高性能蜂窝板/不锈钢粘接方案—DP7250FR
轨道交通 不锈钢及铝蜂窝结构的门板地板粘接 各类金属及复合材料结构粘接 铁路行业认证，阻燃配方
建筑 金属加强筋粘接 大面积金属面板粘接 轻量化蜂窝结构及夹心结构粘接
一般工业 **的高温强度和耐候性 增韧、耐冲击
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 • 体积比：DP7250 FR Black VR
DP7250 FR （淡黄色）
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
高性能蜂窝板/不锈钢粘接方案—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 高性能蜂窝板/不锈钢粘接方案—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.
高性能蜂窝板/不锈钢粘接方案—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.
高性能蜂窝板/不锈钢粘接方案—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.
高性能蜂窝板/不锈钢粘接方案—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
高性能蜂窝板/不锈钢粘接方案—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
高性能蜂窝板/不锈钢粘接方案—DP7250FR
20. All Rights Reserved.21 February 2020 © 3M 3M Confidential.
3M Internal Use only
• 高温120℃-150℃固化 • 主要用于粘接金属、玻璃、陶瓷，木材，塑料等，应用于多种特殊要求行业 • 在室温和高温下均具有良好的抗塌陷性能 • 粘接处具有极强本体强度和粘接强度，抗冲击能力优异 • 具有**的高温性能，在高温高湿条件下优异的性能 耐
免责声明：当前页为 高性能蜂窝板/不锈钢粘接方案—3M DP7250FR产品信息展示页，该页所展示的 高性能蜂窝板/不锈钢粘接方案—3M DP7250FR产品信息及价格等相关信息均有企业自行发布与提供， 高性能蜂窝板/不锈钢粘接方案—3M DP7250FR产品真实性、准确性、合法性由店铺所有企业完全负责。世界工厂网对此不承担任何保证责任，亦不涉及用户间因交易而产生的法律关系及法律纠纷，纠纷由会员自行协商解决。
友情提醒：世界工厂网仅作为用户寻找交易对象，就货物和服务的交易进行协商，以及获取各类与贸易相关的服务信息的渠道。为避免产生购买风险，建议您在购买相关产品前务必确认供应商资质及产品质量。过低的价格、夸张的描述、私人银行账户等都有可能是虚假信息，请您谨慎对待，谨防欺诈，对于任何付款行为请您慎重抉择。
投诉方式：fawu@gongchang.com是处理侵权投诉的专用邮箱，在您的合法权益受到侵害时，请将您真实身份信息及受到侵权的初步证据发送到该邮箱，我们会在5个工作日内给您答复，感谢您对世界工厂网的关注与支持！
