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C9H14N2S2 Ethacure 300 Polyurethane Curing Agent

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C9H14N2S2 Ethacure 300 Polyurethane Curing Agent

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Model Number : ETHACURE300(DMTDA)

Certification : ISO9001

Place of Origin : China

MOQ : 1000kg

Price : FOB Shanghai usd8.0-9.0/kg

Payment Terms : L/C, T/T

Supply Ability : 1000mt/month

Delivery Time : 5-8working days

Packaging Details : 25kg/drum; 200kg/drum; 1000kg/IBC drum

Trade name : Ethacure 300

Mf : C9H14N2S2

Cas no. : 106264-79-3

Other names : DMTDA

Appearance : Light Yellow Transparent Liquid

Application : polyurethane elastomer cured crosslinking agent,polyurethane curing agent,Polyurethane elastomer

Product name : Dimethylthio toluene diamine(DMTDA) as curing agent for Plastic Track

Un no : 3082

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Ethacure 300 for Polyurethane Curing Agent, Chain Extender

1. Product Overview:

Dimethylthiotoulenediamine (DMTDA) is equivalent to Ethacure 300 (Albemarle). It is a liquid aromatic diamine with low chronic toxicity, is an effective curative for polyurethane cast elastomers.It is used in both hot and room-temperature casting. It can also be used as a slower chain extender for polyurethane urea and polyurea elastomers in reaction injection molding, structural reaction injection molding and hand-applied and spray coating applications, alone or in blends with DETDA curative.

2. Physical and chemical properties:

  • Appearance: Light yellowish liquid
  • Boiling point,():353
  • Density (g/cm3) @(20): 1.2
  • Pour point(): 4
  • Flash point():176
  • Viscosity,cps @ 20:690
  • Equivalent weight with isocyanates: 107
  • Equivalent weight with epoxy resins: 53.5

3. Quality standard:

  • Appearance: light yellowish liquid
  • Color value: 8
  • Diamine content(%): 99.0
  • Amine value(mgKOH/g): 525-535
  • Moisture(%): 0.1

4. Safety information:

  • Class: 9
  • Packing group: III
  • UN No.: 3082
  • EINECS NO.: 403-240-8

5. Packing size:

  • 25kg/steel drum
  • 200kg/steel drum
  • According to customer requirements, with special packaging

6. Considerations:

  • To be nitrogen-sealed, if cannot be used as a packaging, should be subject to nitrogen-sealed storage.
  • Avoid outdoor exposure or long-term placement under high temperature conditions.
  • This product is in storage, preferably above 0 centigrade degree, can guarantee the same long-term quality.
  • Darkens with time and exposure to air.

7. Processing:

Ethacure 300 is a low viscosity liquid that is ready for immediate use. Loading can be accomplised with simple hand pumps or gravity feed. Dry nitrogen should be used to blanket curative tanks.

8. % Theory

Selection of 95% theory is generally recommended. Lowering it to 85% theory will improve compression set and raise 300% modulus (tensile). Increasing to 105% theory will enhance tear strength and elongation.

9. Mix ratio

The following equiation calculates the amount of Ethacure 300 required for 100parts (by weight) of prepolymer.

% NCO×2.55×%Theory=Ethacure 300pph

%Theory is expressed as a decimal, i.e. 95% Theory is 0.95 for the calculation.

Product Tags:

Ethacure 300 Polyurethane Curing Agent


C9H14N2S2 Ethacure 300


106264 79 3 Ethacure 300

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