Blended PVC Resin (BJ65, BLJ-65)

Product Overview

BJ-65 and BLJ-65 are polyvinyl chloride resins with a particle size of 20-40μm and micro-particles that appear as semi-transparent crystals. When added to resin paste, they play a stabilizing role and help reduce the paste’s viscosity. Highly versatile, these resins offer a range of processing and performance advantages, including improved flowability, stability and defoaming properties, which can help manufacturers achieve better quality and efficiency in their production processes.

Key Features

Ultra-low oil absorption

Zheng Bang’s BJ-65 and BLJ-65 are solid semi-transparent particles that, when added to resin paste, prevent plasticizers from penetrating into their interior. This characteristic is what results in low oil absorption properties, which helps the particles remain stable over time.

Low viscosity

When blended with adhesive resins, BJ-65 and BLJ-65 reduce and stabilize the viscosity of the resin adhesive, and improve its flowability and defoaming. They do not swell with plasticizers, and instead, their non-oil-absorbing nature allows them to create additional space for plasticizers within the paste, resulting in improved flowability.

Low VOC emissions

BLJ-65 is a copolymer of VAM (Vinyl Acetate Monomer) and VCM (Vinyl Chloride Monomer), with a lower gelation temperature compared to BJ-65. This allows for lower baking temperatures during the gelation process, reducing the volatilization of plasticizers and subsequently lowering VOC (Volatile Organic Compounds) emissions in the processing environment.

Used in a variety of manufacturing processes

BJ-65 and BLJ-65 are capable of partially substituting adhesive resin, and are used extensively in the manufacturing of artificial leather, floor coverings, wallpapers, plastic toys, bottle cap liners, automotive chassis coatings and welding coatings for vehicle components.

Industry Uses

Automotive

Construction

Electrical and Electronics

Packaging

Textiles

Applications

Wall Coatings

Waterproofing

Caulks

Sealants

Adhesives

Coatings

Laminates

Cable Insulation

Wire Harnesses

Connectors

Technical Properties

Test Item	Test Method	Unit	BJ-65	BLJ-65
K Value	GB/T 3401		63-68	63-68
Viscosity	GB/T 3401	ml/g	98-115	98-115
Impurity Particles Count	GB/T 9348	pcs	≤20	≤20
Powder Whiteness	160℃, 10min GB/T 15595	%	≥76	≥76
Residual Monomer	GB/T 29874	μg/g	≤30	≤30
Volatile Matter	GB/T 2914	%	≤0.4	≤0.4
Apparent Density	GB/T 20022	g/cm³	≥0.5	≥0.5
Residue on Sieve	150 mesh GB/T21843 200 mesh GB/T21843	%	≤0.5 ≤5.0	≤0.5 ≤5.0
Oil Absorption	GB/T 3400	g/100g	≤13	≤13

Blended PVC Resin (BJ65, BLJ-65)

Product Overview

Key Features

Industry Uses

Applications

Technical Properties

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