Lencolo 5038 Factory Price of 4, 4′-Bis (diethylamino) Benzophenone, High Purity Photoinitiator, Emk Photoinitiator for UV Resin

• CAS No.: 90-93-7
• Formula: C21h28n2o
• EINECS: 202-025-4
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: Lencolo 5038
• Molecular Principal Chain: Carbon Chain Polymer
• Color: Light Yellow Crystals
• Model No.: Lencolo 5038
• Purity: 99%
• Absorption Peak: 248nm, 374nm
• Technical Support: Guidliine Formula
• Customized Free Samples: Available
• After Sales Service: Supported
• Transport Package: Bag
• Specification: 20kg
• Trademark: Lencolo
• Origin: China Guangdong
• HS Code: 3824909990
• Production Capacity: 50000kg/Year
• Package Size: 58.00cm * 58.00cm * 97.00cm
• Package Gross Weight: 200.000kg

Product Description

Description
CAS#: 90-93-7
Chemical name: 4,4'-Bis(diethylamino) benzophenone
Lencolo 5038 is a new high-efficiency photoinitiator, mainly suitable for UV curing system of acrylic monomers and oligomers. It is mainly used in UV systems such as offset printing, flexo printing, silk screen printing, adhesives, and electronic circuit board inks. This product has a synergistic effect with active amine initiators.

Chemical & physical data

Ingredients	Tetraethyl Michler's Ketone
Molecular formula:	C21H28N2O
Molecular mass	324.5
Appearance:	light yellow crystals
Melting point:	93 - 95 ºC
Purity:	≥99%
Volatile matter:	≤0.5%
Ash	≤0.1%
Absorption peak	248nm, 374nm

Application
Mainly suitable for UV curing system of acrylic monomers and oligomers. It is mainly used in UV systems such as offset printing, flexo printing, silk screen printing, adhesives, and electronic circuit board inks. This product has a synergistic effect with active amine initiators.

Usage method:

Solubility (20 C, g/100g)
Solvent or monomer:	Acetone	Toluene	Ethyl Ester	HDDA	TMPTA	TPGDA
Solubility	≥50	≥50	≥50	≥50	40	43

Addition amount: Film thickness 5-20mm 2-4%, Film thickness 2-200mm 2-6%
Users are advised to conduct experiments to determine the optimal dosage before use.


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FAQ
1) Are you a factory or trading company ?
A: We are a professional factory with over 5 years producing experience.

2) MOQ
A: 1KG

3) How about your payment?
A:30% deposit in advance, 70% balance by T/T, L/C, paypal, Western Union or else before shipment.

4) What about the lead time?
A: Samples around one week, mass production around two weeks. (The specific delivery time would be determined by the ordered products and quantity)

TDS and SAMPLE are avaiable for evaluation, Should you have any question, please feel free to contact us.