Sinomer® PM839

Characteristic Monomer, Epoxy Hardeners & Accelerator, Polythiol/Polymercaptan/Thiol compounds, Sinepoxy® Epoxy System, Sinomer® Functional monomers

SINOMER®PM839 is a transparent liquid polymer curing agent with thiol (-SH) termination. Excellent properties when combined with amines or polyamines to cure epoxy resins. Provides fast cure rates at low temperatures and in thin films.

For more details of our polythiol products , please click: The first choice epoxy resin curing agent for low temperature and rapid curing/polymercaptan/

SINOMER® PM839

CAS No.: 72244-98-5

Chemical Name: Poly[oxy(methyl-1,2-ethanediyl)],.alpha.-hydro-.omega.-hydroxy-, ether with 2,2-bis(hydroxymethyl)-1,3-propanediol (4:1), 2-hydroxy-3-mercaptopropyl ether

Synonyms: Capcure 3-800;GABEPRO GPM-800;Polythiol QE-340M;Thiocure 1200;Polythiol;Polymercaptan

Molecular structure：

Standard :

Appearance	Colorless transparent liquid
Viscosity (25℃) , mPas	12000~14000
APHA Color	≤20

Features :

High viscosity, low chrominance, and low odor
Good transparency after curing

Application areas :

Epoxy resin low-temperature rapid curing agent
PV silicon wafer processing
Bonding agent for jewelry and craftwork
Electronic adhesives
Anticorrosive coating
Can be combined with Sinepoxy® BER-128 (thiol curing agent) and Sinepoxy®DMP-30 (accelerator) to form a low-temperature fast epoxy curing system.

Other Polythiol/Polymercaptan related products :

Product Name	Cas No.	Chemical Name	Synonyms
▶Sinomer® PETMP	7575-23-7	Penta-erythritol tetrakis(3-mercaptopropionate)	THIOCURE PETMP; PET-3-MP;Tetra (3-mercaptopropionate)
▶Sinomer® BMES	3570-55-6	Bis(2-mercaptoethyl) sulfide; Dimercapto diethyl sulfide; 2,2′-Thiodiethanethiol;	THIOCURE DMDS; Polythiol DMDS
▶Sinomer® BMPT	131538-00-6	2,3-bis((2-mercaptoethyl)thio)-1-propanethiol	THIOCURE DMPT; Polythiol DMPT
▶Sinomer® PM839	72244-98-5	Poly[oxy(methyl-1,2-ethanediyl)],.alpha.-hydro-.omega.-hydroxy-, ether with 2,2-bis(hydroxymethyl)-1,3-propanediol (4:1), 2-hydroxy-3-mercaptopropyl ether	Capcure 3-800; GABEPRO GPM-800; Polythiol QE-340M; Thiocure 1200

Package :

Packing:25kg/drum or 220 kg/drum
Delivery:with in 5-7 working days.

Storage :

Being kept in dry, clean warehouse with well ventilation.

Avoid exposing to light and heating.

Protecting the product from leakage, rain and insolation during transportation.

How Can We Help?

We offer a variety of options to help you find the right product for your application

WHY CHOOSE SINOCURE?

Customized development

Provide formulation optimization support for water-based/solvent-based systems
Global compliance

Full coverage of REACH, FDA, and GB standards
Stable supply

99.8% on-time delivery rate, 10,000-ton production capacity guarantee

Sinepoxy® AA-160

Epoxy Hardeners & Accelerator, Sinepoxy® Epoxy System

Sinepoxy AA-160 is a latent accelerator that can reduce curing temperature and shorten reaction time.

Chemical Name: :

Latent Epoxy Curing Accelerator
Assay , % :

≥95.0
Molecular weight :

223.1

Sinomer® UVU6203CA-3DE

3D Printing Dual-Cure Polyurethane-Polyurea Elastomer, Epoxy Hardeners & Accelerator, Polyurethane Modified Acrylate, Sinepoxy® Epoxy System, Sinomer® UV Oligomer

SINOMER UVU6203CA-3DE is an epoxy-modified cycloaliphatic amine methacrylate curing agent with moderate viscosity, low odor, light color, and anti-yellowing properties.

Product description: :

Dual-Cure Epoxy-Modified Cycloaliphatic Amine Methacrylate Curing Agent
Viscosity (cps@25°C) :

3,500–6,000
Amine Value (mg KOH/g) :

280–350

Sinomer® PETMP

Characteristic Monomer, Epoxy Hardeners & Accelerator, Polythiol/Polymercaptan/Thiol compounds, Sinepoxy® Epoxy System, Sinomer® Functional monomers

SINOMER® PETMP is a tetrathiol functional monomer.

Chemical name: :

PETMP
CAS No. :

7575-23-7
MF :

C17H28O8S4
Package :

25 or 250 kg/ drum

Sinepoxy® YX 4000

Cationic Resins & Oxetane Monomers, Other functional epoxy resins, Sinepoxy® Epoxy System

Sinepoxy® YX 4000 is a diglycidyl ether epoxy resin containing a biphenyl structure.

Chemical Name: :

2,2'-((3,3',5,5'-tetramethyl-(1,1'-biphenyl)-4,4'-diyl)-bis(oxymethylene))-bis-oxirane
Cas No. :

85954-11-6
MF: :

C22H26O4
MW: :

354.44
Package :

20kgs/carton

Sinepoxy® PER-DF638

Other functional epoxy resins, Sinepoxy® Epoxy System

PER-DF638 is a semi-solid reaction product of epichlorohydrin and phenol-formaldehyde novolac.

Chemical Name: :

Phenolic Epoxy Resin
Epoxy equivalent :

174-180 g/mol
Viscosity @25°C :

H-K cps

Sinepoxy® EPR-510

Other functional epoxy resins, Sinepoxy® Epoxy System

SINEPOXY® EPR-510’s molecular structure is similar to that of bisphenol A epoxy resin,

Chemical Name: :

Hydrogenated Bisphenol A Epoxy Resin
Epoxy value :

0.43-0.48 eq/100g
Viscosity @25°C :

1000-3500 mPa.s

Sinepoxy® EFM-10

Epoxy Hardeners & Accelerator, Sinepoxy® Epoxy System

The structure of tertiary glycidyl carbonate makes it a unique modifier for coating resins.

Chemical Name: :

Glycidyl neodecanoate;Neodecanoic Acid Glycidyl Ester
Epoxy amount (mmol/kg) :

4100-4300
Epoxy molar mass g/mol :

233-244
:

Sinepoxy® DMP-30

Epoxy Hardeners & Accelerator, Sinepoxy® Epoxy System

DMP-30 serves as an accelerator for curing agents (polyamide, modified fatty amines, polythiols, cyclic amines).

Chemical Name: :

2,4,6-Tris(dimethylaminomethyl)phenol
Amine value :

610-635 mg KOH/g
Viscosity @25°C :

128 cps

Sinepoxy® CER-622

Cationic Resins & Oxetane Monomers, Other functional epoxy resins, Sinepoxy® Epoxy System

Sinepoxy® CER-622 is a high purity 85% 1,4-butanediol diglycidyl ether,

Chemical Name: :

1,4-Butanediol diglycidyl ether
Cas No. :

2425-79-8
MF: :

C10H18O4
MW: :

202.25
Package :

200kgs/drum

Sinepoxy® CER-4299

Cationic Resins & Oxetane Monomers, Sinepoxy® Epoxy System

Sinepoxy® CER-4299 is a standard cycloaliphatic epoxide resin.

Chemical Name: :

Bis(3,4-epoxycyclohexylmethyl) adipate
Cas No. :

3130-19-6
MF: :

C20H30O6
MW: :

366.45
Package :

200kgs/drum

Sinepoxy® CER-421

Cationic Resins & Oxetane Monomers, Sinepoxy® Epoxy System

Sinepoxy® CER-421 is an Cycloaliphatic Epoxy Resins, equivalent to 2021P, ERL4221, UVR6105, and CY179.

Chemical Name :

3,4-Epoxycyclohexylmethyl 3,4-epoxycyclohexanecarboxylate
Cas No. :

2386-87-0
Content :

90%,95%,97%
Formula :

C14H20O4
Package :

200kg/iron drum

Sinepoxy® CER-315

Cationic Resins & Oxetane Monomers, Sinepoxy® Epoxy System

Sinepoxy®CER-315 is a cycloaliphatic epoxy resin with good electrical insulation, heat resistance and weather resistance. Can replace Daicel CELLOXIDE EHPE3150.

Chemical Name: :

Poly[2-oxiranyl)-1,2-cyclohexanediol]-2-ethyl-2-(hydroxymethyl)-1,3-propanediol ether
Cas No. :

244772-00-7
Epoxy Equivalent,g/mol :

170.0～200.0

Sinepoxy® CER-106

Cationic Resins & Oxetane Monomers, Sinepoxy® Epoxy System

SINEPOXY® CER-106 | High-Performance Oxetane Monomer for Cationic UV-Curable Systems

Chemical Name: :

3-Ethyl-3-[(oxiran-2-ylmethoxy)methyl]oxetane
Cas No. :

15957-34-3
Purity (G.C) :

≥98%

Sinepoxy® CER-101

Cationic Resins & Oxetane Monomers, Sinepoxy® Epoxy System

Sinepoxy® CER-101 is bifunctional compound having both oxetanyl ring and alcoholic -OH.

Chemical Name: :

3-ethyloxetane-3-methanol
Cas No. :

3047-32-3
Content :

98%min
Package :

200kg/iron drum

Sinepoxy® CER-100S

Cationic Resins & Oxetane Monomers, Sinepoxy® Epoxy System

Sinepoxy®CER-100S(3,4-Epoxycyclohexylmethyl methacrylate) is a cycloaliphatic epoxy resin with low viscosity,

Chemical Name: :

3,4-Epoxycyclohexylmethyl methacrylate
Cas No. :

82428-30-6
Content :

95%
Package :

200kg/iron drum

Sinepoxy® CER-100A

Cationic Resins & Oxetane Monomers, Sinepoxy® Epoxy System

Sinepoxy®CER-100A(3,4-Epoxycyclohexylmethyl acrylate) is a cycloaliphatic epoxy resin with low viscosity, good flow.

Chemical Name: :

3,4-Epoxycyclohexylmethyl acrylate
Cas No. :

64630-63-3
Content :

97%Min
Package :

200kg/iron drum

Sinepoxy® CA-MTHPA

Epoxy Hardeners & Accelerator, Sinepoxy® Epoxy System

Sinepoxy® CA-MTHPA is used in epoxy resin curing agents, solvent-free coatings,

Chemical Name: :

Methyltetrahydrophthalic anhydride
Cas No. :

11070-44-3
Viscosity(25℃) mPa.S :

30-50; 50-70

Sinepoxy® CA-DICY

Epoxy Hardeners & Accelerator, Sinepoxy® Epoxy System

Sinepoxy CA-DICY is a one component amine epoxy curing agent which is under ultrafine pulverization and used in thermosetting epoxy resin systems as a latent curing agent.

Chemical Name: :

Dicyandiamide latent Epoxy curing agent
Assay,% :

≥97.5
Appearance :

White powder

Sinepoxy® CA-CYA6328

Epoxy Hardeners & Accelerator, Sinepoxy® Epoxy System

Sinepoxy CA-CYA6328 is an epoxy hardener based on modified cycloapliphatic amine, light color

Chemical Name: :

Cycloaliphatic Amine Epoxy Hardener
Amine Value :

300
Viscosity(25°C@cps) :

250-450

Sinepoxy® BER-128

Other functional epoxy resins, Sinepoxy® Epoxy System

BER-128(E51) is a liquid type standard Epoxy Resin derived from Bisphenol A and Epichlorohydrin.

Chemical Name: :

Bisphenol-A Epoxy Resin
Epoxy equivalent :

184-188 g/mol
Viscosity @25°C :

11,000-14,000 cps

Sinepoxy® CA-PEA6327

Epoxy Hardeners & Accelerator, Sinepoxy® Epoxy System

Sinepoxy CA-PEA6327 is an epoxy hardener based on modified Polyetheramine with Nonyl phenol free , light color, low VOC and fast cure.

Chemical Name: :

Modified Polyetheramine Epoxy Hardener
Amine Value :

290
Viscosity(25°C@cps) :

300-500

Sinomer® PM839

Sinomer® PM839

SINOMER® PM839

WHY CHOOSE SINOCURE?

Related product recommendations

Sinepoxy® AA-160

Sinomer® UVU6203CA-3DE

Sinomer® PETMP

Sinepoxy® YX 4000

Sinepoxy® PER-DF638

Sinepoxy® EPR-510

Sinepoxy® EFM-10

Sinepoxy® DMP-30

Sinepoxy® CER-622

Sinepoxy® CER-4299

Sinepoxy® CER-421

Sinepoxy® CER-315

Sinepoxy® CER-106

Sinepoxy® CER-101

Sinepoxy® CER-100S

Sinepoxy® CER-100A

Sinepoxy® CA-MTHPA

Sinepoxy® CA-DICY

Sinepoxy® CA-CYA6328

Sinepoxy® BER-128

Sinepoxy® CA-PEA6327