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Laboratory Scale Polyurethane Processing

L-Series
Laboratory Scale

ESCO's L-Series lab-scale polyurethane processing machinery is ideal for material or product development as well as small pilot production applications

  • Overview
  • DML Specifications
  • HPL Specifications
  • Model Specifications

Overview

ESCO's L-Series lab-scale polyurethane processing machinery is ideal for material or product development as well as small pilot production applications

Laboratory Scale dispensers boast a small footprint with small volume tanks utilizing a full production scale mix head for direct development to production scale-up.

Common Applications

Material Development, Additive Development, Product Prototyping

Commonly Processed Materials

Flexible Foam, Rigid Foam, Blowing Agent Development, Cast Elastomers, Silicones

Download Brochure

DML - Laboratory Scale Brochure [Downloadable PDF][Opens in New Window]

HPL - Laboratory Scale Brochure [Downloadable PDF][Opens in New Window]

DML General Specifications

  • 3-Way valves for material injection and recirculation
  • Plunger style solvent injector valve
  • Spiral gear mixer and threaded outlet nozzle
  • Mechanical-type shaft seal with static bearing lubrication
  • Servo-motor drive with variable speed control
  • 1000-6000 RPM Speed range
  • Return line valves for pressure balancing

Optional Features

  • Automatic Flush with manual backup
  • Tank Agitation - Fixed Speed Electric
  • Heat - 175 F (80 C) Temperature Limit - Electrically heated tank, supply and return hoses, tank agitation included
  • Flow Meter - Positive displacement gear or helical gear
  • Upgrade Wetted Parts - Stainless Steel
  • Custom options available upon request

Operator Controls

  • Allen Bradley PLC mounted to front panel of machine
  • Operator Interface Terminal
  • Mixing Head Operator buttons

Solvent Flush System

  • 2-Gallon (7.5L) Stainless tank rated to 100 PSI
  • Blanket pressure regulator with relief and shutoff valving
  • Reinforced nylon supply hose to mixing head
  • Recommened Solvent : DBE or similar
  • Manual operation with optional automatic

Component Specifications

  • A-Comp Viscosity : 3,000 CPS @ 75 F (24 C)
  • B-Comp Viscosity : 3,000 CPS @ 75 F (24 C)
  • Pumps: Gear
  • Speed Control : Variable AC (1/4 HP)
  • A-Comp Strainer : 100 Mesh
  • B-Comp Strainer : 60 Mesh
  • Wetted Parts : Carbon Steel Standard
  • Elastomers : Teflon, Silicone, or EPDM

Power Requirements

  • Power : 480V / 3P / 60Hz
  • Compressed Air : 90-100 PSI @ 10 SCFM
  • Nitrogen : > 20 PSI @ 20 CFM or Dry Air @ 40F (5C) Dew Point or better

HPL General Specifications

  • Double Tilted Rear Chamber Mixing System
  • Anti stick locking design
  • Mechanical stroke adjustment
  • Includes single set of adjustable mixing nozzles sized to material being mixed
  • Minimum 10-second dwell between shots

Optional Features

  • Automatic Flush with manual backup
  • Tank Agitation - Fixed Speed Electric
  • Heat - 175 F (80 C) Temperature Limit - Electrically heated tank, supply and return hoses, tank agitation included
  • Flow Meter - Positive displacement gear or helical gear
  • Upgrade Wetted Parts - Stainless Steel
  • Custom options available upon request

Operator Controls

  • Allen Bradley PLC mounted to front panel of machine
  • Operator Interface Terminal
  • Mixing Head Operator buttons

Hydraulic Power Unit

  • 5 HP variable speed motor to ramp down the motor speed to conserve energy and reduce heat generation
  • 1-gallon bladder type accumulator
  • 5-gallon fluid reservoir with air-cooled heat exchanger

Component Specifications

  • A-Comp Viscosity : 2,000 CPS @ 75 F (24 C)
  • B-Comp Viscosity : 2,000 CPS @ 75 F (24 C)
  • Pumps: Fixed Displacement Rotary Piston
  • Speed Control : Variable AC (3 HP)
  • Filtration : 100 Micron
  • Wetted Parts : Carbon Steel Standard
  • Elastomers : Teflon, Silicone, or EPDM

Power Requirements

  • Power : 480V / 3P / 60Hz
  • Compressed Air : 90-100 PSI @ 10 SCFM
  • Nitrogen : > 20 PSI @ 20 CFM or Dry Air @ 40F (5C) Dew Point or better
MODEL DML-2 DML-5 DML-10 HPL-10
OUTPUT 0.4 - 2.0 LB/MIN 0.5 - 5.0 LB/MIN 2.0 - 10.0 LB/MIN 4.0 - 10.0 LB/MIN
RATIO 1:5 to 1:1 to 5:1
TANK CAPACITY 1 QT 2 QT 1-2 GAL 1-2 GAL
MIXING HEAD M-100 M-100 M-200 DTRC-0608
Filled Systems

Filler Fed Dynamic Mixing

Engineered Systems

Dispensing Systems

Elastomer Processing

Elastomer Processing

Lab-Scale High Pressure RIM

High-Pressure

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