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3M VHB RP25 Acylic foam tape

Manufacturer: 3M

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Fast and easy-to-use permanent bonding method provides high strength and long-term durability Virtually invisible fastening keeps surfaces smooth Can replace mechanical fasteners (rivets, welding, screws) or liquid adhesives Gray, 0.025 in (0.6 mm), multi-purpose adhesive and conformable acrylic foam core for good performance in a variety of applications Eliminate drilling, grinding, refinishing, screwing, welding and clean-up Creates a permanent seal against water, moisture and more Pressure sensitive adhesive bonds on contact to provide immediate handling strength Allows the use of thinner, lighter weight and dissimilar materials

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3M VHB RP25 TDS

Overview
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Fast and easy-to-use permanent bonding method provides high strength and long-term durability
Virtually invisible fastening keeps surfaces smooth
Can replace mechanical fasteners (rivets, welding, screws) or liquid adhesives
Gray, 0.025 in (0.6 mm), multi-purpose adhesive and conformable acrylic foam core for good performance in a variety of applications
Eliminate drilling, grinding, refinishing, screwing, welding and clean-up
Creates a permanent seal against water, moisture and more
Pressure sensitive adhesive bonds on contact to provide immediate handling strength
Allows the use of thinner, lighter weight and dissimilar materials

Dream, Design, Deliver with our 3M™ VHB™ Tape RP25. It is a gray, 0.025 in (0.6 mm), multi-purpose acrylic adhesive with a conformable foam core. It can replace rivets, welds and screws. The fast and easy to use permanent bonding method provides good strength and durability. It offers design flexibility with its viscoelasticity and can bond to a variety of surfaces even at lower temperatures.

Convenience Meets Extreme Bonding Power
Our 3M™ VHB™ Tape consists of a durable acrylic adhesive with viscoelastic properties. This provides an extraordinarily strong double sided foam tape that adheres to a broad range of substrates, including aluminum, stainless steel, galvanized steel, composites, plastics, acrylic, polycarbonate, ABS and painted or sealed wood and concrete. Our bonding tapes provide excellent shear strength, conformability, surface adhesion and temperature resistance. They are commonly used in applications across a variety of markets including transportation, appliance, electronics, construction, sign and display and general industrial. Reliably bonds a variety of materials with strength and speed for permanent applications.

Typical Physical Properties

Property	Values		Method	Notes	Attribute Modifier
Color	Gray
Tape Thickness	0.6 mm	0.025 in
Thickness Tolerance	±15 %
Adhesive Type	Multi-Purpose Acrylic
Foam Type	Conformable Acrylic
Density	720 kg/m³	45 lb/ft³	ASTM D3574	Foam with adhesive
Liner	DK Paper
Liner Color	White (printed)				Primary
Liner Thickness	0.08 mm	0.003 in

Typical Performance Characteristics

Property	Values		Method	Dwell/Cure Time	Dwell Time Units	Temp C	Temp F	Environmental Condition	Substrate	Backing	Notes	Test Condition
90° Peel Adhesion	17 lb/in	30 N/cm	ASTM D3330	72	hr	22C	72F	52%RH	Stainless Steel	2 mil Aluminum Foil	12 in/min (300 mm/min)
Normal Tensile	620 kPa	90 lb/in²	ASTM D897	72 hr @ Room Temperature					Aluminum		1 in² (6.45 cm²), Jaw Speed 2 in/min (50.8 mm/min). Peak force to separate is measured.	Room Temperature
Overlap Shear Strength	550 kPa	80 lb/in²	ASTM D1002	72 hr @ Room Temperature					Stainless Steel		1 in² (6.45 cm²), Jaw speed 0.5 in/min (12.7 mm/min). Peak force to separate is measured.	Room Temperature
Short Term Temperature Resistance	121 °C	250 °F									No change in room temperature dynamic shear properties following 4 hours conditioning at indicated temperature with 100 g/static load. (Represents minutes, hours in a process type temperature exposure).
Long Term Temperature Tolerance	93 °C	200 °F									Maximum temperature where tape supports at least 250 g load per 0.5 in² in static shear for 10,000 minutes. (Represents continuous exposure for days or weeks).

Static Shear	Test Condition
1000 g	Room Temperature
500 g	66°C (150°F)
500 g	93°C (200°F)
Property: Static Shear Method: ASTM D3654 Substrate: Stainless Steel notes: Tested at various temperatures and gram loadings. 0.5 in² (3.23 cm²). Will hold listed weight for 10,000 minutes (approximately 7 days).

Available Sizes

Property	Values		Attribute Modifier
Standard Roll Length	65.8 m	72 yd
Minimum Available Width	6.4 mm	0.25 in
Maximum Available Width	1219 mm	48 in
Normal Slitting Tolerance	±0.79 mm	±1/32 in
Core Size	76.2 mm	3 in	ID

Available Sizes

Converted Parts

In addition to standard and custom roll sizes available from 3M through the distribution network, 3M™ VHB™ Tapes are also available in limitless shapes and sizes through the 3M Converter network. For additional information, contact 3M Converter Markets at 1-800-223-7427 or on the web at www.3M.com/converter.

UL746C Listings

Solvent and Fuel Resistance

Design Considerations

Adhesion to the substrate is important in achieving bonding success. Adhesives must flow onto the substrate surfaces in order to achieve intimate contact area and allow the molecular force of attraction to develop. The degree of flow of the adhesive on the substrate is largely determined by the surface energy of the substrate. 3M™ VHB™ RP family tapes bond well to high (HSE) and medium (MSE) surface energy materials. The image below shows typical materials in these categories.
Achieving good contact is also important. The necessary thickness of tape depends on the rigidity of substrates and their flatness irregularity. While the 3M™ VHB™ Tapes will conform to a certain amount of irregularity, they will not flow to fill gaps between the materials. For bonding rigid materials with normal flatness, consider use of tapes with thickness of 45 mils (1.1 mm) or greater. As the substrate flexibility increases thinner tapes can be considered.
Using the right amount of tape is important to handle the expected stresses. Because 3M™ VHB™ Tapes are viscoelastic by nature their strength and stiffness is a function of the rate at which they are stressed. They behave stronger with relatively faster rate of stress load (dynamic stresses) and will tend to show creep behavior with stress load acting over a long period of time (static stresses). As a general rule, for static loads, approximately four square inches of tape should be used for each pound (57 cm² of tape per kg) of weight to be supported in order to prevent excessive creep. For dynamic loads a useful design factor is 12 lb/in2 (85 kPa) for most dynamic stresses in general applications.
Allow for thermal expansion/contraction. 3M™ VHB™ Tapes can perform well in applications where two bonded surfaces may expand and contract differentially. Assuming good adhesion to the substrates, the tapes can typically tolerate differential movement in the shear plane up to 3 times their thickness.
Bond Flexibility: While an advantage for many applications where allowing differential movement is a benefit, the tape bonds are typically more flexible than alternative bonding methods. Suitable design modifications or periodic use of rigid fasteners or adhesives may be needed if additional stiffness is required.
Performance in Severe Cold Temperature can be challenging. Applications which require performance at severe cold temperatures must be thoroughly evaluated by the user if the intended use will subject the tape product to high impact stresses. A technical bulletin “3M™ VHB™ Tape Cold Temperature Performance” (70-0707-3991-0) is available for additional information.

Handling/Application Information

Application Techniques

Clean: Most substrates are best prepared by cleaning with a 50:50 mixture of isopropyl alcohol (IPA*) and water prior to applying 3M™ VHB™ Tapes.
Exceptions to the general procedure that may require additional surface preparation include:
• Heavy Oils: A degreaser or solvent-based cleaner may be required to remove heavy oil or grease from a surface and should be followed by cleaning with IPA/water.
• Abrasion: Abrading a surface, followed by cleaning with IPA/water, can remove heavy dirt or oxidation and can increase surface area to improve adhesion.
• Adhesion Promoters: Priming a surface can significantly improve initial and ultimate adhesion to many materials such as plastics and paints.
• Porous surfaces: Most porous and fibered materials such as wood, particleboard, concrete, etc. need to be sealed to provide a unified surface.
• Unique Materials: Special surface preparation may be needed for glass and glass-like materials, copper and copper containing metals, and plastics or rubber that contain components that migrate (e.g. plasticizers).
Refer to 3M Technical Bulletin “Surface Preparation for 3M™ VHB™ Tape Applications” for additional details and suggestions. (70-0704-8701-5)
*Note: These cleaner solutions contain greater than 250 g/l of volatile organic compounds (VOC). Please consult your local Air Quality Regulations to be sure the cleaner is compliant. When using solvents, be sure to follow the manufacturer’s precautions and directions for use when handling such materials.
Pressure: Bond strength is dependent upon the amount of adhesive-to-surface contact developed. Firm application pressure develops better adhesive contact and helps improve bond strength. Typically, good surface contact can be attained by applying enough pressure to insure that the tape experiences approximately 15 psi (100 kPa) pressure. Either roller or platen pressure can be used. Note that rigid surfaces may require 2 or 3 times that much pressure to make the tape experience 15 psi.
Temperature: Ideal application temperature range is 70°F to 100°F (21°C to 38°C). Pressure sensitive adhesives use viscous flow to achieve substrate contact area. Minimum suggested application temperature for the 3M™ VHB™ Tape RP family is 50°F (10°C). Minimum application temperature does vary by 3M™ VHB™ tape family and ranges from 32°F to 60°F (0°C to 15°C)
Note: Initial tape application to surfaces at temperatures below these suggested minimums is not recommended because the adhesive becomes too firm to adhere readily. However, once properly applied, low temperature holding is generally satisfactory. To obtain good performance with all 3M™ VHB™ Tapes, it is important to ensure that the surfaces are dry and free of condensed moisture.
Time: After application, the bond strength will increase as the adhesive flows onto the surface (also referred to as “wet out”). At room temperature approximately 50% of ultimate bond strength will be achieved after 20 minutes, 90% after 24 hours and 100% after 72 hours. This flow is faster at higher temperatures and slower at lower temperatures. Ultimate bond strength can be achieved more quickly (and in some cases bond strength can be increased) by exposure of the bond to elevated temperatures (e.g. 150°F [66°C] for 1 hour). This can provide better adhesive wetout onto the substrates. Abrasion of the surfaces or the use of primers/ adhesion promoters can also have the effect of increasing bond strength and achieving ultimate bond strength more quickly.

Storage and Shelf Life

All 3M™ VHB™ Tapes have a shelf life of 24 months from date of manufacture when stored at 40°F to 100°F (4°C to 38°C) and 0-95% relative humidity. The optimum storage conditions are 72°F (22°C) and 50% relative humidity.
Performance of tapes is not projected to change even after shelf life expires; however, 3M does suggest that 3M™ VHB™ Tapes are used prior to the shelf life date whenever possible.
The manufacturing date is available on all 3M™ VHB™ Tapes as the lot number, typically marked on the core or on a label on the outer roll lap. The lot number, typically a 4 digit code, is a Julian date (Y D D D). The first digit refers to the year of manufacture, the last 3 digits refer to the days after January 1. Example: A lot number of 7266 (or 17266) would translate to a date of manufacture of Sept. 23 (266th day of year) in 2017.

Industry Specifications

UL 746C (File MH 17478)

Trademarks

3M and VHB are trademarks of 3M Company.

Family Group

	RP16	RP16F	RP25	RP25F	RP32	RP32F	RP45	RP45F	RP62	RP62F
Liner Color Attribute Modifier: Primary	White (printed)	Red (printed)	White (printed)	Red (printed)	White (printed)	Red (printed)	White (printed)	Red (printed)	White (printed)	Red (printed)
Color	Gray	Gray	Gray	Gray	Gray	Gray	Gray	Gray	Gray	Gray
Tape Thickness (mm)	0.4	0.4	0.6	0.6	0.8	0.8	1.1	1.1	1.6	1.6
Adhesive Type	Multi-Purpose Acrylic	Multi-Purpose Acrylic	Multi-Purpose Acrylic	Multi-Purpose Acrylic	Multi-Purpose Acrylic	Multi-Purpose Acrylic	Multi-Purpose Acrylic	Multi-Purpose Acrylic	Multi-Purpose Acrylic	Multi-Purpose Acrylic
Foam Type	Conformable Acrylic	Conformable Acrylic	Conformable Acrylic	Conformable Acrylic	Conformable Acrylic	Conformable Acrylic	Conformable Acrylic	Conformable Acrylic	Conformable Acrylic	Conformable Acrylic
Liner	DK Paper	PE Film	DK Paper	PE Film	DK Paper	PE Film	DK Paper	PE Film	DK Paper	PE Film
Liner Thickness (mm)	0.08	0.13	0.08	0.13	0.08	0.13	0.08	0.13	0.08	0.13

ISO Statement

This Industrial Adhesives and Tapes Division product was manufactured under a 3M quality system registered to ISO 9001 standards.

Information

Technical Information: The technical information, guidance, and other statements contained in this document or otherwise provided by 3M are based upon records, tests, or experience that 3M believes to be reliable, but the accuracy, completeness, and representative nature of such information is not guaranteed. Such information is intended for people with knowledge and technical skills sufficient to assess and apply their own informed judgment to the information. No license under any 3M or third party intellectual property rights is granted or implied with this information.

Product Selection and Use: Many factors beyond 3M’s control and uniquely within user’s knowledge and control can affect the use and performance of a 3M product in a particular application. As a result, customer is solely responsible for evaluating the product and determining whether it is appropriate and suitable for customer’s application, including conducting a workplace hazard assessment and reviewing all applicable regulations and standards (e.g., OSHA, ANSI, etc.). Failure to properly evaluate, select, and use a 3M product and appropriate safety products, or to meet all applicable safety regulations, may result in injury, sickness, death, and/or harm to property.

Warranty, Limited Remedy, and Disclaimer: 3M warrants for 24 months from the date of 3M shipment that 3M™ VHB™ Tape will be free of defects in material and manufacture. 3M MAKES NO OTHER WARRANTIES OR CONDITIONS, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OR CONDITION OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR ARISING OUT OF A COURSE OF DEALING, CUSTOM, OR USAGE OF TRADE. This warranty does not cover damage resulting from the use or inability to use 3M™ VHB™ Tape due to misuse, workmanship in application, or application or storage not in accordance with 3M recommended procedures (except to the extent 3M approves and issues a specific application warranty, for which the customer must apply, receive 3M approval, and meet all applicable warranty and process requirements, the additional details, terms, and conditions of which are available from 3M). If a 3M product does not conform to this warranty, then the sole and exclusive remedy is, at 3M’s option, replacement of the 3M product or refund of the purchase price.

Limitation of Liability: Except for the limited remedy stated above, and except to the extent prohibited by law, 3M will not be liable for any loss or damage arising from or related to the 3M product, whether direct, indirect, special, incidental, or consequential (including, but not limited to, lost profits or business opportunity), regardless of the legal or equitable theory asserted, including, but not limited to, warranty, contract, negligence, or strict liability.

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Product tags

3M VHB RP25 Acylic foam tape

Typical Physical Properties

Typical Performance Characteristics

Available Sizes

Available Sizes

Converted Parts

UL746C Listings

Solvent and Fuel Resistance

Design Considerations

Handling/Application Information

Storage and Shelf Life

Industry Specifications

Trademarks

Family Group

ISO Statement

Information

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