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Erapol EMD750D

75D MDI PTMEG two component system based on a polyol curative. It has a longer potlife than most other MDI prepolymers and is normally used in applications that need thermal resistance and hydrolysis resistance.




Product Overview

The EMD750D is an MDI PTMEG prepolymer that is used to produce a 75D elastomer when cured with a polyol curative. It has a long potlife and is ideally suited to hand casting large parts. 

Product Specifications

% NCO: 19.5 ± 0.2
Specific gravity at 25°C: 1.14
Viscosity @ 25°C (cps): 400
Appearance: Clear yellow liquid
Primary Chemistry: MDI PTMEG Polyether

Features & Benefits

Long potlife
Good thermal resistance
Good hydrolysis resistance
Excellent mechanical properties


Foundry parts
Large parts that require a long potlife

Related Products

ERA Urethane Prepolymers

Era urethane prepolymers offer a complete range of polyurethane prepolymers for the cast elastomer industry. The chemcial backbones offered include isocyanates such as TDI and MDI, and polyol backbones such as PTMEG and PPG ethers, traditional esters, and higher-performance ester types such as caprolactones.

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