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Polyurethane Chain Extender Ethacure 300

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Polyurethane Chain Extender Ethacure 300

Name: Polyurethane Chain Extender Ethacure 300
Brand: EXCEEDCHEM
Price: 1 USD

Brand Name : EXCEEDCHEM

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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Polyurethane Chain Extender Ethacure 300

1. Introduction of polyurethane curing agent

Polyurethane curing agent refers to the polyisocyanate group-containing component in two-component polyurethane paint, which is called polyurethane curing agent abroad.

Model	FR22
Consistency	Polyurethane
Density(KG/M3)	19±6
Expansion Multiple(time)	Max. 80
Cuttable Time(30mm diameter)(minute)	Approx. 30
Optimal Application Temp.(℃)	+5~+35
Min. Application Temp.(℃)	+18~+25
Min Temp. of can(℃)	10
Tensile Strength(Aluminum Plate)(KPA)	120
Dimensional Stability	±3%
Water Permeability	none
Tack- free Time(minute)	Max. 10
Temp. Resistance(Long Term)(℃)	-30~+80
Temp. Resistance(Short Term)(℃)	-40~+110
Contents of formaldehyde and benzene	None
Thermal Conductivity(W/M.K)	0.042
Corrosion Resistance	Qualified
Fire Retardant Factor	B2
Toxicity after curing	None
Shelf Life(18~22℃, store upside) (Month)	9

2. Classification

(1) Adduct type, the most commonly used is the adduct of TDI and trimethylolpropane;

(2) Biuret polyisocyanate;

(3) Trimer type polyisocyanate, such as mixed trimer, HDI three Polymer, IPDI trimer. In addition, the dimer of IPDI is used as a curing agent for powder coatings.

3. Uses: wood paint, glass paint, plastic paint, metal paint, floor paint, physical objects such as wood, automobiles, airplanes, machinery, electrical appliances, instruments, plastics, leather, glass, hardware, etc. Drying time: surface dry 15-20min , Polishing for 3-4h, hard work <24h
Features: easy to dry, wear resistant, high hardness, good fullness, good flexibility, easy to sand, strong compatibility with solvents, stable performance

4. Disadvantages: Part of the polyurethane curing agent contains toxic free TDI substances. If it does not meet the standard, it is easy to cause harm to the surrounding environment and people. Common symptoms are: eye pain, tearing, conjunctival hyperemia, cough, chest tightness, shortness of breath, asthma, red papules, maculopapular rash , Contact allergy and other symptoms, long-term exposure may cause cancer.

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