^{3M Aluminum Foil Tape 425 Acrylic Adhesive}

^{3M 金屬鋁箔膠帶 425 丙烯酸膠黏劑}

3M 425 Aluminum Foil Tape 規格
基本結構
基材（Backing）：軟質鋁箔（Dead soft aluminum foil）
膠系（Adhesive）：壓敏型壓克力膠（Acrylic adhesive）
顏色：銀色
厚度
總厚度：約 0.12 mm
鋁箔厚度：約 0.07 mm
耐溫範圍
使用溫度：約 -54°C ～ 149°C（-65°F～300°F）
性能特性
良好導熱性，適合散熱用途
反射熱與光，隔熱效果佳
抗紫外線、耐候、耐濕氣
阻燃等級：UL 認證（低可燃性）
適合高溫遮蔽、管路密封、防水
常見尺寸
長度：約 55 m（60 yards）
寬度：25 mm、50 mm、75 mm、100 mm（可依需求選擇）
常見用途
冷氣風管密封（HVAC）
保溫材料接縫
電子遮蔽（EMI）
管路補強、防水
高溫遮蔽（烤漆、化學處理）

3M Aluminum Foil Tapes 425 and 427 are 5 mil nominal dead soft aluminum foil backing combined with a transparent acrylic adhesive. 3M aluminum foil tape 427 offers an easy-release liner.

Backing: Dead soft aluminum

Adhesive:  Acrylic

Color: Shiny silver

Standard Roll Length: 60 yds. (55 m)
Adhesion to Steel:
3M aluminum foil tape 425 47 oz./in. width (51 N/100 mm)
3M aluminum foil tape 427 50 oz./in. width (55 N/100 mm)

Tensile Strength: 30 lbs./in. width (525 N/100 mm)
Backing Thickness: 2.8 mils (0.07 mm)
Total Tape Thickness: 4.6 mils (0.12 mm)
Liner Thickness: 3M aluminum foil tape 427 3.1 mils (0.08 mm)
Elongation at Break: 8%
Temperature Use Range: -65° to 300°F (-54° to 149°C)
Water Vapor Transmission Rate: 0.1g H2O/100 sq. in./24 hrs.  (1.55 g/m2/24 hrs.)
Approximate Weight: 0.013 lbs./yd./in. width (4.77 gms/m/24 mm)

• Flame resistant.  • The very low moisture vapor transmission rate makes these tapes a good sealant.
• The acrylic adhesive, combined with the durable aluminum backing, offers ideal properties for long serviceable life in and outdoors. • Good candidate as a maskant in electroplating of aluminum because it will not contaminate the bath.
• Aluminum backing provides excellent reflection of both heat and light. • Best results obtained when applied to a clean, dry surface above 32°F (0°C).

• Aircraft paint stripping maskant. • Moisture barrier in “white goods” appliances. • General purpose heat reflector and heat dissipator. • Mechanically hold wires and cooling coils in “white goods” appliances. • Repair tears on truck trailers and aircraft. • Splicing of thin gauge foils. • General purpose holding, patching, sealing applications – indoors and out.

• Flame resistant. Meets U.L. 746C (File E 122798) and 723, Class “L” low flammability rating (File R 7311). • 3M aluminum foil tape 425 can be certified to meet L-T-80C. • Meets requirements of FAR 25.853(a). • The very low moisture vapor transmission rate makes these tapes a good sealant. • The acrylic adhesive, combined with the durable aluminum backing, offers ideal properties for long serviceable life in and outdoors. • Good candidate as a maskant in electroplating of aluminum because it will not contaminate the bath. • Aluminum backing provides excellent reflection of both heat and light. • Best results obtained when applied to a clean, dry surface above 32°F (0°C)

^{3M Aluminum Foil Tape  427 Acrylic Adhesive}

^{3M 金屬鋁箔膠帶  427 丙烯酸膠黏劑}

3M 427 Aluminum Foil Tape 規格
基本結構
基材（Backing）：軟質鋁箔（Dead soft aluminum foil）
膠系（Adhesive）：壓敏型橡膠膠（Rubber adhesive）
顏色：銀色
厚度
總厚度：約 0.13 mm
鋁箔厚度：約 0.07 mm
耐溫範圍
使用溫度：約 約 -54°C ～ 149°C（-65°F～300°F）
性能特性
高附著力，貼合力強
良好導熱性
反射熱與光
抗紫外線、耐候、耐濕氣
適合一般遮蔽、密封、防潮、電氣絕緣
常見尺寸
長度：約 55 m（60 yards）
寬度：25 mm、50 mm、75 mm、100 mm（可依需求選擇）
常見用途
冷氣風管密封（HVAC）
保溫材料接縫
管路補強、防水
電氣絕緣及一般高附著力遮蔽