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3MScotchcast環(huán)氧樹脂8N套裝（A B組份）

3M Scotchcast 8N 電氣絕緣雙組分環(huán)氧樹脂為填充性樹脂，該產(chǎn)品的特點是半柔軟、低放熱、機械 性以及優(yōu)越的耐熱沖擊性能。該樹脂非常容易使用，具有 的操作性，易于混配。該型號樹脂具有良好的使用有效期，且粘度中等。重量混合比為1：1，可以室溫固化，為獲得性能，建議適當(dāng)延長固化時間。

該樹脂基本沒有任何毒性，經(jīng)常被用于需要優(yōu)良的耐熱沖擊及機械沖擊性能的場合，該樹脂粘性較高，應(yīng)力低且固化時具有低放熱性，用于溫度敏感元件的灌注中時可以降低應(yīng)力及溫度對元器件的影響。

.低放熱性

.良好的可操作性

.優(yōu)良的機械性能及耐熱沖擊性

3M? Scotchcast?

Electrical Resin 8N

Two-Part, Room-Curing, Semiflexible,

Unfilled, Epoxy Liquid Resin

Data Sheet? September 2016

Description

3M? Scotchcast? Electrical Resin 8N is a low-stress, highly moisture-resistant

compound that cures at room temperature. This epoxy resin system offers long pot life,

low viscosity, a 1:1 mix ratio (by weight), Class B (130?C) temperature rating, and is

commonly used to coat printed circuit boards, pot connectors, and impregnate

electrical and electronic components. Because of its low exotherm, Scotchcast resin 8

is also frequently specified for impregnating and encapsulating temperature sensitive

units.

? Low exotherm

? High moisture resistance

? Highly resistant to mechanical and thermal shock

? Extended pot life

Handling Properties

Mix Ratio (A-B)? Wt 1:1

Vol () 46:54

Viscosity

@ 23°C (73°F)

A = 12,500 cps

B = 4,000 cps

Mixed = 7,000 cps

Density? A = 1.16 kg/l (9.71 lbs/gal)

B = 0.995 kg/l (8.30 lbs/gal)

Flash Point? A = 204°C (400°F)

B =201°C (395°F)

Gel Time? 30 min. @ 60°C (140°F)

Curing Guide? 23°C (73°F) 24-48 hrs

60°C (140°F) 2 hrs

95°C (203°F) 1 hr