Low-VOC HVAC Cylinder Spray Adhesive:
Magna Tack Cylinders MT- SC, LC, 200
The 50-State Compliant “Swiss Army Knife” for Insulation & Construction
Magna Tack (MT) redefines what contractors expect from a flammable cylinder adhesive. While competitor products often struggle to meet strict environmental regulations—forcing distributors to stock different SKUs for different states—Magna Tack is engineered with a MIR 50-State Compliant formula. This allows for a single, universal adhesive solution that creates permanent bonds anywhere in the country, regardless of local air quality restrictions.
High-Solids but Low VOCs Engineering for Heavy-Duty Bonds
Efficiency drives profitability. Magna Tack features ≈ 42% Solids content, significantly higher than standard economy sprays. This high-solids formulation delivers more active adhesive with every pass, creating a web-spray pattern that bridges gaps on porous surfaces like duct board and fiberglass without soaking in. Despite its aggressive strength, MT-LC maintains an ultra-low VOC profile of just 2.45 g/L (formula). This protects user safety and indoor air quality without sacrificing the tack required for industrial applications.
| KEY FEATURE / SPECIFICATION |
TRADE BENEFIT / RESULT |
| MIR 50-State Compliant |
Universal Logistics: Fully legal in all 50 states. Eliminates shipping restrictions and the need for regional SKUs, unlike standard California-only compliant adhesives. |
| Rapid Tack & Open Time |
Instant Grab for Speed: Solvent flashes in 15-30 seconds with a ~1 minute open time. Designed for high-speed production where immediate hold is required. (Times vary based on humidity, temperature, and coating weight). |
| High Solids Content: >40% |
Superior Yield & Bridging: Delivers a heavier adhesive load per spray. Bridges gaps on porous fiberglass and duct board without soaking in, ensuring a permanent bond with less product usage. |
| Multi-Substrate Versatility |
The “Swiss Army Knife” Bond: Goes beyond duct liner. Securely bonds wood, urethane, rubber, glass, ceramic, plastic, and Formica. |
| Ultra-Low VOC Formulation |
Industrial Safety: Engineered to meet strict air quality standards while maintaining the aggressive tack required for heavy-duty HVAC and construction applications. |
| Web Spray Pattern |
Control & Speed: Ensures precise application with minimal overspray. Fast tack-up allows for immediate handling and mating of materials. |
| Recommended Tips |
Optimized Flow: For best results with this high-solids formula, use Tip 6501 or Tip 730116. Both come in SPG-AG, try both to determine which works best for your needs. |
| Waterproof & Non-Staining |
Long-Term Durability: Safe for use on exposed surfaces and in environments subject to humidity or temperature fluctuations. |
Part Number Reference:
Select the right cylinder size for your job, and don’t forget the hose, spray gun and universal adhesive remover to keep you spraying.
1. Select Your Cylinder
| PART # |
NET WEIGHT |
APPLICATION FIT |
| MT-SC |
11 lbs |
Portable / Service: Lightweight disposable tank for rooftops, smaller installations and repair work. |
| MT-LC |
35 lbs |
Shop Standard: The #1 choice for fabrication shops. Best balance of mobility and volume. |
| MT-200 |
180 lbs |
Production: High-volume stationary setup for automated lines or large duct runs. |
2. Accessories – Performance Equipment for Magna Tack
| Spray Gun |
SPR-AG
Professional Adjustable Spray Gun (Comes with Tip 6501 & 730116) |
| Recommended Tip |
6501 or 730116
Essential for proper web pattern with Magna Tack’s high-solids content, try both to determine which works best for your needs. |
| Hoses |
THA- 6, 12, 18
Teflon Hose Assemblies (Available in 6ft, 12ft, and 18ft lengths) |
| Cleanup |
UAR-SC
Adhesive Remover Spray (Essential for cleaning gun tips and overspray) |
Contractors: Please contact your local Vapco distributor for pricing and availability.
Directions for Low-VOC HVAC Cylinder Spray Adhesive (MT):
Pre-Application Checklist (Safety & Setup)
This section ensures job-site safety and optimal bond strength for the high-solids, fast-tack formula.
- Ventilation is Key: While Low-VOC, this is an industrial solvent-based adhesive. Use in a well-ventilated area to ensure proper drying and user safety. Consult the SDS for required PPE.
- Surface Preparation: Ensure both surfaces are clean, dry, and completely free of dirt, oil, grease, or moisture.
- Temperature Check: Maintain the adhesive and substrate temperature between 60°F – 90°F. Note: Cold cylinders will drop in pressure and result in poor spray patterns.
- Fire Safety: Keep the work area clear of ignition sources, heat, open flames, and sparks during application.
Application Procedure (Cylinder Use)
This procedure ensures maximum yield and creates the “permanent bond” Magna Tack is known for.
- Hose, Gun & Tip: Attach the hose and spray gun (SPG-AG). CRITICAL: Use Tip 6501 or Tip 730116. These tips are engineered to atomize the high-solids content (42%) into a proper web pattern.
- Maintain Distance: Hold the spray gun nozzle 6–10 inches from the surface.
- Spray Technique: Apply a uniform web coat of Magna Tack to both surfaces (contact bond style), ensuring 80-100% coverage. Use a steady, sweeping motion.
- Allow to Tack (Rapid Flash-Off): Wait 15–30 seconds.
- Bond Immediately (The 1-Minute Window):
- WARNING: You have an open time of approximately 1-3 minutes.
- Once the solvent flashes (15-30s), mate the materials immediately.
- Do not spray large sections that you cannot assemble within 60-90 seconds.
- Apply Pressure: Press firmly across the entire surface, working from the center outward to eliminate air bubbles and ensure total contact.
⚠️ Important Production Note: Because of the rapid tack time, Magna Tack is ideal for high-speed production lines. Do not wait! If the adhesive dries beyond the 1-minute window, re-apply a light coat to reactivate the surface before bonding.
Post-Bonding and Cleanup
- Handling Strength: The bond forms immediately upon contact. Parts can typically be processed or moved right away due to the fast-tack formulation.
- Full Cure Time: Allow 24 hours for the bond to achieve maximum structural integrity and chemical resistance.
- Cleanup: If the cylinder will sit for more than a few days without use, close the valve, purge the hose/gun, and connect to UAR-SC (Universal Adhesive Remover) to clean the components. This prevents the high-solids formula from clogging your gun.
FAQs
Frequently Asked Questions: Magna Tack (MT)
Application & Performance
Q: What spray tip should I use for Magna Tack? A: Because Magna Tack has a very high solids content (>40%), you must use specific tips to ensure a proper web pattern. We recommend Tip 6501 or Tip 730116. Different tips may cause sputtering, streaming or uneven coverage due to the thickness of the adhesive.
Q: What is the tack time and open time? A: Do not wait! Magna Tack is engineered for high-speed production. It flashes off in just 15–30 seconds. Once tacky, you have a short open window of approximately 1 minute to mate the surfaces. If you wait too long, the adhesive will lose its grab.
Q: Can I use this on Styrofoam or Polystyrene? A: Generally, No. Like most solvent-based industrial adhesives, the carrier solvents can attack low-density polystyrene foam (EPS). However, it is excellent for Urethane foam, rubber, and fiberglass. Always perform a small patch test before using on sensitive plastics.
Q: Is this a “Contact Adhesive”? Do I spray one side or two? A: Yes, this is a true contact adhesive. For a permanent, industrial-grade bond, you must spray a uniform web coat on BOTH surfaces (the substrate and the material). Allow 15-30 seconds to tack, then compress them together immediately.
Q: How does the High Solids content benefit me? A: Standard adhesives are often ~20-30% solids, meaning you are paying for a lot of solvent that just evaporates. Magna Tack is >40% solids. This means more actual glue stays on the surface, bridging gaps in porous duct liner better and requiring fewer passes to get a strong bond.
Trouble Shooting
Q: Why is the spray pattern inconsistent or “spitting”?
A: This usually indicates one of a few things:
1. Wrong Tip: You must use Tip 6501 or 730116. Smaller tips cannot handle the high-solids flow.
2. Cold Cylinder: The adhesive is too cold. Maintain the cylinder between 60°F – 90°F. If the cylinder is cold, the pressure drops, and the adhesive thickens, leading to a poor spray pattern.
3. Clogged Equipment: Clogged Equipment: if the hose or tip sit too long with product not being used the glue can start to setup and cause flow issues, use universal adhesive remover UAR-SC to purge the hose and tip of dry adhesive.
Q: Why is my bond failing?
A: Production Speed: If the bond is failing, you are likely waiting too long. Mate the materials within 60 seconds of spraying.
Safety & Compliance
Q: Is Magna Tack Flammable? A: During Application: YES. The solvent carrier (Methyl Acetate) is flammable. You must keep the spray area free of sparks, pilot lights, and open flames.
After Curing: NO. Once the solvent evaporates (which happens very quickly), the remaining adhesive bond line is non-flammable.
Q: Does this product contain Methylene Chloride or Perc? A: No. Magna Tack is free of chlorinated solvents, including Methylene Chloride and Perchloroethylene. This makes it a safer, lower-toxicity option compared to older chemical formulas.
Q: Can I sell or use this product in California? A: YES. Unlike many competitors, Magna Tack is MIR 50-State Compliant. It meets the strict Low-VOC air quality regulations of California (SCAQMD), Utah, and the OTC states, allowing for unrestricted use nationwide.
Q: What is the VOC content? A: Magna Tack is an Ultra-Low VOC formula containing approximately 2.45 g/L (formula basis). This is significantly lower than standard flammable contact adhesives, which helps facilities meet “Green Building” and LEED standards.
Logistics & Storage
Q: What is the shelf life of a cylinder? A: Magna Tack cylinders have a manufacturer warranty of 1 year from the date of manufacture when stored correctly. Always store cylinders off the concrete floor in a cool, dry area. Do not expose to temperatures above 120°F (49°C).
Q: Is this product affected by the EPA “Sunset Dates”? A: No. While other adhesives (like those containing HFCs or Perc) face bans in 2026/2027, Magna Tack is a future-proof formula. It has no upcoming EPA phase-out dates, making it a secure long-term solution for your inventory.
Q: What sizes are available? A: The standard size for industrial fabrication is:
Q: How do I dispose of the cylinder? A: The MT-LC is a non-refillable DOT 39 cylinder. Once empty, turn the valve open to release any remaining pressure, punch the knock-out plug (if equipped) or follow your local scrap metal recycling guidelines for empty steel pressure vessels. Never incinerate or puncture a pressurized cylinder.
Technical Data
⚠️ MT CYLINDER – TECHNICAL DATA REPORT – DOWNLOAD
Field Guide: Substrate Compatibility Matrix
Magna Tack’s MIR 50-State Compliant formula creates permanent, industrial-grade bonds across diverse substrates.
| SUBSTRATE A |
SUBSTRATE B |
BOND TYPE |
PERFORMANCE / WHY IT WORKS |
| Fiberglass Duct Liner / Duct Board |
Galvanized Steel / Aluminum |
Permanent |
High Solids (>40%) creates a dense web that sits on top of porous insulation, ensuring maximum contact without soaking in. |
| Reflective Insulation (Bubble Foil / Wrap) |
Sheet Metal / Duct Work |
Permanent |
Low-VOC solvent system provides rapid flash-off and excellent bite on foil surfaces without damaging the insulation core. |
| Rubber Sheeting / Urethane Foam |
Metal / Wood / Concrete |
Permanent |
Flexible cured film accommodates expansion and contraction without cracking or losing adhesion. |
| Wood / Plywood / Particle Board |
HPL / Laminate / Plastics |
Permanent |
Aggressive tack allows for immediate machining. Water-resistant bond prevents delamination in humid environments. |
1. Physical & Chemical Properties
| PROPERTY |
SPECIFICATION |
| Solids Content (by weight) |
> 40% (High Solids) |
| Solvent System |
Methyl Acetate (Low-VOC) |
| Flammability (Wet / Application) |
Flammable: Solvent carrier is flammable. Keep away from sparks, pilot lights, and open flames during spray application. |
| Flammability (Dry / Cured) |
Non-Flammable: Once solvent flashes off, the remaining adhesive bond line is non-flammable. |
| Color / Appearance |
Clear / Amber |
| VOC Content |
Ultra-Low (Formula: ~2.45 g/L) |
| Service Temperature Range |
-20°F to 200°F (-29°C to 93°C) |
2. Application & Performance Metrics
| METRIC |
PERFORMANCE DATA |
| Tack Time (Flash-Off) |
15 – 30 Seconds (Rapid Tack) |
| Open Time (Working Window) |
~ 1 Minute (Immediate Mating Required) |
| Handling Strength |
Immediate after adjoining compatible substrates |
| Cleanup Solvent |
Universal Adhesive Remover (UAR-SC) or Mineral Spirits |
3. Logistics & Compliance Checklist
| ITEM |
DETAILS / CLASSIFICATION |
| Regulatory Status |
MIR 50-State Compliant (No Regional Restrictions) |
| SCAQMD Rule 1168 |
Meets Low-VOC Requirements |
| Methylene Chloride |
None (Contains No Chlorinated Solvents) |
| UN Number / Shipping Name |
UN3501, Chemical Under Pressure, Flammable, N.O.S. (Methyl Acetate) |
|
Non-refillable, disposable cylinder
|
DOT 39 NRC. Federal law prohibits transportation if refilled – penalty up to $500,000 and 5 years imprisonment (49 U.S.C. 5124). |
4. Estimated Structural Performance Data*
| METRIC (ASTM Type) |
LAB ESTIMATED VALUE |
| Peel Strength (180° Peel) (Aluminum to Fiberglass) |
20 – 25 PIW (Pounds per Inch Width) |
| Shear Strength (Static Load) (Wood to Wood) |
> 150 PSI (Pounds per Square Inch) |
| Adhesion Failure Mode (Typical) |
Substrate Failure (Adhesive bond exceeds strength of low-density materials) |
*Vapco has not run certified laboratory tests (e.g., ASTM) to verify these specific metrics. Performance will vary based on application technique, substrate material composition, temperature, humidity, and curing conditions.
