高性能蜂窩板/不銹鋼粘接方案—DP7250FR

軌道交通?不銹鋼及鋁蜂窩結(jié)構(gòu)的門板地板粘接?各類金屬及復(fù)合材料結(jié)構(gòu)粘接?鐵路行業(yè)認(rèn)證，阻燃配方

建筑?金屬加強(qiáng)筋粘接?大面積金屬面板粘接?輕量化蜂窩結(jié)構(gòu)及夾心結(jié)構(gòu)粘接

一般工業(yè)?**的高溫強(qiáng)度和耐候性?增韌、耐沖擊

13.?All?Rights?Reserved.21?February?2020???3M?3M?Confidential.

3M?Internal?Use?only

Typical?uncured?physical?properties

DP7250FR系列

DP7250FRBlack???重量比：DP7250?FR?Black?WR???體積比：DP7250?FR?Black?VR

DP7250?FR?（淡黃色）

base?(Part?B)?Hardener?(Part?A)

base?Modified?Epoxy?Modified?Amine

Color?Off?white?Black

Viscosity?(Brookfield?DV2?at?23C,?#6?20rpm)

87600?34400

Density?(g/cm3)?1.34?1.12

Mix?ratio

By?weight?or?By?volume

2?1

Work?life?(23C)?60?min?for?20g

Cure?condition?60C?1h?+?23C?24h

高性能蜂窩板/不銹鋼粘接方案—DP7250FR

14.?All?Rights?Reserved.21?February?2020???3M?3M?Confidential.

3M?Internal?Use?only

Property?DP7250?FR?Black

Color?Black

Hardness?(ASTM?D?2240)?Shore?D?60-80

Density?after?curing?(g/cm3)?1.30

Tensile?strength?(T?block,?MPa)?19

Tensile?strength,?(MPa)?35

Elongation?5%

Storage?modulus?(23C,?MPa)?1800

Glass?Transition?Temperature?(Tg)?by?DMA?(C)?69

Typical?cured?physical?properties?高性能蜂窩板/不銹鋼粘接方案—DP7250FR

15.?All?Rights?Reserved.21?February?2020???3M?3M?Confidential.

3M?Internal?Use?only

3M?DP7250?FR?Black?performance

Test?Item:?Overlap?shear?strength

??Adhesives:?DP7250?FR?Black?WR,?DP7250?FR?Black?VR???Test?substrates:?Aluminum?6063?Stainless?steel?304???Cure?condition:?60℃?1h,?23℃24h???Aging?condition:?85℃,?85%?5?days

20.1

22.723.4

25.4

17.5

23.723.6

25.8

20.4

25.2

21.6

22.9

0

5

10

15

20

25

30

7250?WR?7250?VR

OLS?(Mpa)

Al-Al?Al-Al?85C?85%RH?-5d?Al-SS?Al-SS?85C?85%RH?-5d?SS-SS?SS-SS?85C?85%RH?-5d

DP7250?FR?Black?WR?and?DP7250?FR?Black?VR?both?show?high?bonding?strength?and?good?aging?performance?on?Al-Al,?Al-SS?and?SS-SS?adhesion?with?cohesive?failure?mode.

高性能蜂窩板/不銹鋼粘接方案—DP7250FR

16.?All?Rights?Reserved.21?February?2020???3M?3M?Confidential.

3M?Internal?Use?only

3M?DP7250?FR?Black?performance

Test?Item:?Bell?peel?

??Adhesives:?DP7250?FR?Black?WR?vs.?DP7250?FR?Black?VR???Test?substrates:?Aluminum?6063?Aluminum?sheet?Stainless?steel?sheet???Cure?condition:?60℃?1h,?23℃24h???Aging?condition:?85℃,?85%?5?days?

7.4

5.7

9.7

9.2

2

1

2.8

1.4

0

2

4

6

8

10

12

7250?WR?7250?VR

Bell?peel?(N/mm)

Al-Al?Al-Al?85C?85%RH?-5d?Al-SS?Al-SS?85C?85%RH?-5d

DP7250?FR?Black?WR?and?DP7250?FR?Black?VR?both?show?high?peel?strengthand?good?aging?performance?on?Al-Al?sheet?and??Al-SS?sheet?adhesion?with?cohesive?failure?mode.?DP7250?FR?Black?WR?is?recommended?for?applications?required?high?peel?performance.?

高性能蜂窩板/不銹鋼粘接方案—DP7250FR

17.?All?Rights?Reserved.21?February?2020???3M?3M?Confidential.

3M?Internal?Use?only

3M?DP7250?FR?Black?performance

Test?Item:?Drum?peel?

??Adhesives:?DP7250?FR?Black?WR???Test?substrates:?Aluminum?Aluminum?honeycomb?Stainless?steel?Stainless?steel?honeycomb???Cure?condition:?60℃?1h,?23℃24h

69

45

0

20

40

60

80

7250?WR

Drum?peel?(N/mm·mm)

Al-AlHC?SS-SSHC

DP7250?FR?Black?WR?shows?high?peel?strength?on?Al-AlHCand??SS-SSHC?adhesion?with?cohesive?failure?mode.?

高性能蜂窩板/不銹鋼粘接方案—DP7250FR

18.?All?Rights?Reserved.21?February?2020???3M?3M?Confidential.

3M?Internal?Use?only

Testitem?7250?WR?7250?VR?7240?DP460NS?LSB60

OLS?(MPa)

Al-Al?20.1?CF?22.7?CF?19.3?CF?20.0?AF?22.6?CF?Al-Al85C?85%RH?-5d?23.4?CF?25.4?CF?20.6?CF?26.8?AF?31.1?CF?Al-SS?17.5?CF?23.7?CF?15.4?CF?24.0?AF?21.2?CF/AF?Al-SS85C?85%RH?-5d?23.6?CF?25.8?CF?17.4?CF/AF?24.9?AF?22.3?CF/AF?SS-SS?20.4?CF?25.2?CF?12.5?CF?24.3?CF/AF?24.4?CF/AF?SS-SS?85C?85%RH?-5d?21.6?CF?22.9?CF?15.7?CF/AF?20.9?AF?22.4?CF/AF

20.1

22.7

19.3?20?22.623.4?25.4?20.6?26.8

31

17.5

23.7

15.4

24

21.2

23.6

25.8

17.4

24.9

22.3

20.4

25.2

12.5

24.3?24.4

21.6

22.9

15.7

20.9

22.4

0

5

10

15

20

25

30

35

7250?WR?7250?VR?7240?DP460NS?LSB60

OLS?(Mpa)

Al-Al?Al-Al?85C?85%RH?-5d?Al-SS?Al-SS?85C?85%RH?-5d?SS-SS?SS-SS?85C?85%RH?-5d

Test?Background

Test?Item:?Overlap?shear?strength

??Adhesives:?DP7250?FR?Black?WR,?DP7250?FR?Black?VR,?7240?B/A?FR,?DP460NS?Off-white,??LSB60???Test?substrates:?Aluminum?6063?Stainless?steel?304???Cure?condition:?60℃?1h,?23℃?24h???Aging?condition:?85℃,?85%?5?days?

高性能蜂窩板/不銹鋼粘接方案—DP7250FR

19.?All?Rights?Reserved.21?February?2020???3M?3M?Confidential.

3M?Internal?Use?only

Testitem?7250?WR?7250?VR?7240?DP460NS?LSB60

Bell?peel?(N/mm)

Al-Al?7.4?CF?5.7?CF?7.4?CF?4.9?AF?7.1??(SHOCK)?Al-Al85C?85%RH?-5d?9.7?CF?9.2?CF?8.1?AF/CF?6.0?AF?6.7?(SHOCK)?Al-SS?2.0?CF?1.0?CF?2.7?CF?0.3?AF?0.5?AF?Al-SS?85C?85%RH?-5d?2.8?CF?1.4?AF?2.6?CF/AF?0.4?AF?0.4?AF

7.4

5.7

7.4

4.9

7.1

9.7

9.2

8.1

6

6.7

2

1

2.7

0.3?0.5

2.8

1.4

2.6

0.4?0.4

0

2

4

6

8

10

12

7250?WR?7250?VR?7240?DP460NS?LSB60

Bell?peel?(N/mm)

Al-Al?Al-Al?85C?85%RH?-5d?Al-SS?Al-SS?85C?85%RH?-5d

Test?Background

Test?Item:?Bell?peel?

??Adhesives:?DP7250?FR?Black?WR,?DP7250?FR?Black?VR,?7240?B/A?FR,?DP460NS?Off-white,?LSB60???Test?substrates:?Aluminum?6063?Aluminum?sheet?Stainless?steel?sheet???Cure?condition:?60℃@1?h,?23℃@24?h???Aging?condition:?85℃,?85%@?5?days?

高性能蜂窩板/不銹鋼粘接方案—DP7250FR

20.?All?Rights?Reserved.21?February?2020???3M?3M?Confidential.

3M?Internal?Use?only

??高溫120℃-150℃固化???主要用于粘接金屬、玻璃、陶瓷，木材，塑料等，應(yīng)用于多種特殊要求行業(yè)???在室溫和高溫下均具有良好的抗塌陷性能???粘接處具有極強(qiáng)本體強(qiáng)度和粘接強(qiáng)度，抗沖擊能力優(yōu)異???具有**的高溫性能，在高溫高濕條件下優(yōu)異的性能?耐