Gravity

比重

ASTM D-792

1.62

0.98

1.53

Viscosity @ 25°C, cps 粘度（25°C）

ASTM D-2393

16,100

150

3,800

TYPICAL CURED PROPERTIES 固化后屬性

Property 性能	Test Method 測(cè)試方法	value 數(shù)值
Hardness (Shore D) 硬度	DIN 53 505	80
Elongation at break at 25 oC斷裂延伸率, %	ISO 527T2/93	15
Tensile strength at 25 oC拉伸強(qiáng)度, MPa	ISO 527T2/93	15
Glass transition temperature 玻璃化轉(zhuǎn)變溫度, Tg, oC	DMA	20
Thermal Conductivity 導(dǎo)熱率, W/M-K	ISO 8894/90	0.502
Coefficient of linear thermal expansion 線性熱膨脹系數(shù), CTE，ppm/K	DIN 53 752/80	41
Max. service temperature 最大工作溫度, oC		130
Water absorption, one day at 24 oC, % weight吸水率,1天	ISO 63/80	0.25
Dielectric strength, kV/mm	ASTM D149	24
Flammability	UL 94	V0

CURING SCHEDULE 固化步驟

Resin/Hardener Ratio (by weight) 樹脂與固化劑重量比	100 / 12
Resin/Hardener Ratio (by volume) 樹脂與固化劑體積比	100 / 20.4
Working life, 25°C, minutes 操作時(shí)間，25°C，分鐘	40

CURING TIME TABLE 固化進(jìn)度表

Temperature 溫度	Minimum Cure Time 最少固化時(shí)間
25 oC (77oF)	24 hours
60 oC (158oF)	6 hours

SHELF METHOD 保存方法

Store at 15 - 30 oC in a dry place. After each use, tightly reseal. 每次用完后，應(yīng)密封保存于15 - 30 oC的干燥地方。

SHELF LIFE儲(chǔ)藏壽命

Provided this material is stored under the recommended storage conditions in their original containers, it will remain in useable condition for one year from date of shipping. 采用原始包裝，保存于15 - 30 oC的干燥地方，保質(zhì)期為一年（從發(fā)貨之日算起）。