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"Chengdu Longcheng Hightech Materials Co., Ltd, abbreviated as Longcheng, was founded in 2009. It is the professional manufacturer and supplier of PVB products, including low-viscosity PVB resin, high-viscosity PVB resin and PVB films. Currently, Longcheng has annual production capacity of PVB resins 6000 tons and PVB films 3000 tons. For resins, Longcheng is specialized in supplying food-grade low-viscosity PVB resin and high-viscosity PVB resin for all kinds of PVB films. Its low-viscosity PVB resin is the best choice for printing inks of food packages and cigarette packages. For films, Longcheng can supply construction PVB films, auto PVB films, and colorful PVB films, with different thickness of 0.38mm, 0.76mm, 1.14mm, 1.52mm, etc.

For seven consecutive years, Longcheng has passed ISO9001 Quality Management System and ISO14001 Environmental Management System certification. Its PVB products has passed REACH and RoHS attestation, which are widely sold to international markets like Germany, Austria, USA, Australia, Korea, India, Malaysia, Rusiia, etc."

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Chengdu Longcheng Hightech Materials Low Viscosity SDL-05B is a PVB resin material in which it consist of 10% of PVB solution.

Chengdu Longcheng Hightech Materials Low Viscosity SDL-05B

Chengdu Longcheng Hightech Materials Low viscosty SDL-28B is a PVB resin material in which it consist of 30% of PVB solution.

Chengdu Longcheng Hightech Materials Low viscosty SDL-28B

Chengdu Longcheng Hightech Materials High viscosity PVB resin appears in white powder which consist 10% of PVB solution.

Chengdu Longcheng Hightech Materials High viscosity PVB resin

Chengdu Longcheng Hightech Materials Low viscosity SMD-01 is a PVB resin material in which it consist of 10% of PVB solution.

Chengdu Longcheng Hightech Materials Low viscosity SMD-01

Chengdu Longcheng Hightech Materials Low viscosity SDL-18B is a PVB resin material in which it consist of 30% of PVB solution.

Chengdu Longcheng Hightech Materials Low viscosity SDL-18B

Chengdu Longcheng Hightech Materials

"Chengdu Longcheng Hightech Materials Co., Ltd, abbreviated as Longcheng, was founded in 2009. It is the professional manufacturer and supplier of PVB products, including low-viscosity PVB resin, high

Longcheng Hightech Materials - PVB Resin - PVB Films - Knowde

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Longcheng Hightech Materials - High viscosity PVB resin - Knowde

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	Value	Units	Test Method / Conditions
Volatile Content	max. 1.5	%	—
Viscosity（20°C, 10%, S)	80 - 130	—	—
Acid Value	max. 0.08	MgKOH/g	—
Hydroxy Content	18 - 22	%	—
Butyral Content	74 - 81	—	—
Bulk Density	0.2 - 0.3	—	—
Melting Value	0.8 - 2.0	g/10min	—
Haze	max. 0.5	%	—
Yellowing Test	Not turning yellow	—	—

Chengdu Longcheng Hightech Materials High viscosity PVB resin

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