Blown Film

World’s Largest 7-Layer Die – Just One of Our Leading Edge Technologies

Davis-Standard supplies blown film extruders, extrusion lines and associated winders, dies and feedscrews for blown film processors around the globe. Our mono and multi-layer blown film technology is used for applications ranging from agriculture and greenhouse films, to packaging and shrink films, to stretch and collation films.

Our blown film offering is defined by maximum value with a global approach. We deliver more throughout the blown film process with high-performance extruders and equipment for processing EVA, LDPE and LLDPE films, as well as proven extrusion technology for SOE (slit-on-edge), BUR (blow-up ratio) and DDR (draw-down ratio) technology. We are proud to offer the industry’s largest seven layer blown film die, efficient WesJet air rings, precision gauge control, and world renown DSB® feedscrew designs.

Whether for construction and agriculture stretch films, medical and hygiene barrier films, industrial films and bags for heavy-duty applications or flexible packaging, Davis-Standard blown film capabilities are unsurpassed.

How can we help you?

  • Industrial films and bags
  • Barrier films
  • Can liners
  • Laminating films
  • Stretch films
  • Agricultural and membrane films
Industrial Films & Bags

Davis-Standard, LLC is the industry leader in developing innovative technology for large and wide blown film systems for industrial film and bag applications. There is no better blown film extruder for high output and low melt temperature than the MAC extruder with the DSB®II feedscrew. This extruder, specifically for blown film, leads to the best and most consistent melt quality (temperature uniformity to 2 degrees F and pressure variation <1%), which is necessary to achieve uniformity from large dies. Blown film die systems can oscillate up to 1.2 meters in diameter or remain stationary up to 2.1 meters in diameter. These systems produce controlled property films at wide widths with flat rolls.

Typical Specifications

Applications - Industrial overwraps, jumbo bags, pallet hoods
Widths - 2 to 5 meters  / 80 to 200 inches
Line Speeds - Up to 100 mpm / Up to 350 fpm
Thickness Range - 20 to 300 micron / 0.8 to 12 mil
Finished Roll Diameter - Up to 1.5 meters / Up to 60 inches
Output - 1000 to 2300 kg/h / 2000 to 5000 pph
Coextrusion - Mono, three and five layer systems
Features - Gusseting and folding, MAC extruders, DSB® screws, Centrex dies, WesJet TPC air ring, surface and dual turret winders, small and large roll winders, full automation

Barrier Films

Davis-Standard's blown film flexible packaging solutions for high-speed converting machinery lines are unsurpassed. This is especially true in the area of barrier films where roll geometry, thickness and layer uniformity lead to faster conversion speeds on pouch lines, FFS machines and laminating lines. Uniform layers enable cost-efficient use of expensive materials, and our blown film lines have proven effective in producing economical coextruded structures. Advantages such as stationary die systems, oscillating haul-offs, and roller-collapsing frames produce flat, smooth film and rolls. Our blown film systems are also known for consistent symmetric and asymmetric films.

Typical Specifications

Applications - Barrier films
Machine Configuration - 2380 mm 7-layer / 94-inch 7-layer
Nominal Layer Structure - 25 / 10 / 10 / 10 / 10 / 10 / 25
Die Diameter - 400 to 560 mm / 16 to 22 inches
BuR - 1.8 - 3.0:1     1.8 - 3.0:1
Max Web Width - 2300 mm / 90 inches
Typical Output - 350 - 575 kg/hr / 660 - 1265 lbs/hr
Thickness Range - 20 - 200µ / 0.8 - 8.0 mil
Materials to be Processed - LD, LLD, EVA, EVOH, PA, PP, lonomer, Tie

Can Liners

Davis-Standard understands the primary goal of can liner systems is output. Rates over 25 ppi and increased uptime are trademarks of our industry-leading blown film systems. Our die systems are stationary with oscillating haul-offs so that jumbo rolls can be made for off-line converting. Other advantages include:

  • Super air-cooled MAC extruders with a high-volume suction blower concept for superior cooling and low maintenance
  • Pre-wired control panels mounted on extruder base to reduce installation time
  • DSB®II feedscrews with high output mixing
  • Vertex dies for easy operator access and excellent uniformity to <5% before auto adjustment
  • Triple lip air rings and IBC for high cooling rates and increased bubble stability
  • Collapsing frames available as wood, covered slats or roller with partial or full gussets
  • Surface winders for large roll diameters

Typical Specifications

Applications - Trash bags, kitchen bags, composting bags
Widths - 1 to 3 meters / 40 to 120 inches
Line Speeds - Up to 120 mpm / Up to 400 fpm
Thickness Range - 12 to 75 micron / 0.5 mil to 3 mil
Finished Roll Diameter - Up to 1.5 meters / Up to 60 inches
Output - 500 to 700 kg/hr / 1000 to 2000 pph
Configurations - Single, dual and quad die systems
Features - Integrator full control system, Gravimetric layer ratio control, MAC extruders, DSB® screws, Vertex dies, WesJet air ring, surface

Laminating Films

Davis-Standard is a global extrusion leader in flexible packaging with lamination lines capable of 2000 feet per minute. We understand the needs for high-speed converting machinery, especially in the area of laminating films where roll geometry and layer uniformity leads to faster speeds on converting and laminating lines. Uniform layers enable cost-efficient use of expensive materials, and our lines have been effective in producing economical coex structures. Advantages such as stationary die systems, oscillating haul-offs, and roller-collapsing frames produce flat, smooth film and rolls. Our systems are also known for consistent symmetric and asymmetric films.

Typical Specifications
Applications Extrusion coating, dry bond laminating, metalizing or solution coating machines

Widths - 1.5 to 3 meters / 60 to 120 inches
Line Speeds - Up to 120 mpm / Up to 400 fpm
Thickness Range - 12 to 50 micron / 0.6 to 2 mil
Finished Roll Diameter - Up to 1.25 meters / Up to 50 inches
Output - 500 to 1200 kg/hr  / 1000 to 2500 pph
Coextrusion - Three and five-layer systems
Features - Integrator control system, gravimetric layer ratio control, MAC extruders, DSB® screws, Vertex dies, WesJet AutoPro air ring, surface and dual turret winders, small and large roll winders, full automation

Stretch Films

Davis-Standard understands stretch wrap systems. Whether cast or blown film, our technology is applied to all components. Roll geometry and unique small roll winders efficiently allow for high production rates by providing reliable, consistent automated roll handling. Die systems are stationary up to 1-meter in diameter. Oscillating haul-offs and roller collapsing frames produce flat, smooth film and rolls. Oscillating die and stationary haul-offs are also available. These systems produce symmetric and asymmetric films.

Specific to agricultural stretch films, our technology is focused on uniform quality and thickness. This provides excellent stretch properties with consistent cling levels, strong puncture resistance, high load retention for bale integrity, low oxygen and water permeability.

Typical Specifications

Applications - Bale wrap: 500 mm / 750 mm reels
3-Layer Configuration - 90 / 150 / 90 mm / 3 1/2-inch / 6-inch / 3 1/2-inch
5-Layer Configuration - 75 / 90 / 130 / 90 / 75 mm / 3-inch / 3 1/2-inch / 5-inch / 3 1/2-inch / 3-inch
Nominal Layer Structure - 15 / 70 / 15 or 10 / 20 / 40 / 20 / 10
Die Diameter - 790 - 850 mm / 31 - 34 inches
BuR - 2.45 - 2.65:1
Max Web Width - 3300 mm / 130 inch
Typical Output - 750 - 900 kg/hr / 1650 - 1980 lbs/hr
Thickness Range - 15 - 38µ / 0.6 - 1.5 mil
Materials to be Processed - LD, LLD, mLLD, EVA, and PIB injection

Agricultural & Membrane Films

When you think of agricultural (ag) films, think Davis-Standard. We offer extensive knowledge and proven solutions for large and wide blown film for a range of agricultural applications. There is no better extruder available for high output and low melt temperature than the MAC extruder with DSB®II feedscrew. This extruder, designed for blown film applications, leads to the best and most consistent melt quality (temperature uniformity to 2 degrees F and pressure variation <1%), which is necessary to achieve uniformity from large dies. The die systems can oscillate up to 1.2 meters in diameter or remain stationary up to 2.1 meters in diameter. These blown film systems produce controlled property films at wide widths with flat rolls.

Typical Specifications

Applications - Groundcovers, pond liners, mulch films, fumigation films, drop cloths, reflective films, greenhouse films, textured and smooth
Widths - Bubble circumferences from 5 to 25 meters /Bubble circumferences from 16 to 80 feet
Line Speeds - Up to 100 mpm / Up to 350 fpm
Thickness Range - .03 to 3 mm / 1.5 to 120 mil
Finished Roll Diameters - Up to 750 mm / Up to 30 inches
Output - 1,000 to 500 kg/hr / 2,000 to 10,000 pph
Coextrusion - Mono, three, five and seven-layer systems
Features - Gusseting and folding, MAC extruders, DSB® screws, Centrex dies, WesJet air ring, surface and dual turret winders, small and large roll winders, full automation