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Huitian UV Adhesive Solutions

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UV adhesive for glass bonding

Medical grade UV adhesive

Product Description

Huitian boasts a wide range of innovative products in the UV adhesive field, dedicated to providing customers with comprehensive bonding and curing solutions. These UV adhesives span from general-purpose applications to highly specialized uses, offering exceptional features such as rapid curing, ultra-strong adhesion, outstanding transparency, and superior weather and chemical resistance. Whether it’s for precision assembly in electronics, secure encapsulation of optical components, or sterile bonding in medical devices, Huitian’s UV adhesives deliver reliable and efficient solutions. Moreover, the company places great emphasis on environmental protection and sustainable development, continuously pioneering low-VOC (volatile organic compounds) emitting UV adhesive products to meet the growing market demand for eco-friendly manufacturing. With robust R&D capabilities and extensive industry expertise, Huitian is steadily becoming the trusted choice for an increasing number of industry partners, jointly driving the advancement and wider adoption of UV curing technology.

Product Name	Product Type	Curing conditions	Typical characteristics
3020	Low-reflective lens bonding UV adhesive	UV	It can eliminate the impact of reflected light within the camera module.
3520	UV-curing adhesive for lens tubes	UV	Excellent flexibility; exhibits excellent adhesion to LCP substrates.
3752	Consumer Electronics (Mobile Phones) AA Adhesive	UV + Heat	Black and opaque; low shrinkage (after both light-curing and heat-curing)
3753	Car-mounted camera AA adhesive	UV + Heat	Fast light curing (under 1 W/cm², 365 nm LED in less than 5 seconds); low-temperature thermal curing (85°C / 60 min)
3316	UV adhesive for bonding the voice coil to the diaphragm	UV	Excellent adhesion to the voice coil diaphragm; superb flexibility
3512	UV adhesive for bonding the housing and bracket	UV	It exhibits excellent adhesion to PC, glass, and metal; and can be cured using UV and LED technologies.
3791	UV-curable encapsulant and lead protection adhesive	UV + Heat	UV/Thermal curing; exhibits excellent adhesion to PCB boards and electronic components mounted on them, even at high temperatures.
3701/3703	UV Low CTE Edgebond Adhesive	UV + Heat	UV LED/Thermally Cured; Low CTE; High Tg; High Modulus; Re-workable
3612B	Black UV/Thermally Cured Three-Protective Coating	UV + Heat	Black coating; provides tamper-proof protection for components.
3612E	Low-viscosity UV/Thermally Cured Three-Protective Coating	UV + Heat	Very low viscosity (30 mPas); exhibits excellent surface dryness after LED curing, even under low-light conditions.
3612D	UV Moisture-Curing Three-in-One Coating	UV + Moisture	A three-in-one coating that cures with secondary moisture exposure; offers excellent resistance to chemical corrosion.

Return to the heavens UV Delayed Product Plan
UV Delay Adhesive – 3856 (Straight-Edge Phones / Flip Phones) · Can be dispensed at room temperature with narrow-edge application · No glue overflow · Strong adhesive properties · Refundable
	Test Item		3856
1	Appearance	1	Pale yellow, transparent liquid
2	Viscosity	mPa·s at 25°C	100,000 to 150,000
3	Solidified energy	mJ/cm2	≥1000
4	Fracture strength	MPa	8
5	Elongation at break	%	650
10	30-min Shear Strength AI/G+INK	MPa	2.4
11	24-hour Shear Strength PC/G+INK	MPa	7.2
12	24-hour Shear Strength PBT + GF/G + INK	MPa	6.4
13	24-hour Shear Strength AI/G+INK	MPa	5.8
Note: Substrate surface is untreated.

Return to the heavens UV Silicone Product Solutions

UV Silicone—3631 Series (Whole-Unit Waterproof)

■ 3631M

· UV curing is fast, reducing waiting time.
· Well-made and suitable for both dispensing and spray application.

· Moderate viscosity and thixotropy, capable of build-up without sagging.

· Fill tiny gaps to address poor overall airtightness caused by small spaces.
· To TP Screen and middle frame show no signs of corrosion.

Serial Number	Test Item	3631M	3631H
1	Appearance	Blue	Translucent
2	Viscosity (5 rpm)	9000	8500
3	Thixotropic Index	2.73	1.15
4	UV Curing Depth (395nm, 5000 miles)	6.30	5.50
5	Hardness (A)	30	34
6	Modulus (MPa)	0.88	0.85
7	Elongation at Break (%)	130%	120%
8	Tensile Strength (MPa)	1.21	1.30
9	High-temperature, high-humidity aging (55°C, 95% RH * 500 h, MPa)	1.04	0.97
10	High-Temperature Aging (85°C × 500h, MPa)	1.20	1.03
11	Thermal shock aging (-40— 70°C × 500 cycles, MPa)	0.61	0.82
12	Typical applications	Microscopic gaps, pore filling, and full-device waterproofing
Note: Substrate surface is untreated.

Return to the heavens UV Product Solution

UV Gum—3660GB (Low odor, low allergenic)

■ 366 0GB

· UV+ Moisture- and dual-curing system, capable of shadow curing
· Low odor, free from allergenic and restricted raw materials
· Moderate viscosity and thixotropy, with excellent dispensing processability.
· Excellent electrical insulation properties, resistant to corona discharge and anti-tracking.
· Suitable for TWS Ear Bonding structural components for wearable tech products

Serial Number	Test Item	3660GB
1	Appearance	Black
2	Viscosity (10 rpm)	5000
3	Thixotropic Index	2.15
4	UV Curing Depth (395nm, 5000 miles)	1.25
5	Hardness (D)	55
6	Modulus (MPa)	550
7	Elongation at Break (%)	100%
8	Tensile Strength (MPa)	28
9	Shear Strength (PC/PC, MPa)	18
10	Typical applications	TWS earphone holder, speaker bonding
Note: Substrate surface is untreated.

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