Laboratory Scale Polyurethane Processing

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

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

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
• 1000-5500 RPM Speed range
• Return line valves for pressure balancing

Optional Features

• Tank Agitation - Variable Speed Electric or Pneumatic
• Heat - 175 F (80 C) Temperature Limit (Electrically heated tank, supply and return hoses, tank agitation included)

Operator Controls

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

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

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
• Automatic operation with manual bypass

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 : Stainless Steel, Teflon, Silicone or EPDM

MODEL	L-2	L-5	L-10
OUTPUT	0.4 - 2.0 LB/MIN	0.5 - 5.0 LB/MIN	2.0 - 10.0 LB/MIN
RATIO	1:1 - 8:1	1:1 - 8:1	1:1 - 8:1
TANK CAPACITY	1 QT	2 QT	1 GAL
MIXING HEAD	M-100	M-100	M-200