Products

Polyurethane hot melt adhesives

Weldtone has developed a variety of PUR products for touch panel assembly, structural parts assembly and small electronic components assembly in intelligent electronic products. These adhesives offer high bonding strength, fast curing, good light blocking and excellent reliability.

Benefits

Single-component，100% solid content and moisture cure
High initial strength
Good adhesion to a variety of substrates including plastics and metals
Good toughness and excellent performance in impact resistance tests
Excellent thermal stability
Excellent performance in heat-damp tests and thermal shock tests
Good resistance to chemicals

Polyurethane hot melt adhesives Series
Product Name	Appearance	Description	Viscosity（cPs@100°C）	Open Time（min）	Tensile Strength(PC-PC)(MPa)	Hardness	More parameters
3200S	Milky White	High initial strength Superior final strength Bonding various substrates	7,000~11,000	2~4	9.67	D32	Detailed introduction
7038B	Black	Excellent impact resistance Superior final strength Easy to rework	3,000~5,000	5~6	8.00	D28	Detailed introduction
2128F	Milky White	High initial strength Superior final strength Bonding various substrates	6,000~9,000	2~3	7.70	D31	Detailed introduction
7038BR	Black	Fast Curing Superior final strength Easy to rework	7,500~10,500	5	9.40	A66	Detailed introduction
9001	Light Yellow	Good light transmittance Resistance to wet-heat aging Bonding various substrates	2,500~5,500	10	12	D29	Detailed introduction
2303	Light Yellow or Milky White	High bonding strength and impact resistance Long opening time, suitable for bonding various substrates	3,500~6,500	4~5	11.97	D28	Detailed introduction
5354BR	Black	Extremely high bonding strength Good adhesion to plastic and metal substrates Excellent iMPact resistance	4,500~7,500	4	12.56	D31	Detailed introduction
5354R	Light Yellow or Milky White	High initial strength High temperature creep resistance Good adhesion to plastic and metal substrates	4,500~7,500	4	8.11	D31	Detailed introduction
M5300	Matte Black or Dumb Dark Grey	Excellent grey-black matte effect Super high bonding strength to TR90, suitable for all kinds of substrates bonding Excellent oleic acid and sebum resistance	8900	2~4	PC-PC：8.01 PA-PA：10.93	A86	Detailed introduction
TF023	Black	Low viscosity Fast curing Light blocking Designed for LCM edge bonding	1,000~2,000	<2	6.76 (SS-Glass)	D31	Detailed introduction
TF021S-85	Black	Low viscosity Fast curing Light blocking Designed for LCM edge bonding	1,000~2,000	< 3	6.78 (SS-Glass)	D31	Detailed introduction
3280	Milky White	Fast curing Ultra-high initial strength Reworkable Excellent thermal stability Excellent reliability	7,000~10,000	5	8.53	D32	Detailed introduction
32297	Light Yellow /Milky White	Fast curing Ultra-high initial strength No "tailing" problem in dispensing process Excellent thermal stability Excellent reliability	2,000~4,000	<2	8.12	D32	Detailed introduction
7012S-LV-126	Light Yellow /Milky White	Low viscosity Suitable for jetting application High bonding strength Excellent reliability Good adhesion to plastic and metal substrates	2,500~3,500	8~12	9.83	D31	Detailed introduction
7012S-LV	Light Yellow /Milky White	Suitable for jetting application High bonding strength Excellent reliability Good adhesion to plastic and metal substrates	3,500~5,500	4~6	11.53	D32	Detailed introduction
7012S	Light Yellow /Milky White	Fast curing High initial strength Medium open time	7,000~11,000	2~4	8.38	D32	Detailed introduction
5400	Light Yellow /Milky White	Low viscosity Designed for sealing application	2,000 ~4,500	4~6	9.04	D30	Detailed introduction
DP421-1	Black	Low viscosity Fast curing Light blocking Designed for LCM edge bonding（especially for camera round hole）	3,500~6,500	2~4	6.96 (SS-Glass)	D31	Detailed introduction
PGS302B	Black	Excellent reliability Reworkable Good adhesion to plastic and metal substrates Excellent impact resistance	4,000~7,000	5~6	10.55	D30	Detailed introduction
PGS302	Light Yellow /Milky White	Excellent reliability Reworkable Good adhesion to plastic and metal substrates Excellent impact resistance	4,000~7,000	5~6	10.55	D30	Detailed introduction
5300B	Black	High bonding strength Good impact resistance Good adhesion to a variety of substrates	3,500~6,500	4	11.97	D28	Detailed introduction
6036	Light Yellow /Milky White	Superior Fast curing Superior high initial strength	22,000~28,000@120℃	2~3	8.32	D32	Detailed introduction
7128B	Black	Excellent reliability Reworkable Good adhesion to plastics （especially PC substrates ） Designed for ultra-narrow edge bonding	5,000~8,000	4~6	11.35	D31	Detailed introduction
7128	Light Yellow /Milky White	Excellent reliability Reworkable Good adhesion to plastics （especially PC substrates ） Designed for ultra-narrow edge bonding	5,000~8,000	4~6	11.35	D31	Detailed introduction
7025BH	Black	Excellent reliability Reworkable Good adhesion to plastics （especially PA and ABS substrates） Designed for ultra-narrow edge bonding	4,000~7,000	4	11.21	D31	Detailed introduction
7025EH	Light Yellow /Milky White	Excellent reliability Reworkable Good adhesion to plastics （especially PA and ABS substrates） Designed for ultra-narrow edge bonding	4,000~7,000	4	11.21	D31	Detailed introduction
7025BS	黑色	Excellent reliability Reworkable Good adhesion to plastics （especially PA substrates） Designed for ultra-narrow edge bonding	5,000~8,000	4~6	11.35	D31	Detailed introduction
7025ES	Light Yellow /Milky White	Excellent reliability Reworkable Good adhesion to plastics （especially PA substrates ） Designed for ultra-narrow edge bonding	5,000~8,000	4~6	11.35	D31	Detailed introduction
2065B	Black	Excellent reliability Reworkable Good adhesion to plastics Designed for narrow edge bonding	5,500~8,500	4	9.87	D32	Detailed introduction
2065E	Light Yellow /Milky White	Excellent reliability Reworkable Good adhesion to plastics Designed for narrow edge bonding	5,500~8,500	4	9.87	D32	Detailed introduction
6025E	Light Yellow/Milky White	High reliability Easy rework Good adhesion to plastics	3,500~6,500	4	6.65	D31	Detailed introduction
6025B	Black	High reliability Easy rework Good adhesion to plastics	3,500~6,500	4	6.65	D31	Detailed introduction
5300	Light Yellow/Milky White	High bonding strength Excellent bonding strength Good adhesion to a variety of substrates	3,500~6,500	4	11.97	D28	Detailed introduction
7037BH	Black	Excellent impact resistance Soft adhesive film Long open time	7500~10500	6	7.37	A72	Detailed introduction
7035B	Black	Excellent reliability Reworkable Good adhesion to plastics Designed for narrow edge bonding	5000~8000	4	11.43	D29	Detailed introduction
7035E	Light Yellow/Milky White	Excellent reliability Reworkable Good adhesion to plastics Designed for narrow edge bonding	5000~8000	4	11.43	D29	Detailed introduction