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Mass Loaded Vinyl (MLV) Acoustic Roll Stock Manufacturer for Sound Insulation Applications

Our Mass Loaded Vinyl (MLV) acoustic roll stock provides a flexible, space-efficient solution for reducing sound transmission in residential, commercial, and industrial environments. Available in various thicknesses, surface densities, and roll dimensions, MLV can be integrated into wall assemblies, ceilings, floors, doors, and equipment enclosures to meet project-specific sound insulation requirements. Custom roll sizes and packaging options are available to support building contractors, acoustic specialists, distributors, and OEM projects.

Loaded Vinyl Soundproofing
Loaded vinyl soundproofing stands as a flexible, high-density material built to block noise. Its main ingredient is PVC, blended with mineral fillers like barium sulfate and calcium carbonate...
Soundsulate Mass Loaded Vinyl
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Our white mass loaded vinyl soundproofing is a product that helps block noise. It is made from PVC and light-colored mineral fillers giving it a clean look. This makes it perfect for interior...
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Soundproofing Vinyl for Walls is an MLV product specially optimized for wall sound insulation, focusing on solving problems such as sound leakage and poor privacy in lightweight partition walls....
High Density MLV Noise Barrier
High Density MLV Noise Barrier is a professional sound insulation material designed for environments with strong noise. It is made from a higher density filler and reinforced PVC base material,...

Product Types & Structural Configurations

Category	Material Composition	Primary Acoustic Mechanism	Surface Profile & Backing Options
Standard Smooth MLV	Virgin PVC resin blended with high-purity barium sulfate mineral fillers	Unbacked limp mass converting airborne sound wave energy into thermal energy via internal viscous friction	Smooth matte finish on both sides
Foil-Faced MLV	Heavy MLV core fused with a reinforced aluminum foil layer	Dual-function mass sound barrier combined with radiant thermal reflection	Woven glass-cloth reinforced aluminum foil
Scrim-Reinforced MLV	MLV integrated internally with a high-tensile polyester mesh layer	Enhanced structural strength preventing elongation and tearing under high vertical suspension loads	Textured surface with embedded scrim grid
Self-Adhesive MLV	Standard or faced MLV coated with high-tack industrial acrylic pressure-sensitive adhesive (PSA)	Direct peel-and-stick application for metal panels, enclosures, and automotive bodies	Release liner protected backing

Technical Specifications & Performance

Parameter	MLV 0.5 lb/sq ft (2.5 kg/m2)	MLV 1.0 lb/sq ft (5.0 kg/m2)	MLV 2.0 lb/sq ft (10.0 kg/m2)	Foil-Faced Composite MLV
Nominal Thickness	1.2 mm	2.5 mm	5.0 mm	3.0 mm
Sound Transmission Class (STC)	20 dB	26 dB	31 dB	28 dB
Weighted Sound Reduction Index (Rw)	21 dB	27 dB	32 dB	29 dB
Fire Performance Rating	ASTM E84 Class A / EN 13501-1 B-s1, d0	ASTM E84 Class A / EN 13501-1 B-s1, d0	ASTM E84 Class A / EN 13501-1 B-s1, d0	ASTM E84 Class A / EN 13501-1 B-s1, d0
Tensile Strength	> 3.5 MPa (ISO 527-2)	> 4.2 MPa (ISO 527-2)	> 4.5 MPa (ISO 527-2)	> 8.0 MPa (Reinforced)
Tear Resistance	> 15 N/mm	> 18 N/mm	> 22 N/mm	> 35 N/mm
Operating Temperature Range	-20 deg C to +70 deg C	-20 deg C to +70 deg C	-20 deg C to +70 deg C	-30 deg C to +100 deg C
Standard Roll Widths & Lengths	1.0 m / 1.2 m width x 10 m length	1.0 m / 1.2 m width x 5 m / 10 m length	1.0 m width x 5 m length	1.2 m width x 10 m length
Environmental Compliance	RoHS, REACH, Low VOC	RoHS, REACH, Low VOC	RoHS, REACH, Low VOC	RoHS, REACH, Low VOC

Target Applications

The company conducted a competitive advantage analysis to identify its strengths and weaknesses compared to its rivals.

Drywall & Stud Wall Assemblies

MLV installed sandwiched between double layers of drywall or directly over studs blocks mid-to-low frequency sound transmission in partition walls.

HVAC Duct & Pipe Lagging

Foil-faced MLV wrapped around metal ductwork and fluid piping dampens breakout noise and fluid turbulence vibration.

Mechanical Enclosures

Heavy-density MLV sheets lined inside steel or aluminum equipment hoods suppress high-decibel motor and compressor noise.

OEM Component Linings

Die-cut MLV profiles integrated directly into machinery access panels and automotive interior bulkheads.

Customization & Installation Engineering

OEM Fabrication Options
Mass & Density Customization: Formulations calibrated from 1.5 kg/m2 to 10.0 kg/m2 based on engineering attenuation targets.

Precision Slitting & Die-Cutting: Roll widths slit from 300 mm up to 1500 mm. Custom die-cut shapes supplied with or without pre-applied adhesive backing.

Scrim Integration: Internal woven fiberglass or polyester mesh insertion to increase tensile load limits for vertical suspended barriers.

Edge Finishing: Pre-applied grommet zones or overlap flanges for mechanical fastening.

Field Installation Methods
Mechanical Fastening (Studs): Fasten MLV to wood or metal studs using large-head roofing screws or pneumatic staples with neoprene washers to prevent pull-through under roll weight.

Seam Sealing: Overlap adjacent roll edges by minimum 50 mm (2 inches). Seal all seams completely with acoustic caulk and high-tack pressure-sensitive tape to eliminate sound flanking paths.

Pipe Lagging Wrap: Wrap foil-faced MLV tightly around pipes, securing overlap seams with aluminum foil tape and stainless steel banding straps at 300 mm intervals.

Quality Control & Compliance

Our production line utilizes automated continuous gravimetric dosing and laser gauging systems to maintain strict density uniformity and physical tolerances across every production batch.
[ High-Purity Barium Sulfate + Virgin PVC Resin ]
[ Gravimetric Inline Dosing ] ─── Real-time ratio monitoring
[ Continuous Calendering ] ─── Automated laser thickness scanning
[ Tensile & Flammability Testing ] ── ISO 10140 / ASTM E84 compliance audit
[ Core-Wound Roll Packaging ]

Dimensional & Weight Tolerances: Automated laser sensors monitor thickness continuously, maintaining mass distribution within +/- 3% of target specifications.

Fire Safety Compliance: Fully tested and certified to meet ASTM E84 Class A flame spread index (< 25) and smoke development index (< 50), as well as European standard EN 13501-1 (Class B-s1, d0).

Material Testing & Odor Control: Every production lot undergoes tensile strength, tear resistance, cold-bend testing down to -20 deg C, and VOC emission verification (complying with EN 717-1 thresholds using non-toxic phthalate-free plasticizers).

Packaging & Project Supply Chain

To prevent telescoping, edge deformation, and moisture damage during international ocean transit, all roll stock is packed according to rigorous export standards.

Core Support: Wound on heavy-duty thick-walled cardboard cores
Protective Wrap: Sealed in thick polyethylene moisture film and kraft paper
Palletization: Horizontally stacked on fumigated wooden pallets or plastic skids, secured with corner edge protectors and heavy stretch banding

Container Capacity:
- 20ft GP Container: Approx. 18,000 - 20,000 kg (Weight-limited)
- 40ft HQ Container: Approx. 26,000 kg (Maximum payload limit)

Certificate

FAQ

Q: What is the primary physical characteristic that allows MLV to block sound effectively?

A: Mass Loaded Vinyl achieves high sound attenuation through high material density (utilizing heavy mineral fillers like barium sulfate) combined with limp viscoelastic flexibility. This combination absorbs and dissipates acoustic energy via internal friction rather than vibrating in sympathy with sound waves.

Q: How do I select the correct surface weight (kg/m2) for my project?

A: Selection depends on required STC performance targets and structural load limits. A 2.0 to 3.0 kg/m2 grade is standard for residential interior partitions, while 5.0 to 10.0 kg/m2 grades are specified for commercial recording studios, industrial machinery enclosures, and heavy-duty pipe lagging.

Q: Do your MLV products emit a strong chemical odor when installed indoors?

A: No. Our formulations utilize virgin PVC resins and non-toxic, phthalate-free plasticizers. VOC emissions strictly conform to EN 717-1 standards, ensuring no harsh chemical odors are released in enclosed residential or office environments.

Q: What roll dimensions and custom slitting options are available for wholesale orders?

A: Standard roll widths are 1.0 m and 1.2 m, with lengths of 5 m or 10 m. We offer custom slitting down to widths of 300 mm and precision die-cut sheets mapped to specific OEM technical drawings.

Q: How should vertical wall joints be sealed to prevent acoustic flanking?

A: Adjacent roll edges must overlap by at least 50 mm (2 inches). All overlap seams and fastener penetrations must be sealed completely using acoustic dampening caulk and high-tack pressure-sensitive tape to maintain an airtight acoustic barrier.

Q: What is the standard production lead time for full container load (FCL) orders?

A: Standard production lead time for 20ft or 40ft container loads (18,000 kg to 26,000 kg) is 12 to 15 business days following order and technical drawing confirmation.

Guangzhou MQ Acoustic Materials Co., Ltd. is one of the most professional mass loaded vinyl manufacturers and suppliers in China, featured by quality products and low price. Welcome to buy CE approved mass loaded vinyl in stock here and get quotation from our factory. We also accept customized orders.

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