Hot selling bulk Orthoboric acid boric acid with best price CAS 10043-35-3

FOB 참조 가격:최근 가격 확인
US$1.00 - US$5.00 / 킬로그램 | 1.0 킬로그램 (최소.)
지원 익스프레스 · 해상 화물 · 육상 화물 · 항공 화물
개인 맞춤 로고 (Min. Order: 25 킬로그램)
개인 맞춤 포장 (Min. Order: 25 킬로그램)

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CAS 번호:
기타 이름:
Orthoboric 산
H3BO3, H3BO3
원래 장소:
Shandong, China
급료 기준:
농업 학년, 산업 급료, 시약 급료
85%, 85%
화이트 크리스탈 파우더, 화이트 크리스탈 파우더
산업, 산업
유명 상표:
모델 번호:
Orthoboric 산
제품 이름:
Orthoboric 산
분자 무게:
49.5g/L (20 ℃)
169 ℃
25KG 드럼
Orthoboric 산성 컬러:
다른 이름:
Orthoboric 산
공급 능력
공급 능력:
9000 Kilogram/Kilograms per Month
포장 및 배송
패키지 정보
25kg/drum,1kg/bag or according to customer request
qingdao port

Product Description

Properties of Orthoboric acid:
Orthoboric acid, for white powder crystallization or three inclined shaft side flake crystallization, have satiny gloss, no odor. Handle Soluble in water, alcohol, glycerin, ethers and oils, aqueous show weakly acidic.


Orthoboric acid 99.5%
Name Orthoboric acid Specifications  
Item Data Results
(H3BO3)%          Content  ≥ 99.5% 99.6%
Chloride(Cl)%            ≤ 0.15%   ≤ 0.05%
Matters insoluble in water % ≤ 0.06% ≤ 0.01%
Iron(Fe)%          content  ≤ 0.005% ≤ 0.02%
Sulphate:   ≤ 0.30% ≤ 0.1%
Heavy metals (Pb)%        ≤ 0.001% ≤ 0.0001%
NH3%              ≤   ≤ 0.7%   ≤ 0.3%
Na2SO4 % ≤   ≤   0.1
Orthoboric acid 99.8%
Name Orthoboric acid Specification  
Item Data Results
(H 3 BO 3 )%          Content  ≥ 99.8% 99.9%                                     
Chloride(Cl)%   ≤ 0.15%   ≤ 0.05%
Matters insoluble in water % ≤ 0.06% ≤ 0.01%
Iron(Fe)%          content ≤ 0.005% ≤ 0.02%
Sulphate: ≤ 0.30% ≤ 0.1%
Heavy metals (Pb)%    ≤ 0.001% ≤ 0.0001%
NH 3 %              ≤   ≤ 0.7%   ≤ 0.3%

Use of Orthoboric acid:
Widely used for the glass (optical glass, acid glass, heat-resistant glass, insulating material with fiberglass) industry, can improve glass products of heat, transparent performance and improve mechanical strength, shorten dissolve melting time.


1. Any inquiries will be replied within 12 hours.
2. Dedication to quality, supply & service.
3. Strictly on selecting raw materials.
4. OEM/ODM Available.
5. Reasonable & competitive price, fast lead time.
6. Sample is available for your evaluation & Formulation development.
7. Faster delivery:Sample order in stock and 3-7 days for bulk production.
8. We have strong cooperation with DHL, TNT, UPS, FEDEX, EMS. Or you also can choose your own shipping forwarder.
9. After-Sale Service:
(1) International Authorized Third-Party Test For The Products You Demand.
(2) 60 Days Warranty of quality of goods.

Packaging & Shipping




Our Services


Company Information

Qingdao Sigma Chemical Co., a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.

The aim of Qingdao Sigma Chemical Co., Ltd is a quality policy that "Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.





Q1: Are you a manufacturer?
Answer: Yes, we are factory founded on 2002.
Q2: How to contact with us?
Click the Alibaba "Contact Supplier" And then send us message the product you interest in, you will get reply within 24 hours.
Q3:Which kind of payment terms do you accept?
For small order,you can pay by T/T,Western Union or Paypal,nomal order by T/T to our company account
Q4:Can you give me a discount price?
Surely,It depend on your qty
Q5:How can i get a sample?
free samples is available,but freight charges will be at your account and the charges will be return to you or deduct from your order in the future.
Q6: How to confirm the Product Quality before placing orders?
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.
Q7:How do you treat quality complaint?
A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.


Our Team


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