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gum rosin ww grade Manufacturers

I have found results from400+products and200+suppliers aboutgum rosin ww grade

Jingdezhen Shengtian Tuyuan Trading Co., Ltdmic-icon
Satisfies 2/2 of your requirements
Ww Grade Gum Rosin Good Quality for Paper Sizing

Ww Grade Gum Rosin Good Quality for Paper Sizing

US$600.00-1,800.00
10 Tons(MOQ)
Sample Available
Factory Price Ww Grade Gum Rosin for Adhesive Production

Factory Price Ww Grade Gum Rosin for Adhesive Production

US$600.00-1,800.00
10 Tons(MOQ)
Sample Available
Factory Price Ww Grade Gum Rosin with Low Price 8050-09-7

Factory Price Ww Grade Gum Rosin with Low Price 8050-09-7

US$600.00-1,800.00
10 Tons(MOQ)
Sample Available
Ww Grade Gum Rosin with Factory Price for Industrial Use

Ww Grade Gum Rosin with Factory Price for Industrial Use

US$600.00-1,800.00
10 Tons(MOQ)
Sample Available
Industrial Grade/Ww Grade Gum Rosin for Synthetic Rubber

Industrial Grade/Ww Grade Gum Rosin for Synthetic Rubber

US$600.00-1,800.00
10 Tons(MOQ)
Sample Available
High Quality Factory Price Ww Grade Gum Rosin

High Quality Factory Price Ww Grade Gum Rosin

US$600.00-1,800.00
10 Tons(MOQ)
Sample Available
Factory Supply Industrial Grade CAS 8050-09-7 Colophony Ww Grade Gum Rosin

Factory Supply Industrial Grade CAS 8050-09-7 Colophony Ww Grade Gum Rosin

US$1,100.00-2,300.00
10 Tons(MOQ)
Sample Available
Good Factory Price Ww Grade Gum Rosin for Adhesive Industry

Good Factory Price Ww Grade Gum Rosin for Adhesive Industry

US$1,100.00-2,300.00
10 Tons(MOQ)
Sample Available
Factory Price Ww Grade Gum Rosin for Art/Crafts

Factory Price Ww Grade Gum Rosin for Art/Crafts

US$600.00-1,800.00
10 Tons(MOQ)
Sample Available
The Factory Supplies High-Quality First-Grade Ww Gum Rosin for Auxiliary Welding

The Factory Supplies High-Quality First-Grade Ww Gum Rosin for Auxiliary Welding

US$1,100.00-2,300.00
20 Tons(MOQ)
Sample Available
Hot Selling Industrial/Natural Gum Rosin Ww Grade for Paper-Making

Hot Selling Industrial/Natural Gum Rosin Ww Grade for Paper-Making

US$600.00-1,800.00
10 Tons(MOQ)
Sample Available
Good Factory Price Ww Grade Gum Rosin 8050-09-7

Good Factory Price Ww Grade Gum Rosin 8050-09-7

US$600.00-1,800.00
10 Tons(MOQ)
Sample Available
Hot Selling Industrial Grade Ww Rosin Yellow Natural Gum Rosin

Hot Selling Industrial Grade Ww Rosin Yellow Natural Gum Rosin

US$600.00-1,800.00
10 Tons(MOQ)
Sample Available
Ww Grade Gum Rosin Softening Point 70-85° C for Premium Crafting Applications

Ww Grade Gum Rosin Softening Point 70-85° C for Premium Crafting Applications

US$535.00-1,800.00
10 Tons(MOQ)
Sample Available
Industrial Grade Gum Rosin for Electronics and Soldering Flux

Industrial Grade Gum Rosin for Electronics and Soldering Flux

US$600.00-1,800.00
10 Tons(MOQ)
Sample Available
First Grade Gum Rosin for Adhesive Industry

First Grade Gum Rosin for Adhesive Industry

US$600.00-1,800.00
10 Tons(MOQ)
Sample Available
Industrial-Grade Gum for Soldering Flux Performance

Industrial-Grade Gum for Soldering Flux Performance

US$600.00-1,800.00
10 Tons(MOQ)
Sample Available
Hebei Rongxintong Industrial Co., Ltd.mic-icon
Satisfies 2/2 of your requirements
Factory Supply Industrial Grade Rosin Ww Grade CAS 8050-09-7 Gum Rosin for Paper/Rubber

Factory Supply Industrial Grade Rosin Ww Grade CAS 8050-09-7 Gum Rosin for Paper/Rubber

US$535.00-1,400.00
1 Ton(MOQ)
Sample Available
Gum Rosin Natural Rosin Ww Grade

Gum Rosin Natural Rosin Ww Grade

US$700.00-1,230.00
1 Ton(MOQ)
Sample Available
Hot Selling Gum Rosin Ww Grade/Wg Grade Gum Rosin Colophony with Facory Price

Hot Selling Gum Rosin Ww Grade/Wg Grade Gum Rosin Colophony with Facory Price

US$535.00-850.00
1 Ton(MOQ)
Sample Available
Top Ww Gum Rosin /Colophony /Colophonium Yellow China Natural Gum Rosin

Top Ww Gum Rosin /Colophony /Colophonium Yellow China Natural Gum Rosin

US$535.00-1,000.00
1 Ton(MOQ)
Sample Available
Good Factory Price Ww Colophony Natural Gum Rosin

Good Factory Price Ww Colophony Natural Gum Rosin

US$535.00-850.00
1 Ton(MOQ)
Sample Available
Light Yellow Top Ww Gum Rosin /Colophony /Colophonium Natural Gum Rosin

Light Yellow Top Ww Gum Rosin /Colophony /Colophonium Natural Gum Rosin

US$535.00-850.00
1 Ton(MOQ)
Sample Available
Ww Grade Farwell CAS8050-09-7 Pinus Massoniana Gum Rosin

Ww Grade Farwell CAS8050-09-7 Pinus Massoniana Gum Rosin

US$1,500.00-2,200.00
1 Ton(MOQ)
Sample Available
Factory Price Ww Grade Gum Rosin for Adhesive Industry

Factory Price Ww Grade Gum Rosin for Adhesive Industry

US$1,500.00-2,200.00
1 Ton(MOQ)
Sample Available
Class a Ww Gum Rosin Resin Colophony Factory Price Supply Top Quality Gum Rosin Ester Rosin

Class a Ww Gum Rosin Resin Colophony Factory Price Supply Top Quality Gum Rosin Ester Rosin

US$1,500.00-2,200.00
1 Ton(MOQ)
Sample Available
Ww Gum Resin Heat Press/Rosin Press Plate Heating Colophony

Ww Gum Resin Heat Press/Rosin Press Plate Heating Colophony

US$535.00-1,200.00
1 Ton(MOQ)
Sample Available
Rosin CAS 8050-09-7 Refined Resin Gum Rosin Pine Ww

Rosin CAS 8050-09-7 Refined Resin Gum Rosin Pine Ww

US$1,500.00-2,200.00
1 Ton(MOQ)
Sample Available
High Quality Gum Rosin /Gum Rosin X/Ww/Wg Grade CAS No. 8050-09-7 for Soap Making

High Quality Gum Rosin /Gum Rosin X/Ww/Wg Grade CAS No. 8050-09-7 for Soap Making

US$1,500.00-2,200.00
1 Ton(MOQ)
Sample Available
High Quality Ww Gum Rosin /Colophony /Colophonium Yellow Natural Gum Rosin

High Quality Ww Gum Rosin /Colophony /Colophonium Yellow Natural Gum Rosin

US$800.00-1,000.00
1 Ton(MOQ)
Sample Available
Industrial Grade Gum Rosin Aq07 for Adhesive Flux Coating

Industrial Grade Gum Rosin Aq07 for Adhesive Flux Coating

US$535.00-1,400.00
1 Ton(MOQ)
Sample Available
High Quality Gum Rosin /Colophony /Colophonium

High Quality Gum Rosin /Colophony /Colophonium

US$1,500.00-2,200.00
1 Ton(MOQ)
Sample Available
High Quality Gum Rosin /Colophony

High Quality Gum Rosin /Colophony

US$800.00-1,000.00
1 Ton(MOQ)
Sample Available

Sourcing guidance for Gum Rosin Ww Grade

What are the key quality indicators for WW (Water White) Grade Gum Rosin?

The primary indicator is the color scale, where WW grade must be pale yellow to near colorless. Other critical technical specifications include a softening point of ≥76°C, an acid value of ≥160 mg KOH/g, and an unsaponifiable matter content of ≤5%. Buyers should also verify the ash content (≤0.02%) and alcohol-insoluble matter (≤0.03%) to ensure high purity for chemical synthesis.

Which industries and usage scenarios typically require WW Grade Gum Rosin?

WW Grade is a premium grade used where color stability and clarity are paramount. Key scenarios include the production of synthetic resins (ester gums), high-end adhesives and sealants, printing inks, and soldering fluxes. It is also widely used in the paper sizing industry and as a tackifier in pressure-sensitive adhesives due to its excellent solubility in organic solvents.

What compliance and safety standards must be met for international trade of Gum Rosin?

Since Gum Rosin is a chemical product derived from pine oleoresin, it must comply with REACH regulations for the EU market. It should have a comprehensive Material Safety Data Sheet (MSDS) or Safety Data Sheet (SDS). For food-contact applications (like chewing gum base or food packaging adhesives), it must meet FDA 21 CFR standards or equivalent local food safety certifications.

How does the origin of the pine resin affect the product quality?

The botanical source (e.g., Pinus massoniana vs. Pinus elliottii) significantly impacts the chemical composition and crystallization tendency. For instance, rosin derived from Pinus massoniana is often preferred for its lower tendency to crystallize, which is vital for stable liquid resin production. Buyers should request the botanical origin from the supplier to ensure compatibility with their specific manufacturing process.

Cross-Border Procurement & Risk Management for Gum Rosin

What are the common risks in purchasing Gum Rosin internationally?

The most significant risk is quality degradation due to oxidation; if exposed to air or high temperatures for too long, the color darkens, losing its WW grade status. Another risk is weight loss (shrinkage) during transit. To mitigate this, ensure the supplier uses multi-layer kraft paper bags or galvanized iron drums and provides a Pre-shipment Inspection (PSI) report from a third party like SGS.

How should I negotiate with suppliers regarding price volatility?

Gum Rosin is a commodity with prices influenced by seasonal tapping cycles and forest yields. It is advisable to negotiate long-term supply contracts with a price indexing formula or purchase in bulk during the peak harvest season (typically summer and autumn) to lock in lower rates. Always verify the validity period of the quotation, as prices can fluctuate weekly.

What are the best practices for shipping and storage to maintain WW Grade quality?

Gum Rosin is thermoplastic and flammable. It should be shipped in cool, ventilated containers away from direct sunlight and heat sources. For long-distance sea freight, specify 'Below Deck' stowage to avoid extreme temperature swings. Upon arrival, store in a dry warehouse at temperatures below 30°C to prevent the rosin blocks from fusing together (blocking).

How can I ensure transaction security when sourcing from China?

Utilize professional B2B platforms like Made-in-China.com, which offer Audit Reports and Gold Member verification for suppliers. Always use Secure Payment services or Letter of Credit (L/C) for large volumes to ensure that payment is only released upon verification of shipping documents and quality compliance.

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